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SAE FLAT WASHER 1/4 BOLT SZ 9/32 I.D. 5/8 O.D. - AUVECO - Auto Vehicle Parts LLC

Part #: 3986

The AUVECO 3986 SAE Flat Washer is an essential component for professional automotive and industrial fastening applications, designed to provide reliable load distribution and secure connections. Manufactured by AUVECO - Auto Vehicle Parts LLC, this precision-engineered washer helps prevent fastener pull-through, protects surfaces from damage, and ensures a more stable assembly for critical components.

Key Features

  • IFI Standard Compliant: Auveco products, including this flat washer, meet applicable Industrial Fastener Institute (IFI) standards, ensuring consistent quality and performance.
  • Optimal Load Distribution: Designed to effectively distribute the load of a bolted joint over a wider area, reducing stress on mating surfaces and preventing embedding.
  • Precision Sizing: Specifically engineered for 1/4 inch bolts, featuring a 9/32 inch Inner Diameter (I.D.) and a 5/8 inch Outer Diameter (O.D.) for an accurate fit.
  • Durable Construction: Built to withstand the demands of professional automotive and industrial environments, ensuring longevity and reliable service.
  • Surface Protection: Acts as a barrier between the fastener head or nut and the material being joined, protecting against marring and wear during tightening and over time.

Applications

This SAE flat washer is ideally suited for a wide range of fastening tasks in automotive repair, fleet maintenance, manufacturing, and general industrial assembly. It is commonly used to secure components in engines, transmissions, chassis, and various machinery where a stable, protected connection is paramount. Professional technicians rely on these washers for applications requiring robust fastener support and surface integrity.

Specifications

  • Manufacturer: AUVECO - Auto Vehicle Parts LLC
  • Model Number: 3986
  • Bolt Size: 1/4 inch
  • Inner Diameter (I.D.): 9/32 inch
  • Outer Diameter (O.D.): 5/8 inch
Only 5 left in stock - order soon

$6.36

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This product was added to our catalog on Friday 12 June, 2026.

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