GRK GRK-16231 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 5-1/8"- 50pk D0770FA Compact design

Compact design

Dimensions (LxWxH) / weight: 26" x 19" x 68" / 210 lbs

Integrated pilot hole

using the built-in video camera with 4x zoom function

GRK GRK-16231 - RSS™ BLACK STRUCTURAL SCREW 5/16" X 5-1/8"- 50pk D0770FA Compact designRSS 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