S-91287A420 M20 x 80 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA00203 18-8 Stainless Steel Hex Head Screws
0244FA00203 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA00203
Equivalent to mcmaster :
91287A420

Basic Information

System of Measurement Metric

Head Parameters

Head Type Hex
Head Width 30 mm
Head Height 12.5 mm

Dimensions

Length 80 mm

Thread Parameters

Thread Type Metric
Thread Size M20
Thread Pitch 2.5 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
RoHS 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 with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs
  • High tensile strength of 100,000 psi ensures reliable performance in heavy-duty and high-stress applications
  • Fully threaded design provides maximum grip and uniform load distribution along the entire 80mm length
  • Coarse M20 x 2.5mm thread with Class 6g fit enables quick assembly and secure fastening in various materials
  • External hex drive and hex head allow for easy installation and high torque application with standard tools
  • Compliance with ISO 4017/DIN 933 standards guarantees dimensional accuracy and interchangeability in global projects
  • RoHS 3 and REACH compliant for safe, environmentally responsible use in regulated industries

Professional Applications & Engineering Value

This M20 hex head screw is engineered from 18-8 Stainless Steel to deliver exceptional durability and resistance to corrosion, making it ideal for demanding sectors like construction, machinery assembly, and marine equipment. The fully threaded metric coarse thread design ensures rapid installation and robust holding power, while the external hex drive facilitates efficient tightening in confined spaces. With a thread fit of Class 6g, it maintains precise tolerances for vibration-resistant connections, reducing the risk of loosening in dynamic environments. Its compliance with ISO 4017/DIN 933 standards ensures reliability in critical applications, providing long-term value by minimizing downtime and replacement needs.

Specification Summary & Compliance

This screw features a metric M20 x 2.5mm coarse thread with Class 6g thread fit for standard tolerance, fully threaded along an 80mm length. It conforms to ISO 4017 and DIN 933 specifications, ensuring dimensional accuracy and performance consistency. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.

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