Simpson 5/16" Lobular Hex Driver Bit For Quik Drive Systems Stainless Steel Large Diameter Concrete Screws these screws offer the strength

these screws offer the strength you need with the style you want

Durable Construction: Made from high-strength steel with ZMAX corrosion-resistant coating for long-term reliability

zip in 4 SDS 1/4" x 1-1/2" heavy duty screws and you're done installing the tie

Agricultural buildings and metal roof systems

Take the guesswork out of what fasteners you need with our APGP1212 Kit that has the fasteners included to complete your project

Simpson 5/16" Lobular Hex Driver Bit For Quik Drive Systems Stainless Steel Large Diameter Concrete Screws these screws offer the strengthThis driver bit is designed for use with the Quik Drive PROSDX150, PROHX516 and PROSD150 systems. It's designed for driving both the Strong Drive XM Medium Head Metal screw and the Strong Drive Self Drilling X Metal screw.