Hammer

dth hammer Description

Bit Shank style

Thread

Piston Case

Effective length (mm)

Weight (kg)

Rec.hoie size (mm)

Working pressure bar

Applicable rock type

Shank style

Foot valve

Api Pin

D×L
mm×mm

DTH-3.5＂

DHD3.5

Without

2 3/8＂REG

Φ80×729

853

22

90-105

6-25

High frequency/energy-efficient Soft to medium rock

DTH-4＂

DHD340A

Without

2 3/8＂REG

Φ99×758

912

39

108-130

6-25

High frequency/energy-efficient Soft to medium rock

DTH-5＂

DHD350R

Without

2 3/8＂REG
3 1/2＂REG

Φ126×830

976

68

134-152

6-25

High frequency/energy-efficient Soft to medium rock

DTH-6＂

DHD360

Without

3 1/2＂REG

Φ144×967

1163

120

155-200

6-25

High frequency/energy-efficient Soft to medium rock

DTH-8＂

DHD380

Without

4 1/2＂REG

Φ180×1045

1312

188

200-305

6-25

High frequency/energy-efficient Soft to medium rock