Our products are good in quality and low in price .For button bits, we can offer you: bit diameter(D):32mm�45mm; Taper degree (a):6, 7, 9, 11, 12; socket diameter (d):19mm, 22mm, 25 mm. special sizes of button bits are also available upon your...
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Main Products:
button bits, cross bits, diamond core bits, reaming shell, rock bolt....
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