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| diamond concrete drill bit |
1.Outer diameter:16-300mm
2.Length:10-20mm
3.Number of teeth:2-20
4.applications: Reinforced concrete
5.Machinery: drilling machines
6.Certification:ISO9001:2008 Certificate.
7. Feature: Fast Speed,High Effciency,anti-friction,Long life,Cost effective.
For more information, please visit http://www.hhdiamondtools.com/Product/Product-2-1.html

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