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Locking Screw Component – Computer, Electronic and Optical Product Manufacturing

Component Specifications

Definition

A specialized fastener designed for optical mounting systems, featuring fine threads, precise torque control, and anti-loosening mechanisms to maintain optical alignment under varying environmental conditions. It ensures stable positioning of lenses, mirrors, and other optical elements in scientific, industrial, and research applications.

Working Principle

Works by applying controlled clamping force through threaded engagement, creating friction and mechanical interference that prevents movement. Many designs incorporate locking features like nylon inserts, thread-locking compounds, or split-ring mechanisms to resist vibration-induced loosening.

Materials

Typically stainless steel (e.g., AISI 304, 316 for corrosion resistance), aluminum alloys (e.g., 6061-T6 for lightweight applications), or titanium for high strength-to-weight ratios. May include non-metallic elements like nylon for locking features.

Technical Parameters

Drive Type Hex socket, Torx, or slotted
Head Style Socket head cap, flat head, or knurled thumb screw
Thread Type Metric fine (e.g., M4x0.5, M6x0.75) or UNC/UNF
Length Range 5mm to 30mm
Surface Finish Passivated, anodized, or black oxide coated
Torque Specification 0.5 Nm to 5 Nm depending on size/material

Standards

ISO 4762, DIN 912, ISO 4026

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Locking Screw.

Parent Products

This component is used in the following industrial products

Optical Mount

A precision mechanical component designed to securely hold, position, and align optical elements within a beam modulator system.

View Product Details

Engineering Analysis

Risks & Mitigation

Over-torquing can damage optical components
Material incompatibility may cause galvanic corrosion
Inadequate locking may lead to alignment drift under vibration

FMEA Triads

Trigger: Insufficient torque application
Failure: Component loosening during operation
Mitigation: Use calibrated torque tools and follow manufacturer specifications

Trigger: Vibration in operational environment
Failure: Gradual loosening over time
Mitigation: Select screws with mechanical locking features (e.g., nylon insert) or apply thread-locking compound

Trigger: Thermal cycling
Failure: Loss of clamping force due to differential expansion
Mitigation: Choose materials with similar thermal expansion coefficients to mounted components

Industrial Ecosystem

Compatible With

Optical breadboards, lens mounts, mirror mounts, kinematic platforms, optical tables

Interchangeable Parts

Thorlabs, Newport, Edmund Optics, Standa, OptoSigma

Compliance & Inspection

Tolerance

Thread tolerance typically 6g per ISO 965-1, length tolerance ±0.1mm

Test Method

Torque-to-failure testing, vibration testing per MIL-STD-810, thermal cycling tests

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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 distinguishes a locking screw for optical mounts from standard screws?

Optical locking screws have finer threads for precise adjustment, specialized locking mechanisms to prevent vibration-induced loosening, and are made from materials with low thermal expansion to maintain alignment under temperature changes.

How do I select the right locking screw for an optical mount?

Consider thread compatibility with the mount, required torque for secure clamping without damaging components, material compatibility with the optical environment (e.g., non-magnetic, corrosion-resistant), and any locking features needed for vibration-prone applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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.

Locking Screw