Utoolmart 7 in 1 Countersink Drill Bit Set, 3mm 4mm 5mm 6mm 7mm 8mm 10mm Quick Change Drill Bit with One Hex Key, Adjustable Carpentry Reamer Plated for Wood DIY, HSS

Description Specification:Drill Bit Size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm,10mm Material: HSS (High-Speed Steel)Package Content: 1 x Countersink Drill Bit SetDescription:【Simple Use】In one step, you can drill, countersink and counter bore the pilot holes.

Drill bits sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm.【Unique Design】Three-Pointed design can quickly and accurately drill a smooth hole.

Five-edged chamfer design will fast discharge chips from the hole on both sides automatically.【User-friendly Design】Use the hex key to remove five-bevel chamfer or adjust counter sleeve depth and drill depth for screws of various lengths.【Extremely Versatile】The Countersink Drill Bit Set is includes 1 piece of hex key and 7 pieces of countersink drill bit in 7 different sizes to satisfy all you demand.