GRK GRK-16225 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 4"- 100pk extrac high speed delivers max run-time

high speed delivers max run-time & flow rate

400 lm of TRUEVIEW™ high definition output

fasten and connect on one system

Reciprocating saw blades engineered for wood cutting in framing

Screwdriver works on most combination head receptacle

GRK GRK-16225 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 4"- 100pk extrac high speed delivers max run-timeRSS 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