INDUSTRY COMPONENT

Lead Screw

A precision mechanical component that converts rotational motion into linear motion in industrial machinery.

Component Specifications

Definition
A lead screw is a threaded rod that engages with a nut to translate rotational movement into precise linear displacement. In adjustment mechanisms, it provides controlled positioning through the mechanical advantage of its thread geometry, enabling accurate adjustments in industrial equipment.
Working Principle
Works on the screw principle: when the screw rotates, the engaged nut moves linearly along the thread axis. The linear displacement per revolution is determined by the lead (distance the nut advances per screw revolution). In adjustment mechanisms, this allows precise control of position through controlled rotation.
Materials
Typically made from alloy steels (AISI 4140, 4340), stainless steels (304, 316), or hardened steels for wear resistance. Nuts often use bronze, brass, or polymer composites for reduced friction.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Lead1-20 mm
Diameter6-100 mm
Thread TypeTrapezoidal, ACME, Ball Screw
Load CapacityUp to 50 kN
Maximum SpeedUp to 2 m/s
Accuracy GradeC3-C10

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 2901, ISO 3408, DIN 103, DIN 69051

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Backlash accumulation
  • Wear and thread degradation
  • Lubrication failure
  • Misalignment causing binding
  • Overload leading to thread deformation
FMEA Triads
Trigger: Inadequate lubrication
Failure: Increased friction, wear, and potential seizure
Mitigation: Implement regular lubrication schedule, use appropriate lubricants, install automatic lubrication systems
Trigger: Misalignment during installation
Failure: Uneven wear, binding, reduced accuracy
Mitigation: Use precision alignment tools during installation, implement regular alignment checks, use flexible couplings

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.05 mm per 300 mm travel for precision grades
Test Method
ISO 3408 for accuracy testing, DIN 69051 for geometric testing, load testing per manufacturer specifications

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Lead Screw

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

SENLISWELD
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Lead Screw Rotator”
View source page ↗ senlisweld.com · recorded 2026-08-26
ALM Intelligent Technology Suzhou Co.,Limited
Suzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “[Lead Screw]”
View source page ↗ autolinearmotion.com · recorded 2026-09-07
Changzhou Jkongmotor Co., Ltd.
Changzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “T Lead Screw Linear Servo”
View source page ↗ jkongmotor.com · recorded 2026-08-29
CSK Motions Technology Co, Ltd.
Jinan, Shandong, CN
Also makes: Linear Guides, Torque Motor, Linear Motor and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “DFD Lead Screw”
View source page ↗ cskmotions.com · recorded 2026-09-05
Hebei Gangxin Technology Co.,Ltd
Shijiazhuang, Hebei, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Lead Screw”
View source page ↗ steelprocessing.cn · recorded 2026-09-11
JIYUAN ZHONGFU MACHINERY MANUFACTURING CO.,LTD.
Luoyang, Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Equipment lead screw”
View source page ↗ shaftforging.cn · recorded 2026-10-11
JLCMC
Taiwan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Lead Screw Products”
View source page ↗ jlcmc.com · recorded 2026-09-07
Nanjing Jiangning Shuntai Precision Machinery Factory
Nanjing, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “lead screw support”
View source page ↗ nanjingshuntai.com · recorded 2026-09-13
Precimach
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Custom Lead Screw”
View source page ↗ precimach.com · recorded 2026-09-14
SCREWTECH
Suzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Lead Screw”
View source page ↗ screw-tech.com · recorded 2026-09-09
Shantou Upi Metal Products Co., Ltd.
Shantou, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Lead Screw & Lead Nut”
View source page ↗ upimetal.com · recorded 2026-09-08
Smooth Motor
Ningbo, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Lead Screws”
View source page ↗ smoothmotor.com · recorded 2026-09-17

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Frequently Asked Questions

What is the difference between lead screw and ball screw?

Lead screws use sliding contact between threads and nut, suitable for lower speeds and higher loads. Ball screws use recirculating balls for rolling contact, offering higher efficiency and speed but typically at higher cost.

How do I select the right lead screw for an adjustment mechanism?

Consider load requirements, required precision (lead accuracy), speed, duty cycle, environmental conditions, and backlash tolerance. Match material to application stresses and corrosion requirements.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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