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R32N Self Drilling Steel Anchor Bolts Anti Corrosion 200KN - 8000KN Capacity

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R32N Self Drilling Anchor System with Anchor Bar,Nut, Plate,coupling and drill bit ,

Anti Corrosion

Anchor bolt

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

it consistsof rod, drill bit,coupling, plate, grouting stopper and nut. It has been widely used in tunnling,

mining,slope stabilization, tunneldiseasestreatment 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 Grouting Anchor Bolt:

Hollow design, implement the grouting tube function, avoid the mortar loss when the traditional grouting

tube pulled out.Grouting full, and can achieve the pressure grouting to improve project quality.

Center is good, mortor can wrap the bolt body together, so that it can avoid corrosion to achibe along

term supporting purposes.

Easy installation, without onsite processing of threads. It can be easily installed an plate, nut.

Selt-Drilling Anchor Bolt Description

It may bodies drilling, grouting and anchoring as a whole.

It has a wide specifications. Diameter:25-130mm.

Qucik and easy construction, high efficiency.

Used invious surrounding rocks.

Anchor Bolt

	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, Rp0.2 (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
Thread type (left-hand)	ISO10208				ISO1720		MAIT76 Standard
Steel grade	En10083-1 En10083-1(Alloy structure steel)
Steel grade	Compared to carbon steel, alloy structure steel has high anti-corrosion capacity and high mechanical.

Anchor Plate

Anchor Coupling

	R25N	R32N	R32S	R38N	R51L	R51N	T76N	T76S
Outside diameter(mm)	35	42	42	52	63	63	95	95
Length(mm)	120	145	160or190	180	180	200	200	200
Weight	0.45	0.7	0.75	1.4	1.7	1.9	6.4	6.4
	Machined steel coupling middle stop

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

Anchor Nut

	R25N	R32N	R32S	R38N	R51L	R51N	T76N	T76S
Key size(mm)	41	46	46	50	75	75	100	100
Length(mm)	135	45	45	55	70	70	80	80
Weight(kg/pc)	0.25	0.35	0.35	0.5	1.55	1.55	3.6	3.6
	Machined steel nut or casting steel nut

T-Thread Anchor Bolt Technial Data