T76 Self-Drilling Anchor Systems

Self-drilling anchor system is a type of ground anchor used to provide stability in soil or rock formations. For application in soil nailing, rock bolting, micro-pipling, tunneling, mining and infrastructure.

Description

T76 Self-Drilling Anchor Bolt

Size		O.D (mm)	I.D (mm)	Sectional Area (mm²）	Ultimate Load （kN）	Yield Load （kN）	Agt	Weight (kg/meter)
T76	T76N-49	76.0	49.0	2100	1600	1200	＞6%	16.5
T76	T76S-45	76.0	45.0	2420	1900	1500	＞6%	19.0
Thread direction		Left hand
Thread standard		International standards

T76 Self-Drilling Anchor Coupler

Thread size	Length(mm)	Out Diameter(mm)	Unit Weight(kg）
T76	220.0	95.0	4.7
Steel grade	As per request
Thread direction	Left hand
Thread standard	International standards
Hardness (HRC)	HRC25 ~ HRC30
Features	All are designed with middle stop, O rings are availables as per request.

T76 Self-Drilling Anchor Nuts

Size	SW (mm)	L (mm)	Unit Weight (kg)
Hexagonal Nut
T76	100	80	2.80
Spherical Nut
T76	100	90	3.20
Steel grade	As per request
Thread direction	Left hand
Thread standard	International standards
Hardness (HRC)	HRC25 ~ HRC30
Features	All nuts are machined and with chamfered edges to suit both domed plates and solid plates.

Self-Drilling Anchor Bits

	EX	All steel cross bit for loose to medium dense ground formations.
	ES	Hardened button bit for weak cemented soil/sands and weak fractured rock formations.
	EC	Hardened arch bit for loose to dense soil or sand formations.
	EY	Hardened three-cutters bit for weak cemented soil/sand and weak fractured rock formations.
	EXX	TC cross bit for medium to strong fractured rock formations.
	ESS	TC button bit for strong fractured rock formations.
	ECC	TC arch bit for medium fractured rock formations.
	EYY	TC three cutters bit for medium fractured rock formations.

Bit Matrix
Dia.	42	51	76	90	100	115	130	150	175	220	250	280	300	350
T76					√	√	√	√	√

Thread standard	ISO10208 / ISO 1720 / International standard
Thread direction	Left Hand / Right Hand
Hardness	HRA87 ~ HRA90 for TC bits, HRC48 ~ HRC55 for all steel bits

Self-Drilling Anchor Plate

Size	Solid Plate
Size	A x A x B (mm)	D (mm)	Weight (kg)
T76	250 x 250 x 60	80	27.0
Note	Other dimensions are available upon request.

Self-Drilling Centralizer

Size	Outside Diameter (mm)	Unit Weight (kg)
T76	130	1.00

T76 Self-Drilling Anchor System Applications

The T76 Self-Drilling Anchor System is a robust and highly efficient solution used for a variety of geotechnical and civil engineering applications, particularly in unstable and challenging ground conditions. Its design allows for the simultaneous execution of drilling, grouting, and anchoring, which significantly streamlines the installation process and enhances project efficiency. The T76 system, with its T-thread design and high load capacity, is a go-to choice for projects where strong and reliable ground support is critical.

Tunneling and Mining: The T76 system is widely used for pre-support, face stabilization, and rock bolting in tunneling and mining operations. It provides essential support in fractured or loose rock formations, ensuring the safety of workers and the integrity of the excavation.
Soil Nailing and Slope Stabilization: This system is ideal for reinforcing slopes and preventing landslides. T76 self-drilling anchors are installed in a grid pattern to create a reinforced soil mass that effectively resists ground movement and erosion.
Foundation and Micropiling: The T76 anchors can be used as micropiles to reinforce the foundations of new and existing structures. They are also employed for underpinning projects, providing a stable and reliable foundation in areas with poor load-bearing soil.
Retaining Walls and Infrastructure: In the construction of retaining walls, bridges, and other large-scale infrastructure projects, the T76 system is used to provide strong ground anchors that resist lateral earth pressures and ensure long-term structural integrity.