LedgerLOK® is the first fastener engineered to attach deck ledger boards to a wooden house structure with no pre-drilling

the anchor locks on walls and ceilings in its grip range for vibration-proof holding

10 x 3 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - Bulk Pail (1500)

8 x 2 1/4 Simpson Self-Drilling Fiber-Cement Screws 410 SS - Carton (1000)

1/2-20 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 9/16-12 Socket Set Screws Cup Point Alloy LedgerLOK® is the first fastener1 2 20 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . L9 High Tensile Strength Hex Cap Screws are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods. Brighton Best manufactures L9 bolting from AISI alloy steels. L9