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  • Brand new and high quality.
  • Color: Silver.
  • Material: brass, high-speed steel, exterior plating.
  • Inch Specifications: 5/64'', 7/64'', 9/64'',11/64''.

Hole Size:

  • 5/64 ': length of about 85mm, hole diameter of about 2mm, using self-tapping screws around 2.2-2.8mm.
  • 7/64 ': length of about 87mm, hole diameter of about 2.8mm, use self-tapping screws around 3-3.5mm.
  • 9/64 ': length of about 95mm, hole diameter of about 3.5mm, use self-tapping screws around 4-4.5mm.
  • 11/64 ': length of about 97mm, hole diameter of about 4.5mm, use self-tapping screws around 5-5.5mm.


  • When opening, please adjust according to hardness of the wood under, if the wood is soft, choose a smaller size, if the wood hard, you can choose a corresponding larger size and precise positioning, will not shift, sawdust will be automatically discharged from the top of the drill holes on both sides, not stuck drill.

Package Included:

  • 4 x HSS Door Hole Centering Hinge Hardware Drill Saw Bit

NO Retail Box. Packed Safely in Bubble Bag.

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