Saipor 5pcs Wood Tapered Countersink Drill Bit Set Hex Shank Screw Drill Counter Sink Bit 7/64", 9/64",11/64", 3/16", 7/32" Adjustable Drilling Tool Kit on Pilot Counter Sinker Hole for Woodworking

• 【Better Performance】The tapered drill bit is made of M2 High Speed Steel which have high toughness, wear resistance, and good cutting retention. The pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws
• 【Counter Bore】#45 Carbon Steel adjustable four-cutter counter bore, chamfer angle 82 degree enable faster operation and self-clearing drilling on the swarf, getting a nice conical countersink while drilling the pilot hole
• 【Adjustable】The counter-bore feature attaches flats on shank with 2 hex screws for a secure fit and can adjust the overall bit length and thus control the pilot hole depth
• 【Size】The wood drill bit is equipped with 5 different sizes 7/64", 9/64",11/64", 3/16", 7/32", covers the full range of screw sizes, meet your various needs.
• 【Quick change】The 1/4" hex shank can be used with power drills and quick-change chucks. Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, etc.

Features 1. 4 Flute cutter countersink and tapered drill bit provide superior speed and ideal finish. 2. Use these countersinks to drill the pilot hole and countersink hole in one step. 3. Adjustable countersink along taper drill to get proper pilot hole depth for different length screws. 4. The pin-fastened drill bit is tightly bonded to the shank and will not loosen easily, 5. Hex shank compatible with 1/4 inch standard Quick Change chuck including impact drills 6. Best for woodworking applications; hard wood, soft wood, plywood, MDF, particle board and plastics. Specifications: Material: HSS, 45# steel Shank Size: 1/4" Hex Shank Size: Countersink #4 Bit Diameter 7/64" (2.8mm) , counterbore size and plug size 3/8" - Countersink #6 Bit Diameter 9/64" (3.6mm) , counterbore size and plug size 3/8" - Countersink #8 Bit Diameter 11/64" (4.4mm) , counterbore size and plug size 3/8 inch - Countersink #10 Bit Diameter 3/16" (4.8mm), counterbore size and plug size 3/8" - Countersink #12 Bit Diameter 7/32" (5.6mm) , counterbore and plug size 1/2". Package Included: 5 x Countersink Drill Bit 1 x Allen Wrench key