Best Selling Carbide Bit/rock Drill Bit
the cross type mainly apply to drilling the rock with heavy causticity and fissure.it is widely used in metallurgy mine,geological exploration,water conservancy construction,electricity traffic,tunnel,quarry national defencestone project etc.
taper:7degree,11degree,12degree
diameter:30mm,32mm,34mm,36mm,38mm,40mm,42mm,50mm,60mm
can produce according to customer demand.
shipping:according to product weight,can choose by air,by express,by sea.we have professional forwarder can arrange.
packaging:10pcs in a carton case,then 5pcs carton case in a wooden cases.
pre-sale:according to customer inquiry,provide our nsider rock information,price market.calulate freight cost.
after-sale:update the goods process,let customer know the goods any time.no matter what question about the goods,can contact with us.
henan zhongmei drill tool co.,ltd,which is a private enterprise,specializes in drilling tools,integrating research and development,production,marketing,and sincere service.our company is located in zhengzhou city,henna province.
mainly produce diamond bit,button bit,caross bit,drill rod series,drill tool.
delivery time:general after make sure order,1-10days can send goods.
payment:LC,TT,western union
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