3/8 Medium Split Lock Washer Black Zinc and Bake M5-0.8 while the 9/16-inch inner diameter

while the 9/16-inch inner diameter accommodates a variety of bolt or screw sizes

it features a ribbed neck that provides additional grip and prevents the bolt from loosening over time

It meets the specifications of IFI-111 2002 and is designed for use in a variety of applications

The yellow zinc coating provides excellent corrosion protection

The 3/8-24 x 2 1/2 Hex Cap Screw Grade 5 Zinc is a high-quality fastener designed for a variety of applications

3/8 Medium Split Lock Washer Black Zinc and Bake M5-0.8 while the 9/16-inch inner diameterThese 3 8" medium split lock washers are made of black zinc and bake, providing excellent corrosion resistance and durability. They are designed to prevent nuts and bolts from loosening due to vibration or movement. The split design allows for easy installation and removal, and the medium size is suitable for a wide range of applications. These lock washers are commonly used in automotive, construction, and industrial settings.