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Product Details:
Payment & Shipping Terms:
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| Name: | 32mm 7 Button Hard Rock Drill Bits For Mining | Material: | Alloy Steel |
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| Type: | Slotted Bits, Cross Bits, Button Bits | Certification: | ISO9001:2015 |
| Usage: | Hole Drilling | Applicable Rock Level: | F=8~18 |
| Application: | Tunneling, Mining, | ||
| High Light: | 40mm Hard Rock Drill Bits,Rock Carbide Drill Bits,7 Button Rock Drilling Tools |
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Product Description
40mm 7 button hard rock drill bits for mining
Drill bits are widely used in tunneling, mining, construction, stonework, transportation facility construction etc. For rocks with hardness F=15-18 Class, GL is suitable; for rocks with hardness F=12-15 Class, GA is suitable; for rocks with hardness F=10-12 Class, GB is the suitable.
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Application
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Tunneling, mining, construction, stonework engineering and transportation facilities etc.
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Assemble
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Connected to the H22 drilling rod.(Small end : 18×7° , Insertion depth : 30-33mm)
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Rocks with hardness
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GL:Granite, basalt(F=15-18)
GA:Granite, quartz porphyry, siliceous schist, the hardest sandstone and limestone(F=12-15)
GB:Dense granite, strong sandstone,limestone,quartz veins,sturdy conglomerate,iron ore(F=10-12)
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Photos of 40mm 7 button hard rock drill bits for mining
Package of 40mm 7 button hard rock drill bits for mining
