ITEM NAME:Center Drill Kit(16 Pcs),Self-Centering Hinge Tapping Drill Bit Kit For Woo D3Z7 Center Drill Kit(16 Pcs),Self-Centering Hinge Tapping Drill Bit Kit For Woo D3Z7 Center drill is made of high speed steel drill bit & quenching treatment shell designed.High hardness,durable and superior drilling performance Automatic positioning center enhance accuracy and efficiency.Double-sided hole design-fast & automatic discharge Sawdust from the hole on both sides perfect for hinges,handles,drawer slides,woodworking and etc.Suitable for professionals and Dyer Use low speed when drilling(usually keep in 2000R/min-3000R/min).too fast speed will off center,break the bit or jammed Color:silver Material:steel Package Contents: 8* Center Drill Bits(5/64 Inch,7/64 Inch,9/64 Inch *2,11/64 Inch,13/64 Inch,5mm and 1/4 Inch)(with case) 1* Hex Key 8* Replacement Drill Bits.Use low speed when drilling(usually keep in 2000R/min-3000R/min).
