T45 89mm Thread Button Bit - gmd-eqpt.com
Granite drilling T45 76mm normal flat face thread drill button bits Description. With the top quality of alloy steels imported from USA and the best carbides made in China, we produce all retract threaded button bits by hot press technology. SINODRILLS thread button bits. Thread size: R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60.
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