1.Sinorock expansion shell m20 galvanized anchor bolts 2.Casted and machined 3.2-leaf or 3-leaf are both available 4.ISO 9001

Sinorock expansion shell   m20 anchor bolt 

Application

Expansion shell m20 anchor bolt can be used for permanent support in medium and good rock condition, especially in hard rock, rock horizontal bedding, groundwater development situation. It can be used to prevent slope sliding, rock bursting and construction problem.

Features

1.Simple and rugged

2.Positive anchorage

3.Easy to Splice

4.Corrosion Protect System

a:Hot-dip Galvanizing Corrosion Protect. We can do it according to EN ISO 1461.

b: Duplex Coat System:Duplex Coat = Hot-dip Galvanizing + Epoxy Power Coating

The technical parameters can be seen as follows:

   

Bar size (mm)	Min.hole size (mm)	Max.hole size (mm)
18	33	37
20	34	38
25	34	38
28	34	38
32	36	40
36	43	47
40	44	48
50	59	66

                                              Sinorock expansion shell  anchor bolt

                                                             Sinorock  expansion shell 

                                                               Sinorock  expansion shell

                                          Sinorock  2-piece  expansion shell anchor bolt 

                                                                                Package

Sinorock expansion shell m20 galvanized anchor bolts