S-92432A458 1/4"-20 x 1" Set Screws

Set Screws

0681FA00004 Set Screws
0681FA00004 Set Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0681FA00004
Equivalent to mcmaster :
92432A458

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A

Tip & Drive Parameters

Tip Type Swivel
Swivel Tip Type Permanent
Tip Length 0.156"
Tip Diameter 0.185"
Tip Material Alloy Steel
Drive Style Hex
Drive Size 1/8"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C45

Temperature & Environment

Maximum Swivel Angle 7.5°
REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced Grip and Alignment: Permanent swivel tip with a 7.5° maximum angle ensures secure, even contact on curved or uneven surfaces, reducing component slippage and misalignment.
  • Superior Corrosion Resistance: Black-oxide finish on alloy steel provides durable protection against rust and wear, extending service life in harsh industrial environments.
  • High-Strength Fastening: Rockwell C45 hardness and alloy steel construction deliver reliable clamping force and resistance to vibration loosening in heavy-duty applications.
  • Efficient Installation and Removal: Hex drive (1/8") and headless design allow for easy access in tight spaces and quick tool engagement, speeding up assembly processes.
  • Precision Thread Fit: UNC coarse threads with Class 2A tolerance ensure smooth engagement and consistent performance, minimizing the risk of cross-threading.
  • Regulatory Compliance: Meets RoHS 3 and REACH standards, supporting safe and environmentally responsible manufacturing practices.
  • Versatile Right-Hand Threading: Standard right-hand, coarse threads provide broad compatibility with common industrial components and fast assembly.

Professional Applications & Engineering Value

This black-oxide alloy steel set screw is engineered to address common industrial challenges such as component shifting and vibration-induced failure. The permanent swivel tip adapts to irregular surfaces, distributing pressure evenly to prevent damage and maintain precise positioning in machinery, automotive, and assembly fixtures. With a Rockwell C45 hardness and UNC coarse threads, it offers high tensile strength and reliable performance under dynamic loads. The hex drive design facilitates quick installation in confined areas, reducing downtime. Ideal for securing pulleys, gears, and collars, this screw ensures long-term durability and compliance with RoHS and REACH standards, making it a trusted choice for engineers seeking corrosion-resistant, high-strength fastening solutions.

Specification Summary & Compliance

This set screw features a 1/4"-20 UNC coarse thread with Class 2A tolerance for precise fit and easy assembly. It is manufactured from alloy steel with a black-oxide surface treatment and meets industry standards including RoHS 3 (2015/863/EU) with exemption 6(a)-I and REACH (EC 1907/2006) compliance, ensuring environmental and safety adherence in industrial applications.

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