The products includes button bits,drill rods and coupling sleeves.the button bits can bears to corrupt, geometry structure is reasonable, get rid of the powder is effective.

Drill rod and shank adaptors are fully carburized, the product have rectify straight exacted, resist strong fatigue ,don’t bent and break, bear to corrupt.The rock tools have a good fit with thread ,with high wearing resistance.The products quality arrives international level. they have more advantage in the cost per meters.So far , eighty per cent of the products is exports to the international market, LINAHUASHNA ROCK TOOLS CO.;LTD.(LHS) is the biggest business enterprise about the export in China

The type of the button bits:

R3212 、R25、R28、R32、R38、T38、T45、T51、ED68、ST58。

R3212,R25,R28,R32,R38,T38,T45,T51,ED68,ST58.

The diameter is from the Φ 38 mms~Φ 178 mms.

Type of drill rods:

R3212、R25、R28、R32、R38、T38、T45、T51、ST58。

R3212,R25,R28,R32,R38,T38,T45,T51,ST58.

The length from L=0.6 Ms to 6.1 Ms.

All kinds of drill rods, extension rod drifter rod MF Rod and drill tube etc.

The type of coupling sleeves:

The length from L=150 mms to 210 mms, same diameter and different diameter coupling sleeves and  various way of join.

The type of shank adaptor:

They can fit various drifters, more than 70 serieses are totally several hundreds pecifications.