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Aug 14, 2020 · since its beginning in 1985, numa has become a major manufacturer of dth hammers and bits for the domestic and international drilling industry. the company designs and builds downhole hammers and bits for drilling vertical and horizontal holes 3½ to 50½ inches (89 to 1,283 millimeters) in diameter. to learn more, visit www.numahammers.

T51 drill rods , find complete details about t51 drill rods,rock drill steel rod,r screw drill rod,drill rod for sale from supplier or manufacturer-linqing city ruilong drill co., ltd.

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1/8 190-ag jobber drill bit. $1.05 each. 9/64 190-ag jobber drill bit. $1.12 each. 5/32 190-ag jobber drill bit. $1.21 each. 11/64 190-ag jobber drill bit. $1.29 each. 3/16 190-ag jobber drill bit.

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Dth Hammer Rods prices exporter from China, we're essentially the most qualified supplier from USA with ISO9001 Certification. Also the solutions have already been certified by mutiple safety certification.We'll offer you our Dth Hammer Rods prices priducts in top-quality and most favourable value.

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