{"id":1110,"date":"2026-08-27T06:18:13","date_gmt":"2026-08-27T06:18:13","guid":{"rendered":"https:\/\/www.farm-equipment-parts.com\/?post_type=product&p=1110"},"modified":"2026-08-27T06:18:13","modified_gmt":"2026-08-27T06:18:13","slug":"induction-hardened-helical-rack-with-surface-treatment","status":"publish","type":"product","link":"https:\/\/www.farm-equipment-parts.com\/vi\/san-pham\/induction-hardened-helical-rack-with-surface-treatment\/","title":{"rendered":"Induction Hardened Helical Rack with Surface Treatment"},"content":{"rendered":"

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Industrial Gear Solutions \u00b7 UK Supply<\/p>\n

Induction Hardened Helical Rack<\/h2>\n

DIN8 Grade 7 \u00a0|\u00a0 S45C \u00a0|\u00a0 HRC48\u201352 \u00a0|\u00a0 Helix Angle 19\u00b031’42” \u00a0|\u00a0 Four-Side Ground + Blackening \/ Phosphating<\/p>\n

\u2709 Get a Quote<\/a><\/div>\n<\/div>\n<\/div>\n

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What Is a Helical Rack \u2014 and Why Does It Outperform Spur Alternatives?<\/h2>\n

\"InductionA helical rack<\/strong> is a linear gear component in which the teeth are cut at an angle \u2014 in this case, a precisely controlled helix angle of 19\u00b031’42” \u2014 across the bar’s longitudinal axis. Unlike spur racks, the angled tooth engagement means multiple teeth share the load at any given moment, producing dramatically smoother motion, lower vibration, and higher torque capacity under continuous industrial duty. The result is a component built for demanding environments where precision, repeatability, and structural integrity cannot be compromised.<\/p>\n

Manufactured from S45C medium-carbon steel, every rack in this series undergoes high-frequency induction hardening to achieve a surface hardness of HRC48\u201352, preserving a tough, ductile core beneath a wear-resistant case. The four-side ground finish and optional blackening or phosphating surface treatment deliver dimensional consistency down to DIN8 Grade 7 tolerances \u2014 the benchmark for precision rack-and-pinion systems serving automation, CNC machining centres, gantry robots, and agricultural equipment drive lines across the United Kingdom and beyond.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Request a Quote \u2014 sales@farm-equipment-parts.com<\/a><\/div>\n

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Why Engineers Specify This Helical Rack<\/h2>\n
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\u2699<\/div>\n

DIN8 Grade 7 Precision<\/h3>\n

Four-side grinding ensures tooth pitch accuracy and profile consistency, enabling direct interchangeability with mating pinions. Tight tolerances reduce backlash and improve positional repeatability in servo-driven systems, making it a preferred solution for CNC gantries and automated assembly lines.<\/p>\n<\/div>\n

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\ud83d\udd25<\/div>\n

HRC48\u201352 Surface Hardness<\/h3>\n

Induction hardening creates a hard, wear-resistant case while leaving the core tough and shock-absorbent. The HRC48\u201352 range is the practical sweet spot for rack drives: hard enough to resist abrasive wear under heavy cycle loading, yet less brittle than fully through-hardened stock, extending service life in continuous duty applications.<\/p>\n<\/div>\n

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\ud83d\udcc8<\/div>\n

Low Noise, High Load Capacity<\/h3>\n

The 19\u00b031’42” helix angle ensures progressive tooth engagement \u2014 at least two teeth in contact simultaneously throughout the meshing cycle. This distributes radial and axial forces more evenly than a straight-cut rack, reducing operating noise by a measurable margin and allowing the component to handle higher tangential loads without increased module size.<\/p>\n<\/div>\n

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\ud83d\udd12<\/div>\n

Protective Surface Treatment<\/h3>\n

Blackening (black oxide) or phosphating options are available to suit different environmental demands. Blackening provides mild corrosion resistance and an aesthetically clean finish, while phosphating delivers better oil retention on the tooth surface \u2014 beneficial in partially lubricated or splash-lubricated drive housings. Both treatments help extend component service intervals.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Material, Manufacturing Process & Application Environments<\/h2>\n

S45C Steel \u00b7 Induction Hardening \u00b7 Four-Side Grinding \u00b7 Controlled Helix Geometry<\/p>\n

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Material: S45C Medium-Carbon Steel<\/h3>\n

S45C (equivalent to C45 in EN 10083 or 1045 in AISI\/SAE) is a proven workhorse in precision gear manufacture. With a carbon content of approximately 0.42\u20130.50%, it responds predictably to heat treatment, allowing the surface to be hardened whilst preserving core toughness. The material machines cleanly to tight tolerances before hardening, then accepts grinding without risk of micro-cracking that can afflict higher-alloy steels. Its balanced combination of tensile strength, machinability, and cost efficiency makes it the industry-standard choice for rack production globally.<\/p>\n<\/div>\n

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Manufacturing: From Blank to Ground Finish<\/h3>\n

Each bar begins as a milled and hobbed blank. High-frequency induction hardening then treats the tooth flank and root zone selectively \u2014 achieving HRC48\u201352 at the surface without distorting the underlying geometry. Post-hardening, all four reference faces are precision ground on dedicated surface-grinding equipment, bringing the rack body to DIN8 Grade 7 accuracy. The grinding process simultaneously corrects any residual distortion from heat treatment and establishes the final tooth profile geometry. A blackening or phosphating bath completes the process, providing surface protection and a uniform appearance.<\/p>\n<\/div>\n

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Application Scenarios<\/h3>\n

Induction hardened helical racks are specified across a broad range of industrial sectors. In CNC machining centres and five-axis gantry systems, they form the primary linear drive with servo-pinion drives demanding repeatable sub-millimetre positioning. Automated warehousing and conveyor systems benefit from their noise-reduced operation. In the agricultural machinery sector \u2014 combines, self-propelled sprayers, and precision seeding equipment \u2014 helical racks handle steering column and header positioning loads. UK-based OEMs in materials handling, food processing, and medical device manufacturing also rely on this component class for its cleanable, low-maintenance surface and consistent dynamic performance.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Technical Specifications<\/h2>\n

Pe = Module \u00d7 \u03c0 \/ COS(19\u00b031’42”) \u00a0\u00a0|\u00a0\u00a0 Fp = Total Pitch Error \u00a0\u00a0|\u00a0\u00a0 Dimension Unit: mm<\/p>\n

Precision Grade:<\/strong> DIN8 Grade 7 \u00a0|\u00a0 Material:<\/strong> S45C \u00a0|\u00a0 Tooth Type:<\/strong> Helical \u00a0|\u00a0 Helix Angle (RH):<\/strong> 19\u00b031’42” \u00a0|\u00a0 Hardness:<\/strong> HRC48\u201352 (Induction) \u00a0|\u00a0 Process:<\/strong> Four-Side Ground + Blackening or Phosphating<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Code<\/th>\nModule<\/th>\nPt<\/th>\nL<\/th>\nL2<\/th>\nTooth No.<\/th>\nB<\/th>\nA0<\/th>\nA1<\/th>\nD<\/th>\nI<\/th>\nHole No.<\/th>\nA<\/th>\nC1<\/th>\nC2<\/th>\nE<\/th>\nD1<\/th>\nI1<\/th>\nC3<\/th>\nFp<\/th>\n<\/tr>\n<\/thead>\n
772<\/td>\n010<\/td>\n050<\/td>\n1.5<\/td>\n4.9999<\/td>\n500.00<\/td>\n6<\/td>\n100<\/td>\n17<\/td>\n17<\/td>\n15.5<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n7<\/td>\n6<\/td>\n9.5<\/td>\n7<\/td>\n31.7<\/td>\n436.6<\/td>\n5.7<\/td>\n0.08<\/td>\n<\/tr>\n
772<\/td>\n010<\/td>\n100<\/td>\n1.5<\/td>\n4.9999<\/td>\n1000.00<\/td>\n6<\/td>\n200<\/td>\n17<\/td>\n17<\/td>\n15.5<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n7<\/td>\n6<\/td>\n9.5<\/td>\n7<\/td>\n31.7<\/td>\n936.6<\/td>\n5.7<\/td>\n0.09<\/td>\n<\/tr>\n
772<\/td>\n015<\/td>\n050<\/td>\n1.5<\/td>\n4.9999<\/td>\n500.00<\/td>\n6.74<\/td>\n100<\/td>\n19<\/td>\n19<\/td>\n17.5<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n436.6<\/td>\n5.7<\/td>\n0.08<\/td>\n<\/tr>\n
772<\/td>\n015<\/td>\n100<\/td>\n1.5<\/td>\n4.9999<\/td>\n1000.00<\/td>\n6.74<\/td>\n200<\/td>\n19<\/td>\n19<\/td>\n17.5<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n936.6<\/td>\n5.7<\/td>\n0.09<\/td>\n<\/tr>\n
772<\/td>\n020<\/td>\n050<\/td>\n2<\/td>\n6.6666<\/td>\n500.00<\/td>\n8.5<\/td>\n75<\/td>\n24<\/td>\n24<\/td>\n22<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n436.6<\/td>\n5.7<\/td>\n0.08<\/td>\n<\/tr>\n
772<\/td>\n020<\/td>\n100<\/td>\n2<\/td>\n6.6666<\/td>\n1000.00<\/td>\n8.5<\/td>\n150<\/td>\n24<\/td>\n24<\/td>\n22<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n936.6<\/td>\n5.7<\/td>\n0.09<\/td>\n<\/tr>\n
772<\/td>\n030<\/td>\n050<\/td>\n3<\/td>\n9.9999<\/td>\n500.00<\/td>\n10.3<\/td>\n50<\/td>\n29<\/td>\n29<\/td>\n26<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n9<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n35.0<\/td>\n430.0<\/td>\n7.7<\/td>\n0.088<\/td>\n<\/tr>\n
772<\/td>\n030<\/td>\n100<\/td>\n3<\/td>\n9.9999<\/td>\n1000.00<\/td>\n10.3<\/td>\n100<\/td>\n29<\/td>\n29<\/td>\n26<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n9<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n35.0<\/td>\n930.0<\/td>\n7.7<\/td>\n0.101<\/td>\n<\/tr>\n
772<\/td>\n040<\/td>\n050<\/td>\n4<\/td>\n13.3333<\/td>\n506.67<\/td>\n13.8<\/td>\n38<\/td>\n39<\/td>\n39<\/td>\n35<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n12<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n33.3<\/td>\n433.0<\/td>\n7.7<\/td>\n0.095<\/td>\n<\/tr>\n
772<\/td>\n040<\/td>\n100<\/td>\n4<\/td>\n13.3333<\/td>\n1000.00<\/td>\n13.8<\/td>\n75<\/td>\n39<\/td>\n39<\/td>\n35<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n12<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n33.3<\/td>\n933.4<\/td>\n7.7<\/td>\n0.109<\/td>\n<\/tr>\n
772<\/td>\n050<\/td>\n050<\/td>\n5<\/td>\n16.6666<\/td>\n500.00<\/td>\n17.4<\/td>\n30<\/td>\n49<\/td>\n39<\/td>\n34<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n12<\/td>\n14<\/td>\n20<\/td>\n13<\/td>\n37.5<\/td>\n425.0<\/td>\n11.7<\/td>\n0.095<\/td>\n<\/tr>\n
772<\/td>\n050<\/td>\n100<\/td>\n5<\/td>\n16.6666<\/td>\n1000.00<\/td>\n17.4<\/td>\n60<\/td>\n49<\/td>\n39<\/td>\n34<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n12<\/td>\n14<\/td>\n20<\/td>\n13<\/td>\n37.5<\/td>\n925.0<\/td>\n11.7<\/td>\n0.109<\/td>\n<\/tr>\n
772<\/td>\n060<\/td>\n050<\/td>\n6<\/td>\n19.9999<\/td>\n500.00<\/td>\n20.9<\/td>\n25<\/td>\n59<\/td>\n49<\/td>\n43<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n16<\/td>\n18<\/td>\n26<\/td>\n17<\/td>\n37.5<\/td>\n425.0<\/td>\n15.7<\/td>\n0.095<\/td>\n<\/tr>\n
772<\/td>\n060<\/td>\n100<\/td>\n6<\/td>\n19.9999<\/td>\n1000.00<\/td>\n20.9<\/td>\n50<\/td>\n59<\/td>\n49<\/td>\n43<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n16<\/td>\n18<\/td>\n26<\/td>\n17<\/td>\n37.5<\/td>\n925.0<\/td>\n15.7<\/td>\n0.109<\/td>\n<\/tr>\n
772<\/td>\n080<\/td>\n050<\/td>\n8<\/td>\n26.6667<\/td>\n480.00<\/td>\n28.0<\/td>\n18<\/td>\n79<\/td>\n79<\/td>\n71<\/td>\n60.0<\/td>\n120<\/td>\n4<\/td>\n25<\/td>\n22<\/td>\n33<\/td>\n21<\/td>\n120<\/td>\n240.0<\/td>\n19.7<\/td>\n0.1<\/td>\n<\/tr>\n
772<\/td>\n080<\/td>\n100<\/td>\n8<\/td>\n26.6667<\/td>\n960.00<\/td>\n28.0<\/td>\n36<\/td>\n79<\/td>\n79<\/td>\n71<\/td>\n60.0<\/td>\n120<\/td>\n8<\/td>\n25<\/td>\n22<\/td>\n33<\/td>\n21<\/td>\n120<\/td>\n720.0<\/td>\n19.7<\/td>\n0.11<\/td>\n<\/tr>\n
772<\/td>\n100<\/td>\n100<\/td>\n10<\/td>\n33.3333<\/td>\n1000.00<\/td>\n35.11<\/td>\n30<\/td>\n99<\/td>\n99<\/td>\n89<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n32<\/td>\n33<\/td>\n48<\/td>\n32<\/td>\n125<\/td>\n750.0<\/td>\n19.7<\/td>\n0.12<\/td>\n<\/tr>\n
772<\/td>\n120<\/td>\n100<\/td>\n12<\/td>\n39.9999<\/td>\n1000.00<\/td>\n42.56<\/td>\n25<\/td>\n120<\/td>\n120<\/td>\n108<\/td>\n40<\/td>\n125<\/td>\n8<\/td>\n40<\/td>\n39<\/td>\n58<\/td>\n38<\/td>\n125<\/td>\n750.0<\/td>\n19.7<\/td>\n0.12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* Hole-free variants available \u2014 suffix “N” to model code (e.g. 772010050N). Custom dimensions and materials available on request. All specifications subject to confirmation before order.<\/p>\n

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\"Helical<\/div>\n<\/div>\n

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Customer Success: Real Projects, Real Results<\/h2>\n

Engineering teams across the UK and beyond have integrated our helical racks into production-critical machinery.<\/p>\n

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\ud83c\uddec\ud83c\udde7 UK \u00b7 Automated Warehousing<\/p>\n

A logistics automation integrator in the West Midlands required a helical rack solution for a new 40-metre gantry transfer system handling loads up to 800 kg. After testing our Module 4 rack paired with a servo-driven pinion, the engineering team recorded a positioning repeatability of \u00b10.05 mm over the full travel length. The system ran through a six-month acceptance cycle without requiring re-lubrication or backlash adjustment \u2014 a result that led the client to specify the same rack series across three further installations within 12 months.<\/p>\n

“The dimensional consistency we received was genuinely impressive. We’ve run tens of millions of cycles and the Fp figures still hold within the original tolerance band.”<\/p>\n

\u2014 Head of Mechanical Engineering, West Midlands<\/p>\n<\/div>\n

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\ud83c\udde9\ud83c\uddea Germany \u00b7 CNC Machine Building<\/p>\n

A Stuttgart-based CNC machine builder needed replacement helical racks for a five-axis bridge mill after their previous supplier discontinued the product line. Our Module 3 Grade 7 rack matched all original drawings within tolerance, allowing a drop-in fit with existing pinion sets. Delivery was completed in 18 days from order confirmation \u2014 a timeline that prevented a costly line stoppage. The client subsequently placed a standing order for annual rack refreshment across their service fleet of twelve machines.<\/p>\n

“Hardness uniformity was the deciding factor for us. Surface measurement at incoming inspection confirmed HRC50 consistently across the tooth face length \u2014 exactly as specified.”<\/p>\n

\u2014 Procurement Manager, Stuttgart<\/p>\n<\/div>\n

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\ud83c\udde6\ud83c\uddfa Australia \u00b7 Agricultural Machinery OEM<\/p>\n

An Australian OEM producing self-propelled boom sprayers needed a helical rack for their steering column articulation mechanism that could handle the vibration and dust ingress typical of paddock operation. Our Module 2 rack with phosphating surface treatment was selected for its oil-retention characteristics under intermittent lubrication conditions. Field trials over two full harvest seasons confirmed no measurable wear progression beyond the initial run-in phase. The phosphate coating also provided practical corrosion resistance in the harsh agrochemical spray environment.<\/p>\n

“We were skeptical about running a precision ground rack in field conditions, but the phosphating and the induction-hardened surface held up far better than our previous spur rack solution.”<\/p>\n

\u2014 Design Engineer, Agricultural Equipment OEM, Victoria<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Manufacturing Capability & Custom Orders<\/h2>\n

Our production facility operates dedicated CNC hobbing machines, precision surface grinders, and automated induction hardening lines \u2014 giving us the flexibility to serve both catalogue orders and bespoke engineering requests with equal confidence. The standard range covers modules 1.5 through 12 in lengths up to 1,000 mm, but our engineering team regularly works to drawings supplied by OEM customers who need non-standard lengths, alternative helix angles, modified bore patterns, or different material grades such as SCM440 or 42CrMo4 for higher-stress applications.<\/p>\n

Customisation services include: special lengths beyond 1,000 mm via precision-jointed segments, no-hole variants (suffix “N”), alternative surface treatments (zinc plating, nickel plating), and precision grade upgrades to DIN5 or DIN6 for ultra-precision servo systems. All custom quotations include full dimensional drawings for approval before production, and first-article inspection reports are available on request. UK-based engineering contacts can discuss requirements directly with our technical team, with fast-turnaround prototyping typically achievable within 10\u201315 working days.<\/p>\n

\ud83d\udce7 Get a Quote<\/a><\/p>\n<\/div>\n

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At a Glance: Customisation Options<\/h3>\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nStandard<\/th>\nCustom Capable<\/th>\n<\/tr>\n
Module<\/td>\n1.5\u201312<\/td>\nOn drawing<\/td>\n<\/tr>\n
Length<\/td>\n500 \/ 1000 mm<\/td>\nCustom cuts<\/td>\n<\/tr>\n
Material<\/td>\nS45C<\/td>\nSCM440, 42CrMo4<\/td>\n<\/tr>\n
Precision<\/td>\nDIN8 Gr.7<\/td>\nDIN5 \/ DIN6<\/td>\n<\/tr>\n
Surface<\/td>\nBlack \/ Phos.<\/td>\nZinc \/ Nickel<\/td>\n<\/tr>\n
Holes<\/td>\nYes \/ No (N)<\/td>\nCustom pattern<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

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Supplying Helical Racks to UK Engineers & OEMs<\/h2>\n

UK manufacturing sectors \u2014 from the West Midlands engineering corridor to Scotland’s growing food processing industry \u2014 rely on precision linear drive components that meet exacting European standards. Our helical rack range is specified under DIN8 Grade 7, the same precision benchmark applied to European OEM machinery, making compatibility straightforward for design engineers working to BS\/EN and ISO references. Quotations are provided in GBP, documents comply with UK import requirements, and technical correspondence is handled in English with rapid response times across standard UK business hours.<\/p>\n

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\ud83c\udf0d Global Manufacturer, UK-Ready Supply<\/p>\n

Factory-direct pricing with DDP delivery options to UK mainland addresses. Standard stock items typically ship within 5\u20137 working days; custom orders from 10 working days.<\/p>\n<\/div>\n

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\ud83d\udcc4 Technical Documentation<\/p>\n

Dimensional drawings, material certificates (EN 10204 3.1 on request), and inspection reports available to support UK procurement and quality processes.<\/p>\n<\/div>\n

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\ud83d\udc65 B2B Account Support<\/p>\n

Dedicated account management for UK trade buyers, distributors, and OEM engineering teams. Volume pricing available for annual blanket orders and frame agreements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Frequently Asked Questions<\/h2>\n
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\nWhat is the best induction hardened helical rack supplier for CNC gantry systems in the UK, and what price range should I budget for?+<\/span><\/summary>\n
For CNC gantry applications in the UK, you should look for a supplier offering DIN8 Grade 7 or better, S45C induction-hardened stock with four-side grinding. Factory-direct pricing typically ranges from \u00a318\u2013\u00a385 per 500 mm bar depending on module size and surface treatment. We recommend requesting a formal quote by emailing sales@farm-equipment-parts.com<\/a> with your module, length, and required quantity, as volume pricing can significantly reduce per-unit cost for frame agreements.<\/div>\n<\/details>\n<\/div>\n
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\nHow does a helical rack differ from a spur rack when used in UK automated warehouse conveyor systems?+<\/span><\/summary>\n
The core difference is tooth contact: a spur rack engages one tooth at a time, creating a pulse-like load transfer that generates more vibration and noise \u2014 often noticeable in warehouse environments with regular maintenance inspection requirements. A helical rack, with its angled teeth, maintains two or more teeth in simultaneous contact, producing a smooth, near-continuous load transfer. For conveyor systems handling fragile goods or operating in food-grade environments where cleanliness standards limit lubrication frequency, the quieter, lower-vibration helical rack is typically the preferred specification.<\/div>\n<\/details>\n<\/div>\n
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\nWhich module size of helical rack should I choose for an agricultural machinery steering drive in a UK-built self-propelled sprayer?+<\/span><\/summary>\n
For agricultural steering drives on self-propelled sprayers, Module 2 to Module 3 covers the majority of applications. The selection depends on the peak tangential force at the rack \u2014 calculated from your required steering torque divided by the pinion pitch radius. As a general guide, Module 2 suits lighter articulation loads (under 1,500 N tangential), while Module 3 is appropriate for mid-sized booms up to approximately 3,000 N. For larger machines with heavy front axle loading, Module 4 or 5 may be warranted. We can perform a brief sizing check if you share your load data.<\/div>\n<\/details>\n<\/div>\n
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\nWhere can I get a fast quote for custom-length induction hardened helical racks for an OEM project based in Birmingham or Manchester?+<\/span><\/summary>\n
Email your drawing or specification to sales@farm-equipment-parts.com<\/a> with the subject line referencing your company name, module, and required length. Our team handles UK OEM enquiries with same-business-day acknowledgement. For standard catalogue sizes, indicative pricing is typically returned within 24 hours; custom configurations normally require 2\u20133 working days for full technical review and quotation. DDP delivery to Birmingham and Manchester is available for orders meeting minimum quantity thresholds.<\/div>\n<\/details>\n<\/div>\n
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\nWhen should I specify blackening versus phosphating surface treatment on a helical rack for an industrial application in the UK?+<\/span><\/summary>\n
Choose blackening when your priority is a clean aesthetic finish and mild corrosion resistance in a controlled indoor environment \u2014 typical for CNC machine tool bays or clean-room automation. Phosphating is the better choice when the rack will operate in a partially lubricated or splash-lubrication environment, because the micro-porous phosphate layer retains oil at the tooth surface between lubrication intervals. This is particularly valuable in agricultural or outdoor industrial settings where re-lubrication access is limited and operating conditions introduce dust, moisture, or agrochemical exposure.<\/div>\n<\/details>\n<\/div>\n<\/div>\n

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Related Products<\/h3>\n
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Q&T Straight Rack<\/a><\/p>\n

Quenched and tempered for general power transmission applications. Cost-effective linear drive solution.<\/p>\n

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Precision Ground Straight Rack<\/a><\/p>\n

Four-side ground for ultra-tight positional accuracy in servo-driven linear axes and precision machinery.<\/p>\n

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Ready to specify? Send your drawing, module, length, and required quantity to our team.<\/p>\n

Get a Quote \u2014 sales@farm-equipment-parts.com<\/a><\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Induction hardened helical rack | S45C | HRC48\u201352 | DIN8 Grade 7 | Helix angle 19\u00b031’42” | Four-side ground | Blackening\/phosphating | Module 1.5\u201312 | UK B2B supply<\/p>","protected":false},"featured_media":1106,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[1578],"product_tag":[],"class_list":["post-1110","product","type-product","status-publish","has-post-thumbnail","product_cat-gear-racks","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/product\/1110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/comments?post=1110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/media\/1106"}],"wp:attachment":[{"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/media?parent=1110"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/product_brand?post=1110"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/product_cat?post=1110"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.farm-equipment-parts.com\/vi\/wp-json\/wp\/v2\/product_tag?post=1110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}