Replaces GM Part# 407217 and 1564180.
Sold as a set of (10).
These are the EXACT bolts that GM used all over your car/truck, not generic hardware.
Fastener Specifications:
Grade: 9.8
Thread: 3/8" - 16 (standard)
Length: 1 1/2"
Head: 9/16" Indented Hex Head with 1 1/8" Outside Diameter Loose Washer
Finish: Black Phosphate
The most common place these are used is on the front and rear bumpers. Depending on your vehicle, they are also widely used on other body panels, hood hinges, under the hood, chassis and the interior. However, based on your application, the use for these bolts may vary.