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RC hammers or Reverse Circulation Hammers PR54 for exploration

Created on:2026-04-11 16:36

ROSCHEN has over 20 years to produce RC hammer, these years ROSCHEN also update the technology continuously and will supply the latest innovation about the RC Hammer. ROSCHEN drilling tool RC hammer is the perfect solution for those tough rock ,it is more efficiently and cost-effectively.

Here are some of the benefits of the Drilling RC Hammer:

Drilling Efficiency

 RC Hammers have a higher penetration rate, which means they can drill faster and with less energy. This translates into increased productivity and reduced drilling costs.

RC Hammer technology allows for more efficient drilling compared to conventional drilling tools.

Application Versatility

RC Hammers adapts to all types of soil and drilling conditions, and they are versatile and can be used for a wide variety of drilling applications, including mineral exploration, construction, geotechnical engineering, and oil and gas extraction.

Higher perforation quality

The tool features a strong and durable drilling head that ensures straight and precise drilling. ROSCHEN Drilling RC Hammers are designed to provide higher quality drilling. In addition, high-quality tungsten carbide buttons offer greater wear resistance and longer life.

Sustainability in drilling

ROSCHEN commit to be sustainability at all of our operations, and the RC Hammer is no exception. These drilling tools require less energy to operate, which reduces carbon dioxide emissions and environmental impact. In addition, the regional manufacturing of RC Hammers reduces delivery time and reduces the carbon footprint associated with transportation. If you’re looking for an efficient and cost-effective drilling solution, ROSCHEN RC Hammers are a great choice.

5.5" RC Hammer-PR54 Parts List

Item

Description

Part Number

1

Top sub

PR54-01

2

O ring

PR54-02

3

Adaptor screen

PR54-03

4

Airscreen

PR54-04

5

O ring

PR54-05

6

Circlip

PR54-06

7

Plunger

PR54-07

8

Y ring

PR54-08

9

Spring

PR54-09

10

Make up ring steel

PR54-10

11

Viton make up ring

PR54-11

12

Distributor

PR54-12

13

O ring

PR54-13

14

O ring

PR54-14

15

O ring

PR54-15

16

Sample tube

PR54-16

17

O ring

PR54-17

18

Mount sample tube

PR54-18

19

Inner cylinder

PR54-19

20

Piston

PR54-20

21

Piston case

PR54-21

22

Piston retaining ring

PR54-22

23

Bush drive sub

PR54-23

24

O ring

PR54-24

25

O ring

PR54-25

26

Bit retaining ring

PR54-26

27

O ring

PR54-27

28

Shroud

PR54-28

29

Drive sub

PR54-29

30

Drill bit

PR54-30

 

Lenght(less bit)

Weight (Less bit)

External Dia.

Bit Shank

Hole Range

Connection Thread

1294 mm

84.5 kgs

Ø130 mm

PR54

Ø135 ~ 150 mm

4.5" Remet                             4.5" Metzke

Working Pressure

Impact Rate at 2.4MPa

Recommended Rotation Speed

Air Consumption

200 ~ 500 (PSI)

1.5 ~ 3.5 MPa

35 Hz

25 ~ 40r/min.

300 ~ 1200 (CFM)

 

Hammer ROS RE 531 ROS RC3.5 ROS RE004 ROS RE542 ROS RE543 ROS RE545 ROS RE040 ROS PR52 ROS PR54 ROS RC50
Top sub thread R3" R3" R3.5" R4" M4" R3.5" R4" M4" R4" M4" M4.5" R4.5" M4" R4" M4.5" R4.5" M4.5" R4.5" M4.5" R4.5" M4.5"
Package case (L)1100 (L)1230 (L)1300 (L)1230 (L)1260 (L)1300 (L)1300 (L)1300 (L)1330
size, mm (W)110 (W)120 (W)150 (W)140 (W)150 (W)150 (W)160 (W)160 (W)160
  (H)120 (H)150 (H)180 (H)170 (H)180 (H)180 (H)190 (H)190 (H)190
Recommended 86-100 100-110 111-125 113-133 123-140 127-140 133-143 136-146 136-146
bit size, mm
Bit shank RE531 RC3.5 RE004 RE542 RE543 RE545 RE040 PR52 PR54 RC50
External 81 94 107 109.5 116 117.5 121 120.5 130 132
diameter, mm
Length excl. 1069 1184 1252 1191 1261 1210 1227 1294 1200
thread, mm
(Less bit)
Hammer 29 44 52 57 63 65 53.8 47.5 69.4 69.4 68.5 84.5 81.8
weight, kg
(Less bit)
Piston 4.8 8.3 10.5 11.6 11.6 13.5 13.6 14.3 17 17
weight, kg
Wrench No (L)82 (L)90 (L)90 (L)90 (L)95 (L)95 (L)95 (L)95 (L)95 (L)102 (L)102 (L)94 (L)94 (L)94 (L)94 (L)94 (L)94 (L)100 (L)100 (L)95
flat, mm Wrench (W)40 (W)45 (W)45 (W)45 (W)45 (W)45 (W)50 (W)45 (W)50 (W)50 (W)50 (W)50 (W)50 (W)50 (W)50 (W)50 (W)50 (W)50 (W)50 (W)51
  Flat                                        
Drilling conditions and project specifications may require larger air packages to be used