S-96870A212 1/4"-20 x 1 1/2" ASME B18.2.1, ASTM F593 Grade 630 High-Strength 17-4 PH Stainless Steel Hex Head Screws

High-Strength 17-4 PH Stainless Steel Hex Head Screws

0249FA00004 High-Strength 17-4 PH Stainless Steel Hex Head Screws
0249FA00004 High-Strength 17-4 PH Stainless Steel Hex Head Screws

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Part No.
Part No. 0249FA00004
Equivalent to mcmaster :
96870A212

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 7/16"
Head Height 5/32"

Dimensions

Length 1 1/2"

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
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 17-4 PH Stainless Steel
Hardness Rockwell C28
Yield Strength 105000 psi
Tensile Strength 130000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.2.1, ASTM F593 Grade 630
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional corrosion resistance from 17-4 PH Stainless Steel, ideal for harsh environments and long-term reliability.
  • Superior mechanical strength with 130,000 psi tensile and 105,000 psi yield strength for demanding, heavy-duty applications.
  • High hardness rating (Rockwell C28) ensures excellent wear resistance and durability under stress.
  • Reliable fastening performance with a fully threaded 1/4"-20 UNC coarse thread and Class 2A fit for secure, vibration-resistant connections.
  • Easy installation and removal using standard tools, thanks to the external hex drive and hex head design.
  • Broad compliance with industry standards, including ASME B18.2.1 and ASTM F593 Grade 630, ensuring quality and interchangeability.
  • Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements.

Professional Applications & Engineering Value

This 17-4 PH Stainless Steel Hex Head Screw is engineered to solve critical challenges in industrial settings where corrosion resistance and high tensile strength are paramount. The fully threaded UNC coarse thread design ensures maximum grip and holding power, reducing the risk of loosening under vibration in machinery, construction, and marine applications. With a Rockwell C28 hardness and 130,000 psi tensile strength, it withstands extreme loads and environmental exposure, minimizing maintenance and replacement costs. The external hex drive and hex head facilitate quick, secure installation with common tools, enhancing efficiency in assembly lines and field service. Ideal for heavy-duty industrial applications, this screw delivers consistent performance where reliability cannot be compromised.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threads (1/4"-20) for reliable engagement, manufactured to ASME B18.2.1 and ASTM F593 Grade 630 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.

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