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Brand Name : OEM
Certification : ISO9001:2015
Place of Origin : CHINA
MOQ : 1 set
Price : Negotiation
Payment Terms : T/T, L/C, T/T, Western Union
Supply Ability : Based on the detailed quotation
Delivery Time : 10-20 days working days
Packaging Details : Wooden cases standard export package
Name : 32mm 7 button hard rock drill bits for mining
Material : Alloy steel
Type : Slotted bits, cross bits, button bits
Usage : Hole drilling
Applicable rock level : F=8~18
Application : Tunneling, mining,
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.
| Specification | |
| Application | Tunneling, mining, construction, stonework engineering and transportation facilities etc. | 
| Assemble | Connected to the H22 drilling rod.(Small end : 18×7° , Insertion depth : 30-33mm) | 
| Rocks with hardness | 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) | 
Photos of 40mm 7 button hard rock drill bits for mining
  

Package of 40mm 7 button hard rock drill bits for mining


  
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| 7 Button 40mm Hard Rock Drill Bits For Mining Images | 
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