HEMTECH

Precision • Durability • Support

KSN490 23″ DTH Hammer with NUMA240 Shank

WILDCAT-series 23-inch down-the-hole hammer built with the NUMA240 shank, part of the HEMTECH DTH Hammer Systems line for foundation, water well, and mining/exploration drilling. Hammer Specifications – Length (w/o drill bit): 73.18″ / 1,859 mm– Outside diameter: 19.29″ / 490 mm– Weight: 4,656 lbs / 2,112 kg– Piston weight: 715 lbs / 324.3 kg– Hole […]

WILDCAT-series 23-inch down-the-hole hammer built with the NUMA240 shank, part of the HEMTECH DTH Hammer Systems line for foundation, water well, and mining/exploration drilling.

Hammer Specifications

– Length (w/o drill bit): 73.18″ / 1,859 mm
– Outside diameter: 19.29″ / 490 mm
– Weight: 4,656 lbs / 2,112 kg
– Piston weight: 715 lbs / 324.3 kg
– Hole size range: 23″ ~ 29″ / 584 ~ 737 mm
– Connection: Hexagon 240H

Application

Matched to NUMA240-pattern drill rigs for reliable percussion drilling performance across the rated hole size range.