Stair treads

Sheet sections - standardized stair treads

sheet section of any type
widths 150, 200, 240, 250, 300 mm
anti-slip tread on request
rear taper is not possible

For the fastening of stair treads we supply:

Hexagonal head bolts	M 12 x 35	ISO 4017 (DIN 933)
Hexagonal nuts	M 12	ISO 4032 (DIN 934)
Washers (2 pcs)	M12	ISO 7089 (DIN 125A)

Installation

The stairtreads in accordance to DIN can be produced regarding the length with a minus tolerance and furthermore the stair construction can have tolerances. So it may be necessary to verify before srewing the treads if a washer between cheek and stairtread is needed. Thereby possible damages of the welding of the metal plank to the side plates can be avoided.