Hand drill modified square tenon machine accessories tenon and tenon chuck eye punch conversion head
The metal drill chuck has a special version of the hand, which is more convenient to clamp the drill core and will not loosen easily.
The clamping position is preferably made of box material, with a length of not less than 5 mm, and the recommended distance for the farthest reading from the waiting surface of the drill head to the clamping part is about 8 mm.
The distance of the drill core tail shank inserted into the drill chuck is deeper, which is conducive to maintaining the stable state of the drill core when it is working.
There are only 8 suitable sizes for the installation diameter of the central head: 4OMM.43MM.45MM
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
