New factory GM U-Nuts (body clips).
Direct replacement for GM Part# 11500660.
Sold as a set of (15).
These are the EXACT body clips that GM used on the assembly line, not generic hardware.
Fastener Specifications:
Thread: M8-1.25 (Metric)
Panel Range: .08 mm - 4 mm
Center of hole to edge: 14.5 mm
Finish: Black Phosphate
These are commonly paired with 13 mm head bolts. You will find them under the hood, inside of the doors, radiator support, inner/outer fenders, dash, etc.
DISCLAIMER: These are largely used on GM 1978+ cars and 1988+ full size trucks. Most, but not all, converted to both metric and standard in 1978 and full metric in 1981. Please double check your application prior to your purchase to avoid unwanted return shipping charges.