Screws with a diameter over 1 ½ inches have a hardness rating of HRB 95 - HRC 35

The type 17 tip provides fast starting and resists splitting in hardwood

7/8-9 x 1 1/2 Hex Cap Screw SS 18-8 (A2)

1 1/2-6 x 5 Socket Cap Screw Alloy

The third generation of this patented wall anchor comes with these improvements:

M30-3.50 x 120 Socket Cap Screw 12.9 Alloy Plain DIN 912 1-8 Socket Cap Screws Alloy Screws with a diameter overM30 3. 50 x 120 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.