Simpson Strong-Drive® SDS HEAVY-DUTY CONNECTOR Screw Primesource 5 mil thick

5 mil thick

Contoured Hand Wood Handle

Deep finger grooves for secure fit

The 400A is engineered to last

requires less effort to drill

Simpson Strong-Drive® SDS HEAVY-DUTY CONNECTOR Screw Primesource 5 mil thickThe Simpson Strong Tie Strong Drive SDS Heavy Duty Connector screw is a 0. 250" diameter high strength structural wood screw ideal for various connector installations as well as wood to wood and engineered wood applications. It installs with no predrilling and has been extensively tested in various applications. The SDS is improved with an easy driving Type 17 point and a corrosion resistant double barrier coating. The SDS Strong Drive 1 4" wood screw