Kratos 1 3 4 Inch Smooth Shank Hot Dipped Galvanized Coil Nails 15 Degree Wire Weld 0.092 Diameter Siding Fencing Fasteners 6000 Count Bulk Case Auger Bit 375 in (3 8 in Reduced 375 in (3 8 in Reduced Shank) Shank Type Straight Round Reduced Shank Point Angle 135° Split Point (Self Centering) Material Metallurgy Cobalt Alloy High Speed Steel Surface Finish Precision Ground Gold Oxide Flute Format Jobber Length Spiral Flute Package Quantity 6 Drill Bits Material Compatibility Stainless Steel (1) Freud 99 763 Premier Adjustable Rail & Stile Bit (Round Over Bead Profile) Optimize your workflow with the Kratos 1 3 4" x The smooth shank design provides efficient penetration into dense substrates like fiber cement siding and wood lap panels with minimal tool strain