[300 BULK] Frame Bolts Flange Black Phospohate 1/2-20 X 1 1/2 High Profile Hex Size: 3/8" x 5-1/2"

Size: 3/8" x 5-1/2"

Head & washer: Flange head with a serrated hex washer to bite into surfaces and resist loosening

Thread Size: M8-1

high-performance fastening for automotive

straightforward tightening sequence for consistent clamping force

[300 BULK] Frame Bolts Flange Black Phospohate 1/2-20 X 1 1/2 High Profile Hex Size: 3/8" x 5-1/2"Frame Bolts Flange Black Phospohate 1 2 20 X 1 1 2 are engineered to provide secure, reliable fastening for frame applications. Featuring a flange head that distributes load and reduces the need for washers, these bolts combine strength with a clean, finished appearance. The black phospohate finish adds mild corrosion resistance and a low gloss look, making them suitable for indoor framing, machinery, and equipment assemblies. The 1 2 20 thread size