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Rock drill bits factory Prodrill: R25 thread cross bit , diameter 45-76 mm suitable for drifting and tunneling drilling application,easier to sharpen than X-bits, inset angles are equal on all four sides, Bits 64mm and less are easier to sharpen than button bits of the same size, In certain rock conditions, cross bits tend to produce a spiraled five sided hole (especially in diameters larger than 64 mm).
Cross Bit with 45mm Drilling Diameter:
THREAD CROSS BITS
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Product Name
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THREAD CROSS BITS
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Material
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same raw material supplier with atlas china
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Color
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yellow,blue,black or others
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length
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R25,R28,R32, R35
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usage
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stone quarry and mining
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used with
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thread extensioin rod
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flushing hole no.
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2holes
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Other Specifications of thread cross bit for furnace
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Product name |
Diameter |
Tip size |
Thread |
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mm |
inch |
HXW |
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Thread cross bit |
45mm |
1 3/4 |
7x8 |
R32 |
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50mm |
1 31/32 |
R32 |
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55mm |
2 1/8 |
R38/T38 |
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60mm |
2 3/8 |
R32/R38/T38 |
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65mm |
2 1/2 |
R32/R38/T38 |
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70mm |
2 3/4 |
R32/T38 |
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80mm |
3 1/8 |
R32 |
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100mm |
3 3/4 |
R32 |
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