Pr52r RC Drill Bit for Reverse Circulation DTH Hammer

• Certification：ISO 9001:2008
• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Alloy Steel
• Mining Type：Mining
• Advantage：High Performance

=== Base Info ===

• Color：Per Request
• Transport Package：Ply-Wood Case for Safe Delivery
• Specification：3inch to 5.5inch
• Trademark：Super Diamond
• Origin：China
• HS Code：8412310090
• Production Capacity：50, 000PCS , Year

=== Description ===

Part No

mm

inch

Gauge Buttons

Front Buttons

136

5 3/8

8 x 16mm

6x16+3x14

35

2

134

19.0

PR54-136

140

5 1/2

8 x 16mm

6x16+3x14

35

2

138

19.3

PR54-140

143

5 5/8

8 x 16mm

6x16+3x14

35

2

141

19.5

PR54-143

146

5 3/4

8 x 16mm

6x16+3x14

35

2

144

19.6

PR54-146

Reverse Circulation Hammer specifications:
1) 3" RC hammers: RE531,
2) 4'' RC hammers: RE004, RE004R,
3) 4.5" RC hammer: RE542, RE543,
4) 5'' RC hammer: RE545, PR40,
5) 5.5" RC hammer: RE547, PR52, PR54, RC45, AD670
6) other sizes could be made by clients' request.HammerBit ShankHole Range (mm)External Diameter (mm)Length (without bit) (mm)WeightConnection ThreadWorking PressureRE531RE53184-100811069293" Remet1.0-3.0MpaRE004RE004111-1271071252523.5"-4" Remet / 4" Metzke1.0-3.0MpaRE542RE542113-130109.51191573.5"-4" Remet / 4" Metzke1.0-3.0MpaRE543RE543120-1351161191623.5"-4" Remet / 4" Metzke1.0-3.0MpaRE545RE545122-135117.51261654"-4.5"Remet / 4"-4.5"Metzke1.5-3.5MpaRE547RE547130-146124.51270714.5"Remet / 4.5"Metzke1.5-3.5MpaPR40PR40124-142120.5136280.53.5"-4.5"Remet / 3.5"-4.5"Metzke1.5-3.5MpaPR52PR52126-142121122768.54"-4.5"Remet / 4"-4.5"Metzke1.5-3.5MpaPR52RPR52/PR52R130-1461241225654"-4.5"Remet / 4"-4.5"Metzke1.5-3.5MpaPR54PR54135-150130129484.54.5"Remet / 4.5"Metzke1.5-3.5MpaRC45RC45130-146124.51298714.5"Remet / 4.5"Metzke1.5-3.5MpaAD670AD670135-1501321339904.5" Remet / 4.5" Metzke1.5-3.5Mpa

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