26 Pieces Countersink Drill Bit Set, 8 Pieces Wood Plug Cutter Drill Bits, 7 Pieces Tri-Point Drill Bit, 6 Pieces Countersink Drill Bit, 3 Pieces Step Cone Drill Bit

8-Piece Woodworking Router Bit Set: 4 standard router bits and 4 four-tooth chamfer router bits, 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 attaching the drill. 90 degrees - Made from standard high speed steel. With high frequency quenching for heat treatment, HSS taper drill bits have high toughness and hardness.Coated with titanium, the chamfer kit is rust-proof and has a long set of 3 step cone drill bits: Forged from titanium-coated high-speed steel, the hex shank of the step drill bits adopts a grooved design, helps 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 pieces from moving. We provide different wood drill bits. You can use it in any holes you need. Product Description Features: - Included: 4 standard countersinks and 4 four-tooth chamfer cutters, can be used with bench drill, hand drill or other professional drilling machine.- Tri-point drill bit made of high quality carbon steel with titanium coating, the drilling 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. - Step cone drill bit forged from titanium coated high speed steel, the step drill bits hex shank adopts grooved design, helps the electric drill clamp more firmly. Contents: - Set of 7 countersinks. 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.Length of cone drills: 48 mm. Material: 4241 high speed steel. Dimensions: 6mm, 8mm, 9mm, 12mm, 16mm and 19mm. - 8 wood drills. Dimensions: 15.8mm. 12.7mm. 9.5mm. 6.3mm. Stem: round. Shaft diameter: 9.3mm. Material: Carbon steel 45. - 3pcs HSS Step Drill Bit Set: Material: High Speed Titanium Steel Dimensions: 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.