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Product Details:
Payment & Shipping Terms:
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| Type: | Drill Bit | Machine Type: | Drilling Tool |
|---|---|---|---|
| Material: | Carbide | Processing Type: | Forging |
| Use: | Coal Mining |
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
Product description:
(1) Made from high alloy steel and YK05 tungsten carbide as same with world famous brand
(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons.
(3) Entire CNC processing procedure ensure the quality consistency
(4) Military grade requirements of heat-treatment guarantee durability
(5) Fast penetration rates, and straight and clean hole quality, longer drilling life
Threaded Button Bits also named Top hammer bits for penumatic or hydraulic drill rig.
We offer a wide range of button bits, the follow specification table to see the different sizes. All of the top hammer bits are avalible with parabolic or hemispherical inserts.
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Top hammer bits with T51 thread |
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| Part number | Diameter | Buttons | Buttons | Flushing gauge | Flushing front | Body | Front |
| gauge | front | ||||||
| 51T66RD | 66mm |
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4x10mm 1 x 8mm | 0 | 4 | Retrack | Dropcenter |
| 8x10mm | |||||||
| 51T70RD | 70mm | 8x10mm | 5x10mm | 0 | 4 | Retrack | Dropcenter |
| 51T76ND | 76mm | 8x12mm | 5x11mm | 0 | 4 | Normal | Dropcenter |
| 51T76RD | 76mm | 8x12mm | 5x11mm | 0 | 4 | Retrack | Dropcenter |
| 51T76RD L | 76mm | 8x12mm | 5x11mm | 0 | 4 | Guidebit | Dropcenter |
| Retrack | |||||||
| 51T89ND | 89mm | 8x12mm | 6x11mm | 1 | 4 | Normal | Dropcenter |
| 51T89RD | 89mm | 8x12mm | 6x11mm | 1 | 4 | Retrack | Dropcenter |
Pls contact us, Whatsapp/ wechat: +86 1391110 7654
Website: www.prodrill.com.cn
