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3128BF , Grade 8 Alloy Frame Bolts

Indented Hex Flange
Manufactured to IFI-111 & SAE J429 specifications
Tensile Strength: 150,000 psi.
Coarse Thread / Steel Black Phosphate & Oil

Free Manufacture's Certifications Available
Products specifications
Size 5/16-18 x 1 3/4 in
Ctn Qty 1000
Weight Lbs/c 5.00
Thread Types Coarse
Tensile Strength 150000 psi