201 ACCESS STAIRCASES- TECHNICAL INFORMATION - 2023 STAIRCASES STEPS RISERS In special steel profile, perforated and non-slip, they are fixed to the stringers by self-locking and safety bolting (supplied with M10-25 bolts and locknuts). CRABESCAL Public steps Part number Description / dimensions Weight in kg Number of bolts 254100- 1 1.00 m public step 8.75 2 254150- 6 1.50 m public step 12.00 2 254200- 9 2.00 m public step 18.00 2 170008- 7 M10-25 Bolt 0.05 - 9.3 cm 18.5 cm CRABESCAL Public risers Part number Description / dimensions Weight in kg Number of bolts 254100- 1 1.00 m public riser 1.60 4 254150- 6 1.50 m public riser 2.54 4 254200- 9 2.00 m public riser 3.50 6 170008- 7 M10-25 Bolt 0.05 - Made of bent plate, they are bolted to the steps. Their concave shape offers a better foothold. 7 cm 5 cm 4.75 cm (Ø12 mm)
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