brazed core bits

big diameter core bits, suitable for professional drilling machines, good for drilling concrete, hard tiles.

Specification:
Manufacturer:beijing gangyan diamond products company
Contact Person:Mr. ZhangOrigin:beijing
Email:info@gangyan-diamond.comTel:13911026870
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big diameter core bits, suitable for professional drilling machines, good for drilling concrete, hard tiles.

specification, technical processing, designing regulation, producing capactiy

OSA certified

 ?38,42,52,56,63,65,68,72,76,78,82,86,92,102,108,112,112,114,117,120,122,127,132,138,142,152,162,172,182,186,200,226,250,254,305,356mm

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