S-98023A038 1.062" ID x 2" OD ASME B18.21.1 SAE Washers

SAE Washers

1251FA00318 SAE Washers
1251FA00318 SAE Washers

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Part No.
Part No. 1251FA00318
Equivalent to mcmaster :
98023A038

Basic Information

System of Measurement Inch
Washer Type Flat
Washer Designation SAE
Specifications Met ASME B18.21.1

Dimension Parameters

ID 1.062"
OD 2"
Thickness 0.108-0.160"

Material & Strength Parameters

Material Zinc Yellow-Chromate Plated Steel
Hardness Rockwell C38
Fastener Strength Grade/Class Grade 8

Installation & Application Parameters

For Screw Size 1"

Finish & Compliance Parameters

REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional load distribution with 2" outer diameter to prevent surface damage and maintain joint integrity under high stress
  • Superior corrosion resistance through zinc yellow-chromate plating for extended service life in harsh industrial environments
  • High-strength Grade 8 rating ensures reliable performance in demanding applications requiring maximum fastener strength
  • Precision dimensional control with 1.062" inner diameter providing optimal fit for 1" screws while minimizing installation issues
  • Enhanced durability from Rockwell C38 hardness rating that maintains washer integrity under repeated loading cycles
  • Industry-standard compliance with ASME B18.21.1 specifications guarantees consistent quality and interchangeability
  • Regulatory confidence with REACH compliance ensuring environmental responsibility and global market acceptance

Professional Applications & Engineering Value

This Grade 8 SAE flat washer delivers critical engineering solutions for heavy-duty industrial applications where fastener failure is not an option. The zinc yellow-chromate plated steel construction provides superior corrosion protection in demanding environments including manufacturing equipment, construction machinery, and transportation systems. With its Rockwell C38 hardness and precise dimensional tolerances, this washer effectively distributes clamping forces, prevents embedding in soft materials, and maintains bolt preload in high-vibration settings. The 2" OD offers substantial bearing surface while the 1.062" ID ensures proper clearance around 1" fasteners, eliminating installation challenges and reducing assembly time in production environments.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 standards with dimensional specifications including 1.062" inner diameter, 2" outer diameter, and thickness range of 0.108-0.160". The Grade 8 classification confirms high tensile strength requirements while Rockwell C38 hardness ensures material durability. Full compliance with REACH (EC 1907/2006) regulations (06/14/2023, 235 SVHC) demonstrates environmental responsibility and global market acceptability for industrial procurement.

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