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 test 45 mm) Tooth Configuration 25 45 mm) Tooth Configuration 25 Precision Pyramid Impact Teeth (5 x 5 Grid) Construction Architecture Monolithic Solid One Piece Forged Construction Tool Metallurgy Drop Forged Heat Treated High Strength Alloy Tool Steel Operating Working Mode Hammer Only Percussion Chipping Mode (Non Rotary) Dust Extraction Compatibility Bosch HDC300 Extraction Shroud (PRO+GUARD™ System) Safety Regulatory Compliance Supports OSHA Table 1 Respirable Silica Standards (with Shroud & HEPA Vac) Target Substrates Cured Concrete Slabs Shock Resistant Brazing: Advanced tri metal system allows carbide tips to withstand extreme impact and high stress applications They are fully compliant for use with ACQ pressure treated lumber and are the definitive choice for coastal environments ensure your air pressure is adjusted so the nail head sits perfectly flush with the siding surface