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Cross Drill Bits |
The cross bit can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock performance. Generally, chisel bit is mainly useed for hard rock, cross bit and button bit are mainly used for fissural rock.
It is mainly used for diging into mine laneway and blasting holes in all drilling works matched with the taper drill rod. For different rock, we choose the different alloy to extend the working life of the drill bits.
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Drill Type
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Bit diamater (D)
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Taper
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Whter hole
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(d)
mm
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Part on
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mm
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in
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Crossl Type Bits
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32
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1 17/64"
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7°
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3
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22
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S 132-722
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34
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1 11/32"
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7°
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3
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22
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S 134-722
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36
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1 27/64"
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7°
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3
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22
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S136-722
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38
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1 1/2"
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7°
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3
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22
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S138-722
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40
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1 37/64"
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7°
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3
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22
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S140-722
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42
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1 21/32"
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7°
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3
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22
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S142-722
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43
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1 11/16"
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7°
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3
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22
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S143-722
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45
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1 49/64"
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7°
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3
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22
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S145-722
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50
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1 31/32"
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7°
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3
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22
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S150-722
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55
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2 9/50"
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7°
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3
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22
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S155-722
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Drill Type
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Bit diamater (D)
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Whter hole
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Thread
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Part on
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mm
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in
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Crossl Type Bits
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38
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1 11/2"
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3
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25R
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S138-25R
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42
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1 21/32"
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3
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25R/28R
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S142-25R/28R
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45
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1 49/64"
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3
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25R/28R
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S145-25R/28R
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48
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1 57/64 "
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3
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25R/28R
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S148-25R/28R
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51
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2"
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3
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25R/28R/32R
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S 151-25R/28R/32R
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54
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2 1/8"
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3
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28R/32R
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S154-28R/32R
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65
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2 14/25"
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3
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28R/32R/38T
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S165-28R/32R/38T
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We can manufacture the following types according to clients' needs:
Thread joint:25R,28R,32R,38R,38T
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