Self Drilling Anchor Bolt/Hollow Bar Anchor for Soil Nail R25 Steel 40cr

• Application: Construction
• Certification: ISO
• Surface Treatment: Yes
• Technics: Hot Rolled
• Material: Steel
• Type: Rock Bolt
• Model NO.: R25
• Transport Package: Bundle
• Specification: R25, 32, 38, 51, T76
• Trademark: TOPMETAL
• Origin: China
• HS Code: 7308400000
• Production Capacity: 100000m

Product Description

Product Description

The product is composed by hollow anchor bar, anchor nut, anchor plate, anchor coupler, drill bit, centralizer, and the hollow anchor bars can be cut and lengthened by coupling on request. 

Application
Tunneling
Mining
Slope Stabilization
Foundation Support
Features
1. Hollow design, implementation of the grouting tube function, avoid the traditional grouting tube pulled out of the mortar caused by the loss. 
2. Grouting full, and can achieve the pressure grouting to improve project quality. 
3. Center is good, mortar bolt body length can be wrapped, to avoid corrosion, to supporting the long-term purposes. 
4. Easy installation, without on-site processing of threads, it can be easily installed an plate, nuts.
Drill bits, nut, plate and coupler, etc.will be accembled accordingly.

Product Parameters

Type	Outer Dia.(mm)	Inner Dia.(mm)	Ultimate Load(KN)	Yield Load(KN)	Weight(kg/m)
R25N	25	14	200	150	2.3
R32L	32	22	260	200	2.8
R32N	32	21	280	230	2.9
R32/18.5	32	18.5	280	230	3.4
R32S	32	17	360	280	3.5
R38N	38	21	500	400	4.8
R38/19	38	19	500	400	5.5
R51NL	51	36	550	450	6.3
R51N	51	33	800	630	8.0
T76N	76	51	1600	1200	16.5
T76S	76	45	1900	1500	19.7

Detailed Photos