T45 89mm button bits are suitable for powerful percussive drills and top hammers with high speed drifter, such as Atlas Copco 282 rocket boomer, Atlas Copco 352 rocket boomer jumbo, Atlas Copco D7roc, Furukawa HCR 1200, Tamrock, and Ingesoll Rand ECM660, the products are widely used in bench and production drilling, extensional drilling,our products with comparative advantages of the more prominent cost-effective as the famous brand in the world, our products have been recognized as high-quality brand of rock-drilling tools made in China.

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Product Name: Rock drilling T45 thread retrac ballistic drop center button bits .

Description: Button bits are made with best quality alloy steel bar and tungsten carbide buttons, through advanced heat treatment technology like Atlas Copco, Sandvik & Boart Longyear.

Material: Alloy steel bar 45CrNiMoV and tungsten carbide tips YK05
Body type: Normal body or retrac body
Thread type: R22,R25,R28,R32,R38,T38,T45,T51,ST58,ST68,GT60
Diameter: 32mm-127mm
Button bit shape: spherical and ballistic
Face shape: Flat shape and drop-center shape