Skip to content Skip to navigation menu

Washer, spring, heavy square, plain, GR 4.8, M12.7, Fastbolt.

Brand: Fastbolt
Please sign-in or register to add this product to your shopping cart.


Square spring washers, also referred to as split lock washers, are designed to provide a ductile spacer with vibration resistant properties. It is similar to a split spring washer, in the way that it has a split in the washer to increase flexibility, but instead features a square profile.

Product properties
Brand Fastbolt
Category Square Heavy
Grade 4.8
Material Mild Steel
Series Imperial
Type Square Heavy
Surface Finish Plain
Size (mm) 12.7