Product Details

Anchor bolt

Anchor bolt means a rod that transfers the structures or geotechnical load to a stable rock

formations, it consists of rod, drill bit, coupling, plate, grouting stopper and nut. It has been

widely used in tunnling, mining, slope stabilization, tunneldiseases treatment and roof supporting

of undergroundworks. It is for loose ground(clay, sand friable etc.) Hollow anchor rod is made of

seamless tube with high strength.

Features of hollow grounting anchor bolt

• Particularly suitable for difficult ground conditions.

• A high rate of installation since drilling, placing and grouting can be performed in one single operation.

• Self drilling system eliminates the requirement for a cased borehole.

• Installation with simultaneous drilling and grouting possible.

• Easy installation in all directions, also upwards.

• Suitable for working in limited space, height and in areas of difficult access.

• Simple post grouting system. • Hot-dipped galvanizing for corrosion protection

Applications in Tunneling & Ground Engineering

• Radial bolting

• Slope stabilization

• Forepoling

• Micro injection pile

• Face stabilization

• Temporary support anchor

• Portal preparation

• Soil nailing

Self-Drilling Anchor Bolt Description


	R25N	R32N	R32S	R38N	R51L	R51N	T76N	T76S
Outside Diameter (mm)	25	32	32	38	51	51	76	76
Internal Diameter (mm)	14	19	16	19	36	33	52	45
Ultimate Load Capacity (kN)	200	280	360	500	550	800	1600	1900
Yield Load Capacity (kN)	150	230	280	400	450	630	1200	1500
Tensile Strength, Rm (N/mm2)	800	800	800	800	800	800	800	800
Yield Strength, Rp0.2 (N/mm2)	650	650	650	650	650	650	650	650
Weight (Kg/m)	2.3	3.2	3.6	5.5	6.5	8.0	16.0	19.7
Steel Grade	EN10083-1 (Alloy Structure Steel)
Steel Grade	Compared to carbon steel, alloy structure steel has high anti-corrosion capacity and high mechanical.

Drill Bit

	R25N	R32N	R32S	R38N	R51L	R51N	T76N	T76S
diameter(mm)	41,51	51,76,90		90,100,110,115,130			130,150,160,180,200
Hardened cross bit (EX)	Hardened cross bit for loose to medium dense condition with small boulders.
Tungsten cross bit (EXX)	TC cross bit for soft to medium rock for mations
Hardened button bit (ES)	Hardened buuton bit for unconsolidated rock with boulders.
Tungsten carbon button bit (ESS)	Button bit with TC inserts for medium rock for formations.
Hardened arch bit (EC)	Hardened drill bit with optimized geometry for unconsoliddated soil with small boulders.
Tungsten carbon arch bit (ECC)	TC drill bit with optimized geometry for soft to medium rock formations.
Hardened drop center bit (EY)	Hardened cross bit for loose to medium dense ground conditions
TC drop center bit (EY)	TC drill bit for soft to medium rock formations.
Casting clay bit (EW)	Casting clay bit with optimized geometry for very soft to soft caly.
Machined steel bit or Casring steel bit

T-Thread Anchor Bolt Technial Data

Bar Type	Outside Diameter (mm)	Inside Diameter (mm)	Cross section (mm2)	Ultimate Load KN	Yield Point KN	Weight (kg/m)	Thread Left/ Right Hand
30/11	30	11	446	320	260	3.3	Lift or right
30/14	30	14	395	260	220	2.9	Lift or right
30/16	30	16	382	220	180	2.7	Lift or right
40/16	40	16	879	660	525	7.0	Lift or right
40/20	40	20	726	539	430	5.6	Lift or right
52/26	52	26	1337	929	730	10.0	Lift or right
73/53	73	53	1160	1630	970	12.3	Lift or right
73/56	73	56	1094	1414	785	11.1	Lift or right
73/45	73	45	2265	1630	1180	17.8	Lift or right

Company Information

KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.