![GRK Fasteners RT Series 15105 Screw, #9 Thread, 3-1/8 in L, Reverse Thread, Trim Head, Star Drive, Steel, 1900 BX [SKU: ORG2533719]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/600x600/products/73987/72308/2533719__83638.1692630925.jpg?c=1 "GRK Fasteners RT Series 15105 Screw, #9 Thread, 3-1/8 in L, Reverse Thread, Trim Head, Star Drive, Steel, 1900 BX [SKU: ORG2533719]")
![GRK Fasteners RT Series 15105 Screw, #9 Thread, 3-1/8 in L, Reverse Thread, Trim Head, Star Drive, Steel, 1900 BX [SKU: ORG2533719]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/73987/72308/2533719__83638.1692630925.jpg?c=1 "GRK Fasteners RT Series 15105 Screw, #9 Thread, 3-1/8 in L, Reverse Thread, Trim Head, Star Drive, Steel, 1900 BX [SKU: ORG2533719]")
Product Overview
Reverse thread design prevents mushrooming to create an even surface, Trim head provides a clean finished look, Zip-Tip allows for one step installation with no pre-drilling, Star drive eliminates stripping for improved productivity, Climatek coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact, Case hardened steel for high tensile, torque and shear strength, W-Cut low torque, faster drive. [QTY/UOM: 19 / 1PK]
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