5 inch SD5 DTH hammers for crawler blast hole drilling rig

  • Brief info:5 inch SD5 DTH hammers for crawler blast hole drilling rig, US $ 1,000 - 3,000 / Piece, Hunan, China, SOLLROC, DTH hammers.Source from Changsha Sollroc Engineering Equipments Co., Ltd. on Alibaba.com.
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Features
Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
 
 
 
 
 
 
HSD5 DTH hammer
 

shank

SD5

Length(less bit)

1175mm

External diameter

125mm

Top sub thread

API 3 1/2”REG

Weight(less bit)

72.5kg

Hole range

135mm-155mm

Working pressure

1.0-2. 5Mpa

Impact rate at 1.4Mpa

25Hz

Recommended rotation speed

20-35r/min

1.0Mpa

9m³/min

Air consumption     1.8Mpa

15m³/min

2.4Mpa

23m³/min