[100 PKG] Medium Split Lock Washers Thru Hardened Carbon Steel Made in USA 3/8 Secure Checkout

Secure, vibration-resistant fastener assemblies with our Medium Split Lock Washers. Made in the USA from thru-hardened carbon steel, these washers are designed to complement 3/8″ fasteners, delivering reliable locking action and long-lasting durability in demanding applications.

Key Features

Type: Medium Split Lock Washer

Material: Thru-hardened carbon steel

Size compatibility: Fits 3/8″ fasteners (bolts and nuts)

Origin: Made in USA

Purpose: Provides locking action to resist loosening from vibration and movement

Specifications

Material: Thru-hardened carbon steel

Size: 3/8″

Country of origin: Made in USA

Applications

Ideal for automotive, machinery, equipment assembly, and general hardware projects where a secure, vibration-resistant connection is required. Use these washers with 3/8″ fasteners to maintain tight joints in assemblies exposed to movement, impact, or dynamic loads.

Why choose these washers? Built from thru-hardened carbon steel, they offer enhanced strength and durability for demanding environments, while the medium split design ensures reliable locking without compromising assembly ease. Support your most important hardware with American-made quality.