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.

DECKRKAT Countersink Drill Bit Set: Upgraded 12-Piece Countersink Bit，Maximize efficiency with our enhanced set: Screw Size (Pilot Bit Diameter):#6 Screw → 3/32" (2.5mm)#8 Screw → 7/64" (2.8mm)#10 Screw → 1/8" (3.2mm)#12 Screw → 9/64" (3.5mm)#16 Screw → 3/16" (4.8mm)Softwood Tip: Use one size smaller pilot bit (e.g., #12 screw → 9/64" → use 1/8")Package Includes:5x 3-in-1 Counterbore Units5x Spare Pilot Bits1x Hex Wrenches2x Limit Rings2x Demo Screws1x Storage CaseWhy DECKRKAT Stands Out:82° Chamfer & 3/8" CounterboreCreate flawless recessed holes for screw heads – ready for invisible wood plugs or filler.

• 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 (3/32"), #8 (7/64"), #10 (1/8"), #12 (9/64"), and #16 (3/16") 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