Description Features: Suitable for wood, drywall, and similar hardness materials Sharpenable high-quality HSS steel blades Includes self-tapping center bit for wood and awl-type tip for drywall One bit covers all diameters from 30 to 120 mm High precision tool when used with stationary drilling machines, meets fine woodworking tolerances and surface finish standards Drill from both sides for holes up to 50 mm thick material Specifications: Material thickness: 1-25 mm (up to 50 mm drilling from both sides) Drilling diameter: 30-120 mm Recommended speed: under 1500 RPM Center bit diameters: wood – 8 mm, drywall – 5 mm Dimensions: 210 x 160 x 20 mm Weight: 310 g Usage Tips: Use with hand drills or stationary drilling machines. Secure workpiece firmly When using self-tapping bit, hold tool with both hands and keep perpendicular Sharpening: Use water sharpening stones (#1000 grit is sufficient) or Tormek sharpening system. Japanese Water Stones Tormek Sharpening System Safety: Always secure workpiece to a solid base Use two-handed tool or stationary drill for diameters over 60 mm in wood Regularly check if all mounting screws are properly tightened before use Made in Japan – STAR-M
