Taper button bit as small hole bit is different with thread button bit as long hole bit to use taper rod to be used for air leg or hand held jack hammer driller in quarrying,and mining.
Weight:37kg | Rammer dia :57mm | Impact frequency:18. 3Hz;RB777 jack hammer is a pneumatic tool for chipping or breaking concrete or stone in mining and construction work.
Weight:7.2kg | Piston diameter:35mm | Impact rate:1250 blows/min | The pneumatic breaker TCA-7 is a rugged and lightweight air tool intended for light to medium construction work and plant maintenance
Weight17kg | Piston Diameter44mm | Percussive Frequency B.P.M:1050;B37 is a well received air powered tool on the market due to its stable performance and competitive price.
weight:21.5kg | Piston diameter:47.6mm | Impact rate:1400 blows/min,B47 integrates the most useful features of similar products available on the market, and it uses compressed air to drive the piston