Furnace Blast Hole Tapping Carbide Cross Bits 20-127mm with Tungsten Carbide Tips for Hard Rock Drilling
Furnace Blast Hole Tapping Carbide Cross Bits are engineered for top hammer drilling in the most challenging rock formations. These industrial-grade drilling tools feature tungsten carbide tips for superior performance and durability.
- Excellent drilling penetration rates in hard rock conditions
- Specifically designed for very hard and hardest rock formations
- Adaptable to various construction and mining conditions
- Strong corrosion resistance for extended service life
- Ideal for drilling in very hard rock, hard formation, and crack-grown formation
- Requires regular regrinding to maintain optimal rock crushing efficiency
- Available in multiple materials and sizes to match specific rock formations and working conditions
| Diameter (mm) | Diameter (inch) | Button (mm) | Flushing Holes (Side) | Flushing Holes (Front) |
|---|---|---|---|---|
| 35 | 1 3/8" | 13×8×12 | 4 | 1 |
| 38 | 1 1/2" | 14×8×12 | 4 | 1 |
| 41 | 1 21/32" | 15×8×12 | 4 | 1 |
| 45 | 1 49/64" | 17×8×12 | 4 | 1 |
| 48 | 1 57/64" | 17×8×14 | 4 | 1 |
| 51 | 2" | 19×10×16 | 4 | 1 |
| 57 | 2 1/4" | 22×10×16 | 4 | 1 |
| 64 | 1 33/64" | 24×10×16 | 4 | 1 |
| 76 | 3" | 29×12×20 | 4 | 1 |
| Diameter (mm) | Diameter (inch) | Button (mm) | Thread |
|---|---|---|---|
| 35 | 1 3/8" | 14×8 | R25 |
| 38 | 1 1/2" | 14×8 | R25 |
| 41 | 1 5/8" | 14×8 | R25 |
| 43 | 1 11/16" | 14×8 | R25 |
| 38 | 1 1/2" | 14×8 | R28 |
| 43 | 1 11/16" | 14×8 | R28 |
| 45 | 2 3/4" | 14×8 | R28 |
| Diameter (mm) | Diameter (inch) | Button (mm) | Thread |
|---|---|---|---|
| 45 | 1 3/4" | 16×10 | R32 |
| 48 | 1 7/8" | 16×10 | R32 |
| 51 | 2" | 16×10 | R32 |
| 57 | 2 1/4" | 16×10 | R32 |
| 64 | 2 1/2" | 18×13 | R32 |
| 76 | 3" | 18×13 | R32 |
Roschen is a leading manufacturer of professional drilling tools, specializing in DTH hammers and bits, DTH drill pipes, RC hammers and bits, top hammer button bits, couplings, cross bits, drill rods, and comprehensive rock drilling equipment and accessories.
Companies: ROSCHEN INC., ROSCHEN GROUP LIMITED, ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL, ROSCHEN_GROUP
WeChat: +86-137 6419 5009; +86-135 8585 5390
WhatsApp: +86-137 6419 5009; +86-135 8585 5390
Email: roschen@roschen.com; roschen@roschen.net
Websites: www.roschen.net, www.roschen.cn, www.roschen.com, www.roschengroup.com
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