Ansblue 16 PCS Center Drill Bit Set, Self Centering Hinge Tapper Core Hole Puncher, Woodworking Tools for Cabinet Door, Adjustable Door Window Drill Bits with 1 Hex Key & 8 Replacement bit 5/64”-1/4"

الوصف

Specification: ●Name: Center Drill Bit Set ●Color: Silver ●Material: high-speed steel core ●Packing quantity: 17PCS ●Package included: 16 PCS Center Drill Bit Set 1 Hex Key 8 Replacement bit ●Product size: 9*1*0.6cm/3.5*0.4*0.2inches ●Package size: 17.5*10*1.5cm/6.9*3.9*0.6inches ●Weight: 357g/lb ●5/64'':Hole diameter is about 2 mm, Use about 2.2 - 2.8 mm tapping screw ●7/64'':Hole diameter is about 2.8 mm, Use about 3 - 3.5 mm tapping screw ●9/64'':Hole diameter is about 3.5mm, Use about 4 - 4.5 mm tapping screw ●11/64'':Hole diameter is about 4.5mm, Use about 5 - 5.5 mm tapping screw ●5'':Hole diameter is about 5mm, Use about 5.5-6mm tapping screw ●13/64'':Hole diameter is about 5.1mm, Use about 5.6-6.1mm tapping screw ●1/4'':Hole diameter is about 6.3mm, Use about 6.8-7.3mm tapping screw Features: ●Suitable for most general purpose electric drills. ●Efficient and accurate positioning. ●Double-sided hole discharge sawdust design. ●Come with 8 replacement bits: when the drill bit is damaged, just need replace it that can continue to use. ●Double-sided hole discharge sawdust design, perfect punching effect, professional and DIY must have. Note: ●All dimensions are measured manually and there may be small deviations. ●We guarantee to provide the best quality products and best service, if any problems, you can contact us, we will provide a variety of solutions for you to choose. ●Use low speed when drilling (usually keep in 2000R/min - 3000R/min). too fast speed will off center, break the bit or jammed. ●When drilling the hole, please adjust according to the hardness of the wood. If the wood is soft, you can choose the smaller center drill bit. If the wood is hard, you can choose the corresponding or bigger one. ●If you can't get the center drill bit out after drilling, use the hex key to separate the drill bit.