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RC hammers or Reverse Circulation Hammers PR52 for exploration

Created on:2026-04-11 15:37

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-PR52 Parts List

Item

Description

Part Number

1

Top sub

PR52-01

2

O ring

PR52-02

3

Adaptor screen

PR52-03

4

Airscreen

PR52-04

5

O ring

PR52-05

6

Circlip

PR52-06

7

Plunger

PR52-07

8

Y ring

PR52-08

9

Spring

PR52-09

10

Make up ring steel

PR52-10

11

Viton make up ring

PR52-11

12

Distributor

PR52-12

13

O ring

PR52-13

14

O ring

PR52-14

15

O ring

PR52-15

16

Sample tube

PR52-16

17

O ring

PR52-17

18

Mount sample tube

PR52-18

19

Inner cylinder

PR52-19

20

Piston

PR53-20

21

Piston case

PR52-21

22

Piston retaining ring

PR52-22

23

Bush drive sub

PR52-23

24

O ring

PR52-24

25

O ring

PR52-25

26

Bit retaining ring

PR52-26

27

O ring

PR52-27

28

Shroud

PR52-28

29

Drive sub

PR52-29

30

Drill bit

PR52-30

 

Lenght(less bit)

Weight (Less bit)

External Dia.

Bit Shank

Hole Range

Connection Thread

1230 mm

68.5 kgs

Ø121 mm

PR52

Ø126 ~ 150 mm

4" ~ 4.5" Remet                             4" ~ 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