Tin-coated drill hss step drill bit step hole saw for steel 4-20 core drill bit
- High Quality Material
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Versatile Usage
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Precise Drilling

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| | 4/6/8/10/12/14/16/18/20/22/24/26/28/30/32 |
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| | 4/6/8/10/12/14/16/18/20722 |
| | 5/7.5/10/13/16/19/21/23/26/29/31/33/35 |
| | 4/6/9/12/15/18/21/24/27/30/33/36/39/40 |
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| | 4/6/8/10/12/14/16/18/20/22/24/26/28/30/32 |
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| | 4/6/8/10/12/14/16/18/20/22 |
| | 6/8/10/12/13/14/16/18/20/22/24 |
| Industrial grade TIAIN coating | | |
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| | 4/6/8/10/12/14/16/18/20/22/24/26/28/30/32 |
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