DTH hammer

12 inch Numa DTH hammers

Hammer Size: 3.5” to33”
Product description: 12 inch Numa DTH hammers has a policy of continuous improvement of DTH technology and engineering, which is achieved through a proactive research and development program. Their performance driven Patr
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Numa 12" Hammer Series

Hammer	Patriot 120	Challenger 120	Patriot 125	Challenger 125
Bit Shank	N11/N120	N11/N120	N125	N125
Recommended Bit Size (inches)	117⁄8 - 171⁄2"	117⁄8 - 171⁄2"	121⁄4 - 20"	121⁄4 - 20"
Outside Diameter (inches)	10 1⁄8"	10 1⁄8"	10 3⁄4"	10 3⁄4"
Hammer Weight (pounds)	1048	1212	1133	1434
Hammer Length Shoulder to Shoulder (inches)	66 3⁄4"	74"	66 3⁄4"	74"
Backhead Connection	6 5⁄8 API Reg Pin	6 5⁄8 API Reg Pin	6 5⁄8 API Reg Pin	6 5⁄8 API Reg Pin
Blows/Min @ psi	1300 @ 250	1300 @ 250	1150 @ 250	1150 @ 250

Numa DTH Hammer has a policy of continuous improvement of DTH technology and engineering, which is achieved through a proactive research and development program. Their performance driven Patriot, Champion, and Challenger hammer models offer one of the largest ranges of hammers available in the industry, capable of drilling holes from 3 1/2" to 43" in diameter.