8 Piece Woodworking Cutter Set: 4 Standard Cutters and 4 Four Flute Chamfer Cutters, can be used with bench drill, hand drill or other professional drilling machine. To avoid slippage or eccentricity during drilling, we recommend using a bench drill or clamping the drill [7 Taper Drill Bits for Wood ] Made of high quality carbon steel with coating made of titanium, the drill length can be adjusted for different length of , the chamfer is 5 flutes which can unload the wood faster when using 6.35 Hex Taper Drill Bits Set of 6 mm at 90 degrees - Manufactured from standard HSS. With high frequency quenching for heat treatment, HSS taper drill bits have high toughness and hardness. Titanium coated, the chamfer kit is rust-proof and has a long 3-piece step taper drill bit set: Forged from titanium coated high-speed steel, the hexagonal shank of the stepped drill bits adopts a grooved, help the electric drill clamp more firmly, suitable for drilling thinner stainless steel, carbon steel, aluminum plate, iron plate and other materials Contents: 1 automatic center punch to mark workpieces with a dimple, creating a starting point that prevents bits and drills from shifting. We supply various wood drill bits. You can use it in any hole you need. Product Description Features: - Included: 4 standard cutters and 4 four-tooth chamfer cutters, can be used with a bench drill, hand drill or other professional drilling machine. - High quality carbon steel tri-point drill bit with titanium coating, the drill length can be adjusted for different screw lengths, the chamfer is 5 flutes which can unload wood faster. - Standard high speed steel taper drill bits, with high frequency quenching for heat treatment, HSS taper drill bits have high toughness and hardness. - Stepped taper drill bit forged from titanium coated high speed steel, the hex shank of the stepped drill bits adopt groove design, help the electric drill to clamp more firmly. Contents: - Set of 7 milling cutters. Dimensions: 3mm diameter x 60mm length. 4mm diameter x 75mm length. 5mm diameter x 85mm length. 6mm (diameter) x 93mm (length). 7mm diameter x 10mm length. 8mm (diameter) x 11mm (length). 10mm diameter x 12mm length. - 6 countersink drills. Shape: 5 flutes Edge: 90 degrees. Tapered drill bits length: 48mm. Material: 4241 HSS. Sizes: 6mm, 8mm, 9mm, 12mm, 16mm and 19mm. - 8 wood drills. Size: 15.8mm. 12.7mm. 9.5mm. 6.3mm. Stem: round. Shaft Diameter: 9.3mm. Material: 45 Carbon Steel. - Set of 3 High Speed Steel Step Drill Bits: Material: High Speed Titanium Steel Size: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm , 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm). 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm). 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm). Note: For your safety, please do not use it too fast when using it. Please check whether it is suitable for your machine before use.