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Hammer & BIT

We, SUNGWON Heavy Machinery, have been manufacturing and supplying rock,
soil drilling equipment and tools of DTH Hammers, Hammer Bits and Auger
Machines in Korea.

  • Hammer & BIT
  • Small & Medium-sized

DTH Hammer Detail Specification

Small &

Medium-sized

4” DTH Hammer

SWH090D, SWH090M, SWH090Q, SWH090S

Hammer Model
Bit Shank
Type
SUNGWON
Atlas
Sandvik
Numa
 
Bit Dia. mm
Hammer Dia. mm
Cylinder
Bore
mm
Piston
Stroke
mm
Piston
Weight
Kgs
Length
(Less Bit)
mm
Weight
(Less Bit)
Kgs
Connection
Type
 
Air
Consumption
CFM(m3/min)
100 psi
7.0 Kg/cm2
150 psi
10.5 Kg/cm2
200 psi
14.0 Kg/cm2
250 psi
17.6 Kg/cm2
300 psi
21.0 Kg/cm2
350 psi
24.1 Kg/cm2
SWH090D SWH090M SWH090Q SWH090S
       
DHD340A   QL40  
  M40   SD4
       
       
105~127 105~127 105~127 105~127
98 98 98 98
78 78 78 78
100 100 100 100
9.96 9.96 9.96 9.96
1081 1081 1081 1081
45 45 45 45
API 2 3/8 Reg.Pin API 2 3/8 Reg.Pin API 2 3/8 Reg.Pin API 2 3/8 Reg.Pin
       
240(6.8) 290(6.8) 240(6.8) 240(6.8)
315(8.9) 315(8.9) 315(8.9) 315(8.9)
400(11.3) 400(11.3) 400(11.3) 400(11.3)
495(14) 495(14) 495(14) 495(14)
550(15.5) 550(15.5) 550(15.5) 550(15.5)