Low pressueDTH Hammers

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Chongqing Spring Tech And Trade Co., Ltd

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Technical parameters/moder numer	CST80xD	CST90	CST0-1	CST110	CST150	CST170
Drilling diameter (mm)	¢80-90	¢90-130	¢90-130	¢110-150	¢150-185	¢170-250
Hammer length (mm)	735	796	796	838	908	1023
External diameter (mm)	¢74	¢80.2	¢80	¢96	¢137	¢156
Weight (kg)	17	20	20	30	75	90
Working pressure	0.5-0.7	0.5-0.7	0.5-0.7	0.5-0.7	0.5-0.7	0.5-0.7
Air consumption(m³/min)	5.5	6	5.5	11	17	19.5
Torque (N•M)	85	110	120	180	340	420
Impact frequency	>=800	>=820	>=820	>=830	>=500	>=790
Connection thread	outer API2-3/8	outer special M48x10x2	outer special M48x10x2	inside API3/8	inside special 76x10x3	outer special M100x 28x10
Connection thread	¢49-6	¢54-6	¢54-6	¢65-6	¢90-6	¢98-6
Bit shank	SPM80xD-90	SPM90-90/100/105/110/120 /130	SPM90-90/100/105/110/120 /130	SPM110-110/115/120/125/130/135/140 150	SPM150-155/165/170/175/185 /200	SPM170-175/185/195/200/210/220/230 230/240/250

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