7/8-9 x 3 1/2 Flat Socket Cap Screw Alloy

The heavy construction affords efficient drilling in stainless steel and other hard materials

Marine screws are locked in place thanks to their "teeth" (the thread indentations will resist back-out even after prolonged vibration)

1-8 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated

1/2-13 x 7 Simpson Wedge Anchor 304 SS (25)

3/4-10 x 2 1/4 Socket Cap Screw Zinc Square Bugle Coarse Drywall Screws Black Phosphate 7/8-9 x 3 1/2 Flat3 4 10 x 2 1 4 Socket Cap Screw Zinc . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds ASTM A574. Manufactured from heat treated alloy steel, 1960 series.