50 Pack of 3/8″-16 Grade 8 Hex Nuts Heavy Duty SAE J995 0.375″

Standard 3/8″-16 Coarse Thread: Fits common coarse-thread bolts used in automotive and structural work. SAE J995 Material and Physical Properties. ASTM F812 Surface Discontinuities. HRC 24/32. SAE Grade 8 Alloy Steel: High-strength construction for demanding general fastening.

25 Pack of 3/8″-16 Grade 8 Hex Nuts Heavy Duty SAE J995 0.375″

Standard 3/8″-16 Coarse Thread: Fits common coarse-thread bolts used in automotive and structural work. SAE J995 Material and Physical Properties. ASTM F812 Surface Discontinuities. HRC 24/32. SAE Grade 8 Alloy Steel: High-strength construction for demanding general fastening.

Nylon Insert Lock Nuts Zinc-Yellow Grade 8, 1/4-20 1/4-28 5/16-18 3/8-16 7/16-14

Grade 8 Zinc-Yellow Nylon Insert Locknuts. These are Grade 8, Heavy-Duty nuts perfect for use with our Grade 8 Hex Bolts and washers. Link to all of our matching Yellow Zinc fasteners Type: Nylon Insert Hex Lock NutsSystem of Measurement: Standard (Inch / U.S.)Material: Grade 8 / Nut Grade C, Alloy Steel – HEAVY DUTY! Exterior Finish: Zinc-Yellow Bake, CR+6Specifications : ASME B18.16.6