Structured Manufacturing Data (2026)

Fine-Pitch Lead Screw

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Fine-Pitch Lead Screw used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Fine-Pitch Lead Screw is characterized by the integration of Screw Shaft and Nut. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision mechanical component that converts rotational motion into linear motion with high resolution and accuracy.

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Product Specifications

Technical details and manufacturing context for Fine-Pitch Lead Screw

Definition
A fine-pitch lead screw is a critical component within micro-adjustment mechanisms, designed to provide precise linear positioning through small, controlled rotational inputs. Its fine thread pitch enables minute adjustments, making it essential in applications requiring high precision and minimal backlash.
Working Principle
When the screw rotates, the engaged nut moves linearly along the screw's axis. The fine thread pitch reduces linear travel per revolution, allowing for highly precise positioning control. This is typically driven by a stepper or servo motor in automated systems.
Common Materials
Stainless Steel, Alloy Steel, Bronze (for nuts)
Technical Parameters
  • Lead (linear travel per revolution), typically ranging from 0.5mm to 2mm for fine-pitch applications (mm) Standard Spec
Components / BOM
  • Screw Shaft Part
    Primary threaded component that rotates to create linear motion
    Material: Stainless Steel or Alloy Steel
  • Nut Part
    Engages with screw threads to convert rotational motion to linear movement
    Material: Bronze or Polymer Composite
  • Support Bearings Part
    Provide axial and radial support to minimize deflection and vibration
    Material: Steel with Ceramic or Polymer Balls

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fine-Pitch Lead Screw.

precision fine-pitch lead screw stainless steel lead screw linear motion lead screw machinery equipment lead screw high accuracy lead screw

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Micro-Adjustment Mechanism
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Axial load capacity: 100N to 20kN depending on diameter and material
other spec: Lead accuracy: ±0.005mm per 300mm travel, max linear speed: 1.5m/s, backlash: <0.01mm
temperature: -40°C to 120°C (standard materials), up to 250°C with high-temp alloys
Media Compatibility
✓ Clean dry air environments ✓ Lubricated mechanical systems ✓ Precision positioning equipment
Unsuitable: Abrasive particulate environments without protective seals
Sizing Data Required
  • Required linear force (N)
  • Travel length (mm)
  • Required positioning resolution (mm/revolution)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thread wear and backlash
Cause: Insufficient lubrication leading to metal-on-metal contact, or contamination from abrasive particles causing accelerated wear
Lead screw bending or deformation
Cause: Excessive axial loads beyond design limits, or improper alignment causing uneven stress distribution
Maintenance Indicators
  • Audible grinding or clicking noises during operation
  • Visible metal shavings or discoloration around the screw threads
Engineering Tips
  • Implement regular lubrication schedules with appropriate high-viscosity grease, and install protective bellows to prevent contamination
  • Conduct periodic alignment checks and install load monitoring sensors to prevent overloading beyond design specifications

Compliance & Manufacturing Standards

Reference Standards
ISO 3408: Lead screws - Nominal diameters and pitches ANSI B5.48: Ball and Lead Screws DIN 103: Trapezoidal screw threads - General plan
Manufacturing Precision
  • Lead accuracy: ±0.005 mm per 300 mm
  • Thread profile deviation: ±0.02 mm
Quality Inspection
  • Lead error measurement using laser interferometer
  • Surface roughness verification per ISO 4287

Factories Producing Fine-Pitch Lead Screw

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What are the main advantages of fine-pitch lead screws?

Fine-pitch lead screws provide high resolution and accuracy in converting rotational motion to linear motion, making them ideal for precision applications in machinery manufacturing where tight tolerances are required.

What materials are available for fine-pitch lead screws?

Our fine-pitch lead screws are available in stainless steel and alloy steel for the screw shaft, with bronze options for the nuts to ensure smooth operation and durability in demanding industrial environments.

What components are included in a complete fine-pitch lead screw assembly?

A complete assembly includes the screw shaft, nut, and support bearings. These components work together to provide stable, precise linear motion with minimal backlash and high load capacity.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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