QWORK Countersink Drill Bits Center Punch Set 6 Pcs 1/4'' Hex Shank HSS 5 Flute Countersink 90 Degree Center Punch Tool Sets for Wood Quick Change Bit 6mm-19mm

Key features

• 1) Professional countersink bits for sinking 90 degree holes into wood and plastic countersunk screws and fixings
• 2) The self-starting point and five-fluted design eliminates chatter and vibration for smooth operation to make clean, accurate and burr-free cuts
• 3) Constructed with high-speed steel and coated with super-hard titanium, this bit has the durability to withstand high-heat conditions for lasting use
• 4) 6 pieces bits with popular size: 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4")
• 5) 1/4" quick change Hex shank fits all handheld and stationary drills as well as the power drivers, Countersink ideal for Wooden planks,Fiberboard,Particle board,Plywood,Plastic,Aluminum Board ,Pcb Board etc