S-91287A309 M8 x 50 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA00128 18-8 Stainless Steel Hex Head Screws
0244FA00128 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA00128
Equivalent to mcmaster :
91287A309

Basic Information

System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 13 mm
Head Height 5.3 mm

Dimensions

Length 50 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
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Not Rated
Tensile Strength 100000 psi

Temperature & Environment

REACH Compliant
Specifications Met ISO 4017, DIN 933
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
  • High tensile strength of 100,000 psi ensures reliable performance in demanding applications
  • Fully threaded design provides maximum grip and uniform clamping force along the entire length
  • Coarse thread with Class 6g tolerance offers easier, faster assembly and reduced risk of cross-threading
  • External hex drive with 13mm head allows for high-torque installation using standard tools
  • Compliance with ISO 4017/DIN 933 standards guarantees dimensional accuracy and interchangeability
  • RoHS 3 and REACH certified meets environmental regulations for safe use in various industries

Professional Applications & Engineering Value

These M8 hex head screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical degradation, making these metric screws ideal for machinery, equipment manufacturing, and outdoor installations. The coarse thread design with 1.25mm pitch ensures rapid installation in various materials while maintaining secure connections. With their fully threaded configuration and 50mm length, these industrial fasteners offer maximum engagement depth and uniform stress distribution, preventing loosening under vibration and thermal cycling conditions common in manufacturing environments.

Specification Summary & Compliance

This M8 x 1.25 x 50mm hex head screw features Class 6g thread fit tolerance according to ISO metric standards, ensuring precise dimensional accuracy and compatibility. Manufactured to ISO 4017/DIN 933 specifications with external hex drive and right-hand thread orientation. Compliant with RoHS 3 (2015/863/EU) with applicable exemptions and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory adherence for industrial use across global markets.

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