GRK Fasteners RSS 12231 Structural Screw, 5/16 in Thread, 5-1/8 in L, Washer Head, Star Drive, Steel, 50/PK CAULKING GUNS and protective bird screen to

and protective bird screen to prevent small pests from entering duct

Extra-long handle makes cleaning hard-to-reach areas fast and easy

Model Number: N109-070

radius at 35 PSI

Nothing beats gas for ease of use and temperature control

GRK Fasteners RSS 12231 Structural Screw, 5/16 in Thread, 5-1/8 in L, Washer Head, Star Drive, Steel, 50/PK CAULKING GUNS and protective bird screen toGRK's RSS screw is made of specially hardened steel to provide you with high tensile, torque and shear strength. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks. RSS screws that are 3 1 8 in 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 screw's drawing