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SC50NS-DHD DTH Hammer No Footvalve

Material: quality alloy steel
SC50NS-DHD hammer shank: DHD350R / COP54 / DHD5 / Terranox 5
Air pressure: 10-25 bar / 145-363 PSI
Regular drill bit diameter: 127mm, 130mm, 132mm, 135mm
Color: optional
Package: plywood case per each hammer
MOQ: one pc
Customized: Yes

  • SC50NS-DHD
  • SOLLROC
Quantity:

Product Description

Overview

SC50NKS-DHD DTH hammer is a interim model between 4 inch and 5 inch hammer. It can work with smaller size bit like 5" (127mm) which regular OD125mm 5 inch hammer can not work with.

It is proven by testing and using in many job sites for varies rock  conditions. It is used for varies applications, including mining, exploration, water well, geothermal, construction drilling and civil engineering.

Features

1、Valveless air distribution ensures smooth working.

2、Piston design and harden wear part ensure strong wear-resistance.

3、Minimize the energy loss, high penetration, lower air and oil consumption.

4、Fewer internal parts minimize the maintain and replace the part requirements.

Total parameter list

Model

SC50NS-DHD

Bit shank

COP54/DHD350R no footvalve

Top sub thread

API 2 3/8" / 3 1/2" REG

Length (less bit)

1100mm (43.8 in)

External diameter

116mm (4.6 in)

Weight (less bit)

56.3kg (124lbs)

Impact rate at 17 bar

30HZ

Hole range

127mm-146mm (5 in - 5.7 in)

Working pressure

10-25 bar

Speed recommended

30-60 rpm

Pull force recommended

9.0 KN

Drill bits


Dia

Button configuration
Qty x dia.

Bit design

Weight
(kg)

Part number

Metric

Inch

Gauge button

Front button

127mm

5"

Ф16mm*7

Ф13mm*3,Ф14mm*4

Convex face

14.3

SC50NS-DHD-120CV

130mm

4 1/8"

Ф16mm*7

Ф13mm*3,Ф14mm*4

Convex face

14.5

SC50NS-DHD-125CV

132mm

5 3/16"

Ф16mm*7

Ф13mm*3,Ф14mm*4

Convex face

14.6

SC50NS-DHD-127FF

132mm

5 3/16"

Ф16mm*7

Ф14mm*7

Flat face

14.6

SC50NS-DHD-130FF

135mm

5 1/4"

Ф18mm*7

Ф13mm*3,Ф14mm*4

Convex face

14.8

SC50NS-DHD-135FF

135mm

5 1/4"

Ф18mm*7

Ф14mm*7

Flat face

14.8

SC50NS-DHD-140FF


Call Us :
+86 731- 85551632
No.55 Jiucaiyuan, Wenyi road, Furong District, 410001, Changsha, Hunan, China

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