Stair Treads

Standard Drilled end plate.

Stair treads are fitted with drilled end plates to allow them to be bolted to the supporting stringer. The drilled hole positions have been standardised across the whole range of treads, however alternative drillings are available on request.  The end plate drilling consists of one fixed and one slotted hole to allow flexibility during installation.

Category:

The sketch below shows the standard end plate details.

LOAD BAR DEPTH 20MM 25MM 30MM 32MM 35MM 38MM 40MM 45MM 50MM 55MM
60MM 65MM 70MM 75MM 80MM* 90MM* 100MM* 120MM* 125MM*
LOAD BAR THICKNESS 3 MM 3.18 MM 4 MM 4.5 MM 4.76 MM 5 MM 6 MM 6.35 MM 8 MM 10 MM
LOAD BAR TYPE PLAIN – SERRATED “PLAIN ONLY (FB ABOVE 80MM – 125MM)
CROSS BAR (Twisted Square Bar) 4.6 MM 5 MM 5.4 MM 6 MM 6.4 MM 7.6 MM 8 MM 10 MM
CROSS BAR (Round Bar) – DIA 5 MM 6 MM

 

BEARING BAR PITCH: N W E H 2H G D 40x 24x 33x 45x
30 MM

30.15 MM

41 MM

41.45 MM

34 MM

34.3 MM

25MM 50MM 20.725 MM 17.15 MM 40 MM 24.25 MM 33.16 MM 45 MM

 

CORSS BAR PITCH 25 MM 33 MM 38 MM 50 MM 76 MM 100 MM 101.6 MM

 

FINISH : SELF COLOUR (BLACK) Allows for on-site fabrication.
HOT DIP GALVANIZED Hot dip galvanized to BS EN ISO 1461, ASTM A123 or other international hot dip galvanizing standards.

Surface preparation by blasting when required will be charged extra

PAINTED As per Project Requirement

 

 

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