Hot-Dip Galvanized nuts are over tapped per ASTM A563

9/16-18 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

Intercorp Strong-Point® hi-low thread drywall screws are designed to attach gypsum board to both wood or steel studs

3/4-16 x 3 Hex Cap Screw SS 316 (A4)

1 1/4 x 8 Ship Auger Wood Bit

M22-2.50 x 40 Socket Cap Screw 12.9 Alloy Plain DIN 912 Hex Washer Head Metal-Panel Screws 316 Stainless Steel Hot-Dip Galvanized nuts are overM22 2. 50 x 40 Socket Cap Screw 12. 9 Alloy Plain DIN 912 . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds DIN 912. Manufactured from heat treated alloy steel, 1960 series.