Steel Hole-Forming Mandrels, Manhole drilling equipments and ancillary

Size Examples

HOLE SIZE MANHOLE SIZE/WALL THICKNESS

 18

 48/5  60/6
 72/7   84/8   96/9
 20  48/5
 60/6
 72/7
 84/8 
 96/9
 22  48/5
 60/6
 72/7
 84/8 
 96/9
 24  48/5
 60/6
 72/7
 84/8 
 96/9
 26  48/5
 60/6
 72/7
 84/8 
 96/9
 34  48/5
 60/6
 72/7
 84/8 
 96/9
 36  48/5
 60/6
 72/7
 84/8 
 96/9
 38  -  60/6
 72/7
 84/8 
 96/9
 40  -
 60/6  72/7
 84/8 
 96/9
 42  -
 -
 72/7
 84/8 
 96/9
 44  -
 -
 72/7
 84/8 
 96/9
 46  -
 -
 72/7
 84/8 
 96/9
 48  -
 -
 72/7
 84/8 
 96/9
 50  -
 -
 -
 84/8 
 96/9
 52  -
 -
 -
 84/8 
 96/9
 54  -
 -
 -
 84/8 
 96/9
 56  -
 -
 -
 84/8 
 96/9
 58  -
 -
 -
 84/8 
 96/9
 60  -
 -
 -
 84/8 
 96/9
Large sizes available
Half sizes and other requirements quoted upon request
Manufacturing lead time (made to order)
Steel Hole Forming Mandrels. Trelleborg

Collapsible Holeformer


Steel Hole Forming Mandrels. Trelleborg

Exploded View


Downloads

More detailed information

Datasheet Steel Holeformers

 

Download (pdf)

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