DECKRKAT 12-Piece Countersink Drill Bit Set - 3-in-1 Wood Counterbore Kit for #6#8#10#12#16 Screws | 82° Chamfer, Depth Adjustable | 5 Spare Bits,2 Limit Rings,Hex Key,Case.

• 3in1 Countersink Drill Bit Set – Enable you to Drill, Countersink and Counterbore in one step, ideal woodworking tools for setting screws flush with or below the surface of a material.
• Meet All Your Needs–5 packs of Countersink drill bits assortment in size #6 (2.5mm), #8 (2.8mm), #10 (3.2mm), #12 (3.5mm), and #16 (5mm) for perfect centered Screws Holes in both Soft and Hard Wood.
• Easy To Use–3 sharp edged 82-degree chamfer design Counter sink bits built with 1/4" Hex Shanks with groove for quick size changes without bit slipping, compatible with most electric drills and tools.
• Drilling Depth Adjustable– Working length of the pilot drill bit is adjustable for precise depth control; hex wrenches included for changing or tightening the pilot drill bits.
• Compatible with More Materials – Pilot bits are made of high quality M2 steel, countersink bits make of high carbon steel, able to drill in hard wood, soft wood, plywood, plastic; Please use a drill bit one size smaller in soft wood.

DECKRKAT Countersink Drill Bit Set: Upgraded 12-Piece Countersink Bit，Maximize efficiency with our enhanced set: Screw Size (Pilot Bit Diameter): #6 Screw →(2.5mm) #8 Screw →(2.8mm) #10 Screw →(3.2mm) #12 Screw →(3.5mm) #16 Screw →(4.8mm) Softwood Tip: Use one size smaller pilot bit (e.g., #12 screw → 3.5mm → use 3.2mm) Package Includes: 5x 3-in-1 Counterbore Units 5x Spare Pilot Bits 1x Hex Wrenches 2x Limit Rings 2x Demo Screws 1x Storage Case Why DECKRKAT Stands Out: 82° Chamfer & 10mm Counterbore Create flawless recessed holes for screw heads – ready for invisible wood plugs or filler.