6PCS 1/4 " Hex 5 Flute 90 Degree Countersink Bits - All have a 90 angle on the tip for clean and precise milling. The edge is hardened and sharpened for more sharpness. A chatter-free five-flute design with offset cutting teeth arranged to ensure free chip flow and fast, chatter-free cutting. The 7PCS Three Point Countersink Drill Bits - With L-key, they are made of high speed steel with good abrasion resistance and durable, include 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm for drilling pilot holes, the coarse chip drill bit, flute and five-edge chamfers allow faster and easier sawdust removal. 8PCS 3/8 " Shank Wood Cork Cutter Drill Bit Set -Made of durable carbon steel, used for 1/4 ", 3/8 " taper wood plugs, 1/2 ", 5/8 " to cover recessed screw holes or hide imperfections, capable of cutting 22mm / 23mm / 25mm / 26mm length plugs. 1/4 " Hex Shank 3PCS HSS Step Drill Bit Set - Perfect Step Drill Bits Suitable for drilling holes in various materials within 3mm / 0.12 inch (iron plate, copper plate, aluminum plate); within 5mm / 0.2 inch (wood, PVC sheet, insulation boards). Not suitable for hard and brittle materials such as stainless steel, glass, tiled floors, walls, etc. Package Include - Our Drill Bit Set Includes 8 Piece Wood Grip Cutting Tool 7 Three Point Drill Bits with L Wrench, 6 Countersink Drill Bits, 3 Step Cone Drill Bits. is made of high carbon steel, high hardness, excellent cutting force and good grinding resistance.Bit for wood door DIY drilling holes. Product description 26pcs Countersink Drill Bit Set Woodworking Drill Tools Include 8 Wood Cutting Tool Drill Bits, 7 Three Point Drill Bits, 6 Countersink Drill Bits, 3 Step Cone Drill Bits For Woodworking 1.7PCS WOOD MILLING DRILL BIT SET Material: HSS Size: 3 mm (diameter) x 60 mm (L) 4 mm (diameter) x 75 mm (L) 5 mm (diameter) x 85 mm (L) 6 mm (diameter) x 93 mm (L) 7 mm (diameter) x 10 mm (L) 8 mm (diameter) x 11 mm (L) 10 mm (diameter) x 12 mm (L) 2.6PCS 5 FLUTE COUNTER DRILL BIT Material: HSS Surface treatment: titanium coated. Edge: 90 degrees. Handle diameter: 1/4 " hex shank. Size: 6mm (1/4 ''), 8mm (5/16 ''), 9mm (3/8 ''), 12mm (1/2 ''), 16mm (5/8 '' ) and 19 mm (3/4 ''). 3.8PCS WOOD PLUG CUTTING TOOL DRILL BITSMaterial: 45 carbon steel. Shank: 3/8 " (10 mm) round shank. Shank diameter: 9.3mm. Size: 5/8 " (wooden plug 15.8 mm) 1/2 " (wooden stopper 12.7 mm) 3/8 " (wooden stopper 9.5 mm) 1/4 " (wood plug 6.3 mm) 4.3PCS HIGH SPEED STEEL STEP DRILL BITS SET: Material: high speed titanium plated steel Size: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 4 to 20 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm) 4 to 12 mm (4 mm, 6 mm, 8 mm, 10 mm, 12 mm) Features: 1. Polished edge for reduced friction. 2.High hardness and sharpness, perfect for drilling very thick wood. 3.Ideal for wood planks, fiberboard, particle board, plywood, plastic, aluminum board, printed circuit boards and more. Package includes: 8 * Wood Grip Cutting Tool 7 * three point drill bit