R38 Self Drilling Anchor Bolt System

• Customization: Available
• After-sales Service: Yes
• Warranty: Yes
• Model NO.: R38
• Sizes: 2 Inch to 3 Inch
• Model: R25 R32 R38 R51 T40 T76
• Color: as Request
• Quantity: Small Quantity Is Acceptable
• Transport Package: Cartons + Ply-Wooden Cases for Exporting
• Specification: Grade A
• Trademark: sollroc
• Origin: Changsha, Hunan
• HS Code: 82071990
• Production Capacity: 50000 Per Month

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.

Application
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.
 
Features
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.
          
Specification

Size	Outer Dia. (mm)	Inner Dia. (mm)	Ultimate Load (KN)	Yield Load (KN)	Weight (Kg/m)	Thread
R38N/1	38	22.5	500	400	4.8	ISO 10208
R38N/2	38	21	500	400	5.5	ISO 10208
R38N	38	19	500	400	6.0	ISO 10208
R38S/1	38	18	550	430	6.2	ISO 10208

 
Anchor Coupler

Size	Outer Dia. (mm)	Length (mm)	Weight (Kg)	Thread
R38N	51	220	1.70	ISO 10208

 
Anchor Nut

Size	Type	Key Size (mm)	Length (mm)	Weight (Kg)
R38	Hex Nut	50	50	0.39
R38	Hex Nut	50	60	0.47
R38	Domed Nut	52	60	0.70

 
Anchor Plate

Size	Type	Dimension (mm)	Thickness (mm)	Hole Dia. (mm)	Weight (Kg)
R38N	Domed Plate	200*200	12	41	3.60
R38N	Domed Plate	150*150	8	41	1.38
R38N	Flat Plate	140*140	35	41	5.00
R38N	Flat Plate	200*200	12	41	3.60

 
Drill Bit Adapter

Hollow Anchor Bar	Drill Bit	Length (mm)	Weight (Kg)
R38N	51	68	0.41

 
Centralizer

Size	Outer Dia. (mm)	Length (mm)	Weight (Kg)
R38	78	30	0.30

 
Drill Bit

Type	Size	Diameter (mm)
EX	R38	ø76, ø90, ø100
EXX	R38	ø76, ø90
ES-F	R38	ø76, ø90
ESS-F	R38	ø90, ø115
Clay Bit	R38	ø90, ø100, ø110, ø130, ø150
EY	R38	ø76
EYY	R38	ø76, ø90
XX	R38	ø110, ø130

Product photo

 

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.

Package
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