Description
These GM metric body bolts M6-1.0 x 20 mm hex head SEMS bolts are designed for securing body panels, brackets, and trim components on many GM vehicles. Manufactured to OEM specifications with the correct phosphate finish and captive washer, these bolts provide the proper factory appearance and reliable performance.
The integrated SEMS washer helps distribute load and improve fastening stability, making them ideal for body panel installations, fender mounting, and general automotive hardware replacement.
Product Details
• Size: M6-1.0 x 20 mm
• Head Style: Hex Head SEMS
• Thread Size: M6-1.0
• Length: 20 mm
• Across Flats: 10 mm
• Washer Diameter: 17 mm
• Strength Class: 9.8
• Finish: Phosphate (OEM Style)
• Quantity: 50 Bolts
OEM Reference Numbers
11509816 – GM
11504570 – GM
11514623 – GM
11609540 – Chevy / Pontiac / Buick / GMC / Saturn / Cadillac / Hummer / Oldsmobile
Manufacturer: Auveco
Common Uses
• GM body panel mounting
• Fender and bracket fasteners
• Trim and under-hood components
• Automotive restoration and repair
Why Buy From East Coast Bolts
• Automotive fastener specialists
• OEM-correct hardware
• Trusted by restoration shops and mechanics
• Bulk quantities available for shops
Shipping & Guarantee
Ships from Winchester, VA.
60-day returns accepted.
We won’t screw you, but our fasteners will.™
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