30mm, 35mm OD Coal Mining Conica Drill Bit Coal Cutter Pick-Shaped Bits Rock Drilling Tools
Description:
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Coal cutter Pick-shaped bits
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Coal cutter Pick-shaped bits: L1 is the whole length, L2 is the length of the head(drilling part), D is the diamter of the head(maximum diameter), and d is the diameter of the back part
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Main dimensions
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Item No.
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L1
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L2
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L3
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D
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d
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134
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62.5
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27.5
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50
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30
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JGC62/30
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145
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70
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8
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70
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30
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JGC70/30
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152
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80
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27.5
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50
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30
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JGC80/30
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181
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98
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27.5
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55
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35
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JGC98/35
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176
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82.5
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27.5
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55
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35
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JGC82.5/35
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143
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70
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27.5
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50
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30
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JGC70/30B
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152
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80
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27.5
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50
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30
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| Model No.: | coal cutter pick-shaped bits 1 |
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| Place of Origin: | Zhejiang |
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