Caution: It cannot be used with the hammer drill, Purpose: Wood and metal countersinking and screw embedding processes, Appropriate Rotation Number (rotation/min): 3000, Compatible Materials: Woodwork and light metal, Usage Tool: Electric drill, Shaft Diameter (phi mm): 3.0 - 7.2, Material: Cutting edge: hard chip Main part: Common steel
Caution: For safety reasons, please use power tools of high speed rotation 2500 rotations/m or less.
If you are using an electric drill, please use low speed rotation during the start and end of screw tightening., Purpose: Ideal for installation work of handrails for nursing fittings, stair handrail fittings, and hinge reinforcement metal fittings.
Purpose: For wood and drywall (for counterboring - piercing), Drilling Range (mm): 15 - 45, Materials (Blade): Edged steel tool, Compatible Materials: Such as wood / drywall, Hole Drilling Depth (mm): Up to 90, Model: No.1, Compatible: electric drill Over 6.5 mm , drill press
Compatible Size (mm): 3.1 - 4.8 (wood screws), Overall Length (mm): About 90, Material: HSS (drill part), Specification: How to use Rotating drill and make guide part touch. Then push. Almost center area of drill brade will be hole.