Gold Member Since 2015
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Changsha Sollroc Engineering Equipments Co., Ltd.

R38 Self Drilling Anchor Bolt System, Self Drilling Anchor Bar, Self Drilling Rock Bolt manufacturer / supplier in China, offering R38 Self Drilling Anchor Bolt System, RC Drill Bits (PR40, PR52, PR54, RE004, RE542, RE543, RE545, RE547), Re052 Re054 Pr40 Pr52 Pr54 Reverse Circulation RC Bit and so on.

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Supplier Homepage Product Self drilling anchor bolt R38 Self Drilling Anchor Bolt System

R38 Self Drilling Anchor Bolt System

FOB Price: US $10-30 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10-30/ Piece
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Port: Shanghai, China
Production Capacity: 50000 Per Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: R38
  • Model: R25 R32 R38 R51 T40 T76
  • Quantity: Small Quantity Is Acceptable
  • Transport Package: Cartons + Ply-Wooden Cases for Exporting
  • Origin: Changsha, Hunan
  • Sizes: 2 Inch to 3 Inch
  • Color: as Request
  • Trademark: sollroc
  • Specification: Grade A
  • HS Code: 82071300
Product Description
About us:
We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.

1. R thread self drilling anchor bolt is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, backfill ground.
2. Used for permanent support for tunneling.
3. In slope stabilization, rock bolts and soil nails can be used to maintain and strengthen soil and rock.
4. Used for micro pile reinforcement. Micro pile can transmit structural load to foundation, and then limit the deformation of buildings.
5. Drill bits can be used for differently according to the rock conditions.
1. Casing free in the operation. Anchor bar is also a drill pipe which is convenient and time-saving.
2. Drilling and grouting can be done simultaneously. With good grouting spread radius and reliable anchoring quality, fractures can be filled effectively.
3. The anchor bar with standard full thread can be cut according to your requirement. The cut anchor bars can be connected by couplers. It's suitable in narrow work space.
4. Due to the continuous R-thread and T-thread, self drilling anchor bolt has higher bonding stress.

SizeOuter Dia.
Inner Dia.
Ultimate Load
Yield Load
R38N/13822.55004004.8ISO 10208
R38N/238215004005.5ISO 10208
R38N38195004006.0ISO 10208
R38S/138185504306.2ISO 10208
Anchor Coupler
SizeOuter Dia.
R38N512201.70ISO 10208
Anchor Nut
SizeTypeKey Size
R38Hex Nut50500.39
R38Hex Nut50600.47
R38Domed Nut52600.70
Anchor Plate
Hole Dia.
R38NDomed Plate200*20012413.60
R38NDomed Plate150*1508411.38
R38NFlat Plate140*14035415.00
R38NFlat Plate200*20012413.60
Drill Bit Adapter
Hollow Anchor BarDrill BitLength
SizeOuter Dia.
Drill Bit
TypeSizeDiameter (mm)
EXR38ø76, ø90, ø100
EXXR38ø76, ø90
ES-FR38ø76, ø90
ESS-FR38ø90, ø115
Clay BitR38ø90, ø100, ø110, ø130, ø150
EYYR38ø76, ø90
XXR38ø110, ø130

Product photo:
R38 Self Drilling Anchor Bolt System
R38 Self Drilling Anchor Bolt System

Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time:
Generally need 15-25 days

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Mr. Steven Shi
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