7Pcs Countersink Drill Bit Set - HSS 5 Flute Woodworking Chamfering Bits with Hex Key | Perfect for DIY Projects, Furniture Making & Metalworking

Feature: 1. The set includes drill bits for drilling pilot holes, screw sizes are 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm. 2. Specially designed steel countersunk or countersink guide holes. 3. Drilling and countersinking wood screws without changing drill bits. 4. Just loosen and tighten the set screws to adjust the drilling length of screws of various lengths. 5. 5 flute design for quicker wood chip removal during use. 6. Glossy and flat countersunk, and the nut is perfectly embedded in the surface of the workpiece. Specification: Item Type: Countersunk Drill Bit Dimension: 3mm x 60mm(L) Chamfer Diameter: 15.8mm 4mm x 75mm(L) Chamfer Diameter: 15.8mm 5mm x 85mm(L) Chamfer Diameter: 15.8mm 6mm x 93mm(L) Chamfer Diameter: 15.8mm 7mm x 100mm(L) Chamfer Diameter: 15.8mm 8mm x 110mm(L) Chamfer Diameter: 18.8mm 10mm x 120mm(L) Chamfer Diameter: 18.8mm Shank: 1/4 hex shank Size Error: ±2mm Package List: 7 x Countersunk Drill Bit 1 x Hex Wrench

Size: The set includes drill bits for drilling pilot holes, screw sizes are 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm

Size: The set includes drill bits for drilling pilot holes, screw sizes are 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm

Countersink Bit Set: Specially designed steel countersunk or countersink guide holes

No Need to Change Drill Bits: Drilling and countersinking wood screws without changing drill bits

Easy to Adjust: Just loosen and tighten the set screws to adjust the drilling length of screws of various lengths

5 Flute HSS Drill Bit Set: 5 flute design for quicker wood chip removal during use