5/8-11 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated

7/8-9 x 1 1/4 Socket Cap Screw Alloy

you protect your surfaces from enduring sudden failures or breakages while promoting long-term durability

Hardness for plain and zinc plated washers is HRC 38-45 and HRC 26-45 for hot-dip galvanized washers per ASTM F436

#5 Heavy Duty Drill Bit - Stubby Length

1/2-20 x 4 Socket Cap Screw Alloy Titen HD® Heavy Duty Screw Anchors Mechanically Galvanized 5/8-11 x 7 Grade 81 2 20 x 4 Socket Cap Screw Alloy . 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.