Lag screws longer than 12 inches will have a minimum thread length of 50% of the screw length up to a maximum of 8 inches

engineered washer and LOK-Nut

9/16-12 x 2 1/4 Socket Cap Screw Alloy

1/2-13 x 10 Grade 5 Hex Cap Screw Zinc Plated

1-8 x 13 Socket Cap Screw Alloy

5/8-11 x 5 Socket Set Screw Cup Point Alloy SNAPTOGGLE Heavy Duty Toggle Bolts Lag screws longer than 125 8 11 x 5 Socket Set Screw Cup Point Alloy . A headless screw threaded the entire length. It has a hexagonal drive at one end and a cup shaped indentation at the other end. The cup point is the most used style set screw. Designed for fast, permanent and semi permanent location of parts on shafts with hardness differential of 10 15 Rockwell C points and where cutting in of cup edge on the shaft is acceptable. Hardness: Rockwell C45 53.