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1.Hot dip galvanized expansion shell anchor rod ., 2.It can make high piling outputs possible., 3.The quality is stable., 4.CE. - details see: https://www.machineto.com/sinorock-hot-dip-galvanized-expansion-shell-anchor-rod-10317157

The self-drilling rock bolt

The self-drilling rock boltis used to stablize unstable soil formation.The unconsolidated or weathered ground conditions favor this technique for fast and simple method of installation compared to the traditional method.

We can produce all kinds of self-drilling rock bolt,such as R25N,R32L,R32N,R32S,R38N,R51N,R51L,T76N and T76S.and we can make special rod, plate,extension coupling, nuts according to your request.

It can be galvanized,epoxy or galvanized epoxy double-handling to meet the different corrosion resistance requiements.

Size	Weight kg	Outer Φ mm	Inner Φ mm	Cross section mm2	Ultimate load KN	Yield Load KN	TensileStrength N/mm²
R25N	2.3	25	14	290	200	150	520
R32L	2.7	32	22	340	220	180	530
R32N	3.4	32	18.5	430	280	230	530
R32S	4.1	32	15	520	360	280	540
R38N	6.1	38	19	770	500	400	520
R51L	7	51	36	890	550	450	510
R51N	8.4	51	33	1070	800	630	590
T76N	15	76	51	1900	1600	1200	630
T76S	19.7	76	45	2500	1900	1500	600
Note:	Thread:Left or Right
	Steel grade:Acc. to EN 10083-1
	Delivery Length(m):1~8m