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SC50NKS-DHD DTH Hammer No Footvalve

Material: quality alloy steel
SC50NKS-DHD hammer shank: DHD340A / COP44 / DHD4 / Terranox 4
Air pressure: 10-25 bar / 145-363 PSI
Regular drill bit diameter: 120mm, 125mm, 127mm, 130mm, 135mm, 140mm
Color: optional
Package: plywood case per each hammer
MOQ: one pc
Customized: Yes

  • SC50NKS-DHD
  • SOLLROC
Quantity:

Product Description

Overview

SC50NKS-QL DTH hammer is SOLLROC "NKS" series hammer ( high penetration series, No footvalve and slim out cylinder) specialized in mine blast hole drilling.

It is a interim model between 4 inch and 5 inch hammer. It can work with smaller size bit like 4 3/4" (120mm) which regular 5 inch hammer can not work with.

SC50NKS-QL DTH hammer 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

SC50NKS-DHD

Bit shank

DHD340A / COP44 / DHD 4

Top sub thread

API 2 3/8" REG

Length (less bit)

858mm (33.8 in)

External diameter

110mm (4.34 in)

Weight (less bit)

43.6kg (96lbs)

Impact rate at 17 bar

35HZ

Hole range

120mm-146mm (4.7 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

120mm

4 3/4"

Ф18mm*7

Ф13mm*3,Ф14mm*4

Convex face

8.5

SC50NKS-DHD-120CV

125mm

4 15/16"

Ф16mm*8

Ф13mm*3,Ф14mm*4

Convex face

8.8

SC50NKS-DHD-125CV

127mm

5"

Ф18mm*8

Ф13mm*7

Flat face

8.9

SC50NKS-DHD-127FF

130mm

5 1/8"

Ф18mm*8

Ф14mm*7

Flat face

9.1

SC50NKS-DHD-130FF

135mm

5 1/4"

Ф18mm*8

Ф13mm*8

Flat face

9.5

SC50NKS-DHD-135FF

140mm

5 1/2"

Ф18mm*8

Ф14mm*7

Flat face

9.9

SC50NKS-DHD-140FF


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

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