DTH hammer

3.5 inch Numa DTH hammers

Hammer Size: 3.5” to33”
Product description: 3.5 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 Pa
INQUIRY Email Whatsapp

Numa 3.5" Hammer Series

Hammer	Patriot 35A
Bit Shank	C35/3.5
Recommended Bit Size (inches)	31⁄2 - 41⁄8"
Outside Diameter (inches)	31⁄8"
Hammer Weight (pounds)	46
Hammer Length Shoulder to Shoulder (inches)	28 5⁄8"
Backhead Connection	2 3⁄8 API Reg Pin
Blows/Min @ psi	1750 @ 350

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.