S-93501A038 1.063" ID x 1.496" OD Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

1325FA00071 Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws
1325FA00071 Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

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

Part No.
Part No. 1325FA00071
Equivalent to mcmaster :
93501A038

Basic Information

System of Measurement Inch and Metric
Washer Type Spring Lock

Dimension Parameters

ID 1.063"
OD 1.496"
Thickness 0.079"
Overall Height 0.122"

Material & Strength Parameters

Material Steel
Hardness Rockwell C40

Installation & Application Parameters

For Screw Size 1", M25

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2023, 233 SVHC) Compliant

Special Type Parameters

Serration Location Top and Bottom
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 vibration resistance through spring lock design that maintains constant tension under dynamic loads
  • Enhanced locking security with dual serration on both top and bottom surfaces preventing rotational slippage
  • Durable performance ensured by steel construction with Rockwell C40 hardness for long service life
  • Versatile compatibility with both inch (1") and metric (M25) screw systems in mixed-equipment environments
  • Reliable industrial compliance meeting RoHS 3 and REACH standards for safe, regulated applications
  • Optimal load distribution through precise 1.496" OD design that minimizes surface damage
  • Secure fastening maintenance with 0.122" overall height providing consistent pressure in confined spaces

Professional Applications & Engineering Value

This spring lock washer addresses critical vibration-induced loosening in heavy machinery, automotive assemblies, and structural steel connections. The dual serration pattern on both surfaces creates multiple biting points that resist rotational forces more effectively than single-sided alternatives. Manufactured from hardened steel with Rockwell C40 rating, it maintains structural integrity under repeated stress cycles while the 1.063" ID ensures precise fitment for both 1" and M25 screw applications. The combination of spring tension and surface serration provides dual-phase locking action, making it ideal for equipment subjected to constant vibration, thermal cycling, or dynamic loading where fastener integrity is paramount to operational safety.

Specification Summary & Compliance

This washer features precise dimensional specifications with 1.063" inner diameter, 1.496" outer diameter, and 0.122" overall height. The steel construction meets industrial hardness standards at Rockwell C40, while the dual serration design follows established locking washer engineering principles. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial procurement across global markets.

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