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

5/8-11 x 2 Flat Socket Cap Screw 18-8 (A2) Stainless Steel

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

5 x 130 Hex Cap Screw 8

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

M30-3.50 x 120 Socket Cap Screw 12.9 Alloy Plain DIN 912 1-8 Socket Cap Screws Alloy The third generation of thisM30 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.