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SC90NK-QL DTH Hammer

SC90NK-QL hammer shank: QL80 no footvalve Air pressure: 10-25 bar / 145-363 PSI Regular drill bit diameter: 216mm, 219mm, 229mm, 235mm, 245mm, 254mm
  • SC90NK-QL

  • SOLLROC

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Product Description

Overview

SC90NK-QL DTH hammer is SOLLROC "NK" series ("N" for no footvalve and "K" for high penetration hammer for mining) and widely used for varies applications, including construction drilling, geothermal drilling, quarry drilling.

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

SC90NK-QL

Bit shank

QL80 no footvalve

Top sub thread

API 4 1/2" REG

Length (less bit)

1363mm (54 in)

External diameter

203mm (8 in)

Weight (less bit)

230kg (508lbs)

Impact rate at 17 bar

25HZ

Hole range

216mm-275mm (8.5 in -10.8 in)

Working pressure

10-25 bar (145 - 363 PSI)

Speed recommended

20-45 rpm

Pull force recommended

19 KN

Drill bits

Dia

Button configuration
Qty x dia.

Bit design

Weight
(kg)

Part number

Metric

Inch

Guage button

Front button

216mm

8 1/2"

Ф18mm*10

Ф18mm*8, Ф16mm*6

Concave face

54.3

SC90NK-QL-216CC

219mm

8 5/8"

Ф18mm*10

Ф18mm*8, Ф16mm*6

Concave face

54.8

SC90NK-QL-219CC

229mm

9"

Ф18mm*12

Ф18mm*12, Ф16mm*7

Concave face

56.4

SC90NK-QL-229CC

235mm

9 1/4"

Ф18mm*12

Ф16mm*12, Ф16mm*7

Concave face

57.4

SC90NK-QL-235CC

245mm

9 5/8"

Ф19mm*12

Ф16mm*12, Ф16mm*8

Concave face

61.5

SC90NK-QL-245CC

254mm

10"

Ф19mm*12

Ф16mm*18, Ф18mm*8

Concave face

62

SC90NK-QL-254CC

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No.55 Jiucaiyuan, Wenyi road, Furong District, 410001, Changsha, Hunan, China

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