ITEM NAME:4Pcs Countersink Drill Bit Set Screw Wood Working 3-6Mm Tool Chamfer AU JC. Description: 1. three-pointed woodworking drill and the middle five-blade chamfering are made of high-carbon steel material. 2. the chamfering device is five-edged, the use of the process can be faster discharge of wood chips, a one-time drilling smooth smooth hole, the screw cap embedded in the workpiece surface. Applicable to bench drill, hand drill and other tools. 3. 4 piece set includes bits for drilling pilot holes for screw sizes 3mm, 4mm, 5mm, 6mm with Four corresponding chamfers 4. Sharp and durable 5. Suitable for hardwood 6. Chips will discharge from the hole on both sides of the drill top automatically, so the drill will not be clogged Specification: Material: high-carbon steel Handle : round three-pointed wood drill diameter: 3MM, 4MM, 5MM, 6MM Package Included:1 x chamfers,4 x Countersink drill.Applicable to bench drill, hand drill and other tools. Suitable for hardwood. 4 piece set includes bits for drilling pilot holes for screw sizes 3mm, 4mm, 5mm, 6mm with Four corresponding chamfers. three-pointed woodworking drill and the middle five-blade chamfering are made of high-carbon steel material.