SCREWS Material: 12L14, 12L15, 12L13, SUM24L, SUS303, S416 of, S430F, S316 6061-T6 Model: hexagonal, slender shaft, shaped pieces, handleMaterial: 12L14, 12L15, 12L13, SUM24L, SUS303, S416 of, S430F, S316 6061-T6Thread type: M1.0-M10,4-40,6-32,8-32,10-32, 1/4-20,2-56,3-48, 3/8-16Finish: electroless nickel, bright nickel, trivalent blue zinc, color zinc, black zinc, black fade, black anodized, ...