Countersink drill bit, with woodworking chamfering, can drill out the smooth hole in one time and keep on the same axis, then insert screw into the hole.You will get a nice smooth surface on any type of hard, soft wood. Make the woodworking more perfect with LittleSmith countersink drill bit. Specification Product Name:three-pointed countersink drill bit Material: high speed steel Application:use on Polyurethane(pu), Rubber, Plastic and Acrylic, perfect for HARDWOOD or SOFTWOOD Dimension: Drill Diameter x Overall Length 3mm(1/8") x 60mm(2.36") 4mm (5/32'')x 75mm(2.95") 5mm(3/16") x 85mm(3.34") 6mm (1/4")x 93mm(3.66") 7mm(9/32") x 100mm(4.05") 8mm (5/16")x 110mm(4.33") 10mm(25/64") x 120mm(4.72") Package Included: 7 x Countersink drill bit 7 x Woodworking chamfering 1 x L Hex wrench How to Use Woodworking Countersink Drill Bit? ✑ Use the wrench to adjust the chamfering according to the length of the screw, and then tighten the screw of the chamfering clockwise. ✑ Loosen the drill chuck and install the sink drill. Please ensure that the drill bit is clamped! ✑ VERTICALLY drilling the countersink hole on the wood. ✑ Clear the wood chips and embedding screw, get a nice smooth surface Special Note When Using the Countersink Drill Bit： It’s best to use a bench drill. It’s not well positioned when using the hand drill , which causes the drill bits (especially the 3mm and 4mm) to bend and break easily!!! Try to keep the drill VERTICAL while drilling, not to bend the bit or the chamfer surface is uneven. After-Sales Service of LittleSmith ✔Quickly customer service feedback within 24 hours. ✔Quality problems within 90 days can not be used, will Full refund or Free replacement.
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