Customization: | Available |
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Customized: | Optional |
Standard: | Optional |
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Taper button bits,Five button bit:
Shank size for 22*108mm drill rod
Taper degree: 7/11/12 degree
Bit diameter:32mm,34mm,36mm,38mm,40mm,42mm
Bit shape: chisel ,cross,button
Long shirt or Short shirt
We also accept OEM