INDUSTRY COMPONENT

Locking Screw

A precision locking screw used in optical mounts to secure and adjust optical components with minimal vibration and thermal drift.

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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.

optical mount screw locking fastener precision screw vibration-resistant screw optical component fastener laboratory equipment screw Locking Screw Locking Screw in Computer, Electronic and Optical Product Manufacturing

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.

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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

Interchangeable Parts

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

Buyer Feedback

★★★★☆ 4.7 / 5.0 (34 reviews)

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Locking Screw meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Locking Screw arrived with full certification."

"Great transparency on the Locking Screw components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

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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.

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