K Kwokker 8PCS Hinge Drill Bit Set, HSS Self Centering Drill Bits 1/4" Hex Shank Hinge Drill Bit Guide Set Window Woodworking Puncher Hole Drilling Tool, 5/64”, 7/64”, 9/64”, 11/64”,5mm,13/64'',1/4''

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Product description

  • The hinge drill bit set includes 7 different sizes 5 64", 7 64", 9 64"*2, 11 64", 13 64", 5 MM, 1 4", with a hex key, meet your various needs.
  • 1 4" hex shank design is suitable for most electric drills, and the drill guide can be quickly installed and released with one hand. NOTE When drilling, use low speed (recommended between 2000rpm and 3000rpm). Otherwise the drill bit will come out of the middle, break off or get stuck because it is too fast.Countersink drill bit
  • Automatic positioning center design provide precise positioning, drilling without walking arround. Double-sided hole design, can make sawdust flow out the sides of the borehole quickly and automatically. Adjustable design allows you to replace drill easily. The drill will not get stuck.
  • Countersink drill bit widely used in drilling precise holes in cabinet door window hinges, handles, drawer slides, woodworking, wood furniture and more. When drilling the hole, please using different self centering drill according to the different hardness wood. If the wood is hard, you can choose the corresponding or the larger. If the wood is soft, you can choose the smaller.

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