GRK GRK-16219 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 2-3/4"- 100pk concrete finishing Designed to resist breakage when

Designed to resist breakage when striking rebar

Automatic Pilot Valve Operation

The included cord wrap provides convienience and easy storage on the jobsite or in the garage

Sight line for increased visibility and control in precision cutting

GRK GRK-16219 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 2-3/4"- 100pk concrete finishing Designed to resist breakage whenRSS 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