Fork head post shores

Post shores made with fork already welded to support the beam in the shoring system.

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About GBM forked post shore

Post shores made with fork already welded to support the beam in the shoring system. They're also known as BM-Bouwstempel and schroefstempel.

Fork head post shores manufactured according to the customer's ABOMA.

Also known as Bm-Stempel and Bm-Bouwstempel, they come in 4 models with different extension and capacity:

  • GBM 30
    extensible between 1,80 and 3,00 metres
  • GBM 36
    extensible between 2,10 and 3,60 metres
  • GBM 41
    extensible between 2,40 and 4,10 metres
  • GBM 50
    extensible between 2,90 and 5,00 metres

Below are the features of GBM fork head post shores:

  • hook bevelled at the ends: easier to insert into the holes thanks to the ergonomic shape;
  • anti-shearing system: the greater length of the inner pipe with respect to the outer one enables guaranteeing an at least 10 cm difference between the two so as to prevent injury;
  • inner holes obtained using machines capable of perfectly machining them or by means of a milling system which obtains turnings on the surface of the pipe: both ways enable guaranteeing the complete absence of burrs near the holes;
  • inner pipe anti-slip-off system, so as to prevent the pipe from inadvertently slipping off thus guaranteeing wholeness and safety when laying down and displacing at the worksite;
  • hot-dip galvanization, with guaranteed minimum thickness of 50 microns.

Upon request:
  • sticker customised with customer's logo, bearing information on capacity and maximum extension;
  • quick release system, an accessory that guarantees the release of the post shore under the load by just hitting with the hammer to quicken and simplify the release procedure as well as reduce the operator's effort.

Beware: the capacities indicated in the table always refer to the capacity of the single post shore. Higher capacities can be achieved by binding, gate-like systems or pipe-coupling systems. The gate-like system is a temporary structure suitable for creating a loading tower. Binding the post shores in fours enables maximising the capacity. The pipe-coupling system provides for a pipe above and beneath with couplings; it is the same figure of the gate, which is more economic though less quick.
GBM - Puntello con forca Catasta puntelli con forca Catasta puntelli con forca 2

GBM Fork head post shores loads table

We - at GBM - manufacture 4 different models of Fork head post shores (GBM 30, GBM 36, GBM 41, GBM 50). They are classified according to maximum extension and capacity. Below are their technical features.

Download the fork post shores loads table

Dimensions table

Inner diameter mm 48,30
Outer diameter mm 57,00
Plate mm 120x120x8
Fork thickness mm 8
Hook diameter mm 15

Extension Model

GBM 30 GBM 36 GBM 41 GBM 50
(metres) (kN) (kN) (kN) (kN)
5,00


8,20
4,90


8,60
4,80


8,90
4,70


9,30
4,60


9,70
4,50


10,30
4,40


10,80
4,30


11,30
4,20


11,90
4,10

11,30 12,40
4,00

12,00 12,90
3,90

12,70 13,40
3,80

13,40 14,40
3,70

14,10 15,40
3,60
12,50 14,80 16,40
3,50
13,30 15,50 17,40
3,40
14,20 16,20 18,40
3,30
15,00 16,90 19,30
3,20
15,90 17,60 20,30
3,10
16,70 18,50 21,30
3,00 16,50 17,50 19,30 22,30
2,90 17,40 18,40 20,20 23,30
2,80 18,30 19,20 21,10
2,70 19,20 19,80 21,90
2,60 20,10 20,40 22,80
2,50 21,00 21,00 23,60
2,40 21,90 21,70 24,50
2,30 22,10 22,30

2,20 22,20 22,90

2,10 22,40 23,50

2,00 22,50


1,90 22,70


1,80 22,80


Stay up post shores

Well known as stutalone, is a simple tool to support existing facades during renovations, when the use of standard post shores is not possible .

Below are their technical specifications:

  • Min length 1950 mm;
  • Max. length 3150 mm;
  • Max. load retracted 1140 kg;
  • Max. load extended 825 kg;
  • Distance between facade and stamp 250 mm;
  • Weight 27 kg.
Stut Alone Post shore 2


Extension Loading Capacity
(mm) (kN)
3150 8,25
3050 8,70
2950 9,15
2850 9,55
2750 10,05
2650 10,30
2550 10,55
2450 10,75
2350 10,85
2250 11,00
2150 11,20
2050 11,30
1950 11,40

GBM - Stut Alone Post shore 1

Would you like to view the full GBM post shores catalogue?

Download the full catalogue in pdf format (5 MB)

Or go straight to the online version.

GBM Post Shores: Data Sheet

GBM post shore specifications, data sheet & capacity tables: maximum extension, minimum extension, inner tube, outer tube, weight, compression... If you want to know it all, just...

Download the datasheet of our post shores (PDF / 0.1 MB)

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