HUNAN GOLDEN GLOBE I AND E OED CO.,LTD. |
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45mm-tapered-button-drill-bit Carbide Button Small Rock Drilling Bits
Number of buttons: 9 buttons
Tapered type: 7 degree
(1)Taper Angle: 4°,4°46″,6°,7°,11°,12°
(2)Models: Chisel/Cross/Button Bit
(3)Dia:20-45 Mm
(4)Button Bit Shape: Spherical/Parabolic
(5)Socket Inside Dia:15/19/22/25mm