button drill bit

T60 Ballistic Button Drill Bit Rock Drilling Tool For Underground Mining Tunneling Characteristics 1. Thread connection: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60 2. Alloy steel:42CrMo 3. Suitable ... Read More

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102mm Reaming Type Rock Carbide Drill Bits / Hard Rock Drill Bits 33 - 152mm Diameter JCDRILL Thread Reaming Button Drill Bit Reaming bits made from high alloy steel and tungsten carbide as same grade as ... Read More

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Small Rock Drill Bits 40mm 8 Buttons Tungsten Carbide Taper Drill Rock Button Bits JCDRILL Tapered Button Bit Product Description JCDRILL tapered bits are ideal for short hole drill & blast, as well as roof ... Read More

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High performance 32mm, 34mm,36mm,38mm,40mm - 7 / 11 / 12 degree tapered rock drill button bit with 7 carbide JCDRILL Tapered Button Bit Product Description JCDRILL tapered bits are ideal for short hole drill & ... Read More

JCDRILL best performance rock drilling bits,button bits in Chinese market JCDRILL Tapered Button Bit Product Description JCDRILL tapered bits are ideal for short hole drill & blast, as well as roof bolting ... Read More

high performance 32mm, 34mm,36mm,38mm - 7 / 11 / 12 degree tapered rock drill button bit with 7 carbide JCDRILL Tapered Button Bit Product Description JCDRILL tapered bits are ideal for short hole drill & blast... Read More