Self Drilling Hollow Bar Anchor for Soil Nail in Mining T76 Steel 40cr/45/Q345b

• Application: Construction
• Certification: ISO
• Surface Treatment: Yes
• Technics: Hot Rolled
• Material: Steel
• Type: Rock Bolt
• Model NO.: T76
• 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. It is one of the T-thread self-drilling hollow injection anchor bolt. It is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations.

 Features
1. Easy and similar operation principle for different rock mass and soil conditions.
2. Drilling, anchoring and grouting can be performed in one single operation.
3. Minor space requirement for the accomplishment of anchoring.
4. Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively. 
5. Anchor bars can be cut and lengthened on request, applying to narrow spaces.

Application
Road and railway construction and maintenance
Tunneling
Mining
Foundations
Avalanche protection structures
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