Mata bor ini berfungsi untuk membuat wood plug ( kayu penyumbat ) / dowel pada kayu misalkan ingin menghilangkan bekas paku sambungan, sebagai aksesoris, dll sesuai kebutuhan. Specification: Type: Barrel Cork Drill / Plug Cutter Color: Silver Material: High Carbon Steel with quenching treatment. Suitable For : Bench Drill and Gun Drill Diameter : 6 mm, 10 mm, 13 mm, and 16 mm Handle : Round Handle Handle Diameter : 8 mm Feature: 1. This set of tools includes 4 standard cutters and 4 four-tooth chamfer cutters 2. The chamfered cutter can be made into a tapered plug to fill the countersink 3. Use standard cutters to eliminate blemishes in the wood 4. The 4-piece cutter cutter can be perfectly made into plug drilling for back drilling 5. High-frequency quenching, enhance the hardness. 6. Includes 4 sizes(6mm, 8mm, 10mm, 13mm) in one plug cutting set. You can use to create different size of plugs. 7. Durable professional bored hole tool, which very helpful for wood plug cutting. 8. Carbon steel is durable, precision production, smooth surface, suitable for bench, speed not too fast, otherwise will smoke, charred. 9. Make plug with the largest bit to fill the hole made with middle bit, make the plug with a middle bit to fill hole made with the smallest bit. 10. Suitable for bench drill and hand drill, recommend bench drill, easy-centering. 11. These bits can cut round plugs from lumber or other stock that are used to fill a counterbore after fastening the parts. 12. They must be used on a drill press instead of a hand-held drill, the cuts that will be precise and clean.