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Expansion Shell Bolts

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Expansion shell bolts KE-3W and KE3-2K are designed to be used for roof and ribs support in mine working areas as an independent or secondary bolting support system and also to attach various components of mining equipment.
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Technical description
Following rods can be used within KE-3W and KE3-2K expansion bolts :
Bolt type

Rod type
KE-3W

RS-1SZ

RS-1SZ-Z

RS-1N

RS-1N-Z

KS-1

KS-1N

ES-1
KE3-2K

RS-2SZ

RS-2SZ-Z

RS-2N

RS-2N-Z

KS-2

KS-2N

ES-2
Bolt rods are made of plain AP 600 steel bar of ø18,3 mm according to ZN-97/AP-2 standard.
The rods vary in terms of shape and size of forged head.
KE-3W and KE3-2K expansion shells of ø36 mm are the elements which set the bolt in the hole. The KE-3W shell consists of 3 shells and one expander while the KE3-2K shell consists of 3 shells and 2 expanders
The following washer plates can be used with the bolts: square, square with a side hole, round, triangular and octagonal. The washer plates differ in press forming method and thickness.
The washers may have a conical or flat hole.
Washers with a side hole of ø 15 can be used for attaching elements of mining equipment.
They should be used if there is no hole in the rod. All the washers are made of 6mm plate.

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