DTH Hammers & Bits I

Our Hi-Top Down-The-Hole hammers stand out with simple design for long life time and easy maintenance as well as with excellent performance and competitive prices. Together with a wide range of drill bits for various rock conditions and applications we provide drilling solutions for a diameter range from 3 to 42 inch. In addition we supply all kinds of drill rods with screw, hexagon or bolt joints also for RCD applications.

Small Size Hammers & Bits
Model	Size	Hammer O.D	Length	Weight	Recommended Bit Size O.D	Connection
	in	mm	mm	kg	mm
HT3	3	76	1019	28	89~101	2 3/8 API Reg Pin
HT4	4	93	1049	42	101~127	2 3/8 API Reg Pin
HT5	5	116	165	65	127~152	3 1/2 API Reg Pin
HT6	6	139	1179	95	152~202	3 1/2 API Reg Pin
HT7	7	148	1145	107	165~202	3 1/2 API Reg Pin
HT8	8	181	1349	199	202~254	4 1/2 API Reg Pin
HT10	10	245	1430	325	250~380	API 6 5/8 Reg Pin HEX Joint

Medium Size Hammers & Bits
Model	Size	Hammer O.D	Length	Weight	Recommended Bit Size O.D	Connection
	in	mm	mm	kg	mm
HT12	12	270	1783	630	300~445	API 6 5/8 Reg Pin HEX Joint
HT14	14	320	1828	910	355~510	API 6 5/8 Reg Pin API 7 5/8 Reg Pin HEX Joint
HT15	15	350	1885	1100	445~560	API 7 5/8 Reg Pin
HT16	16	370	1859	1240	445~610	API 8 5/8 Reg Pin HEX Joint
HT18	18	410	1952	1480	460~650	API 8 5/8 Reg Pin
HT20	20	480	1945	2071	535~770	API 8 5/8 Reg Pin

Large Size Hammers & Bits
Model	Size	Hammer O.D	Length	Weight	Recommended Bit Size O.D	Connection
	in	mm	mm	kg	mm
HT-520	24	520	2321	3016	610~830	API 8 5/8 Reg Pin or 240 HEX Joint
HT-550	26	550	2200	3216	610~830	API 8 5/8 Reg Pin or 240 HEX Joint
HT-640	32	640	1839	3570	775~975	240 HEX Joint or 300 HEX Joint
HT-800	42	800	1900	5540	975~1200	360 HEX Joint

We reserve the right to change technical specifications without prior notice.