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

5/8 x 4 1/2 Hex Lag Screw 18-8 SS

3/4-10 Drop-In Anchor 303 SS (20)

1-8 x 3 1/2 Socket Cap Screw 18-8 (A2) Stainless Steel

1-12 x 4 1/2 Socket Cap Screw Alloy

M24-3.00 x 110 Hex Cap Screw DIN 931 A2 (18-8) Stainless Steel Wall Dog Light Duty Anchors - Combo Hex Screws with a diameter overM24 3. 00 x 110 Hex Cap Screw DIN 931 A2 (18 8) Stainless Steel DIN 931 A2 Hex Cap Screws are manufactured from A2 70 stainless steel per ISO 3506 part 1. These are partially threaded hex cap screws with all dimensions conforming to DIN 931. Designed for use in standard bolting applications where corrosion is of concern.