R51 Self Drilling Anchor Bolt System

• 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
• Model NO.: R51
• Trademark: sollroc
• Origin: Changsha, Hunan
• HS Code: 82071300
• 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
R51L/1	51	37.5	550	450	5.6	ISO 10208
R51L	51	36	550	450	7.0	ISO 10208
R51N/1	51	34	800	630	7.5	ISO 10208
R51N	51	32	800	630	8.5	ISO 10208

 
Anchor Coupler

Size	Outer Dia. (mm)	Length (mm)	Weight (Kg)	Thread
R51L	63	140	1.32	ISO 10208
R51L	63	170	1.70	ISO 10208
R51N	63	200	1.90	ISO 10208
R51N	63	220	2.00	ISO 10208

 
Anchor Nut

Size	Type	Key Size (mm)	Length (mm)	Weight (Kg)
R51	Hex Nut	75	70	1.58
R51	Domed nut	75	70	1.70

 
Anchor Plate

Size	Type	Dimension (mm)	Thickness (mm)	Hole Dia. (mm)	Weight (Kg)
R51L	Flat Plate	150*150	40	56	6.20
R51L	Flat Plate	200*200	30	60	10.50
R51N	Flat Plate	180*180	45	50	8.72
R51N	Flat Plate	250*250	40	60	18.90

 
Centralizer

Size	Outer Dia. (mm)	Length (mm)	Weight (Kg)
R51	91	30	0.32

 
Drill Bit

Type	Size	Diameter (mm)
EX	R51	ø100, ø110, ø115, ø130
EXX	R51	ø90, ø100, ø115
ES-F	R51	ø100, ø115
ESS-F	R51	ø76, ø100, ø115, ø130, ø150
Clay Bit	R51	ø115, ø130, ø150
ES-D	R51	ø115
EC	R51	ø115
XX	R51	ø130, ø150

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