S-93038A158 M8 x 25 mm DIN 551, ISO 4766 Set Screws

Set Screws

0638FA00044 Set Screws
0638FA00044 Set Screws

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

Part No.
Part No. 0638FA00044
Equivalent to mcmaster :
93038A158

Basic Information

System of Measurement Metric

Head Parameters

Head Type Headless

Dimensions

Length 25 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Tip Type Flat
Drive Style Slotted

Material & Strength

Material Brass

Temperature & Environment

RoHS Compliant
Specifications Met DIN 551, ISO 4766
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Corrosion-resistant brass construction ensures long-lasting performance in harsh industrial environments, reducing maintenance costs and downtime.
  • Headless slotted design allows for flush installation in tight spaces, providing a secure and unobtrusive fastening solution.
  • Precise Class 6g thread fit guarantees reliable engagement and consistent clamping force, minimizing the risk of loosening under vibration.
  • M8 x 1.25mm coarse pitch thread enables quick and easy installation, saving time during assembly in high-volume production settings.
  • Flat tip geometry offers superior surface contact for secure positioning of components, preventing slippage in precision applications.
  • Compliance with DIN 551 and ISO 4766 standards ensures interchangeability and reliability, meeting rigorous engineering specifications.
  • RoHS 3 compliance supports environmental regulations and safe use in various industries, enhancing your product's marketability.

Professional Applications & Engineering Value

This M8 brass set screw is engineered to address common industrial challenges, such as corrosion and vibration-induced loosening. Made from durable brass material, it resists oxidation and galvanic corrosion, making it ideal for electrical components, marine equipment, and machinery exposed to moisture. The headless slotted design with a flat tip ensures minimal protrusion, allowing for secure fastening in confined assemblies like motor shafts or precision instruments. With a coarse pitch metric thread and Class 6g thread fit, it provides quick installation and reliable holding power, reducing assembly time and maintenance needs in industrial applications. Certified to DIN 551 and ISO 4766 standards, this screw delivers consistent performance for engineers seeking dependable fastening solutions.

Specification Summary & Compliance

This set screw features an M8 thread size with a 1.25 mm pitch and Class 6g thread fit for precise dimensional accuracy according to metric standards. It complies with DIN 551 (equivalent to ISO 4766) manufacturing specifications and is RoHS 3 (2015/863/EU) compliant with exemption 6(c) for lead in copper alloys, ensuring adherence to environmental and safety regulations.

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