R28 drill bit made in China
PRODUCT DESPRIPTION
A comprehensive range of various button bits shown as below:
Thread sizes: R25, R28, R32, R35, R38, T38, T45, T51, ST58, ST60, GT60;
Head diameters: 33mm ~ 152mm;
Face designs; flat face, drop center, uni-face;
Skirt designs: normal, retract, straigh retract
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