GRK GRK-16219 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 2-3/4"- 100pk concrete finishing Connector: Grounded

Connector: Grounded

120V motor of the corded electric drill delivers 0-550 rpm to increase torque for drilling and mud mixing

Automatic Pilot Valve Operation

Pneumatic power feed and return allows tool to operate in the harshest conditions

GRK GRK-16219 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 2-3/4"- 100pk concrete finishing Connector: GroundedRSS screws that are 3 1 8 and longer have CEE Threads which enlarge the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily and increases the screws drawing strength. The CEE Thread also reduces the friction on the screw shank which can result in lowering the driving torque and the likelihood of splitting the wood. This is why the RSS screw is an efficient lag screw alternative. Our round head with built in