1 Set stainless steel Carriage bolt M6x80mm + washer + nut

1 Set stainless steel Carriage bolt M6x80mm + washer + nut to mount the deck board planks on your hot-dip galvanized staircase stringer.
This set contains:

1 stainless steel Carriage bolt M6x80 mm
1 stainless steel nut M6
1 stainless steel washer D6X18

For a staircase with 2 steps:

60cm wide
2 hot-dip galvanized steel staircase stringers 2 steps
4 decking board/planks of 60cm long
16 x sets stainless steel Carriage bolt M6x80mm + washers + nut

120cm wide
3 hot-dip galvanized steel staircase stringers 2 steps
4 decking board/planks of 120cm long
24 x sets stainless steel Carriage bolt M6x80mm + washers + nut

For a staircase with 3 steps:

60cm wide
2 hot-dip galvanized steel staircase stringers 3 steps
6 decking board/planks of 60cm long
24 x sets stainless steel Carriage bolt M6x80mm + washers + nut

120cm wide
3 hot-dip galvanized steel staircase stringers 3 steps
6 decking board/planks of 120cm long
36 x sets stainless steel Carriage bolt M6x80mm + washers + nut

For a staircase with 4 steps:

60cm wide
2 hot-dip galvanized steel staircase stringers 4 steps
8 decking board/planks of 60cm long
32 x sets stainless steel Carriage bolt M6x80mm + washers + nut

120cm wide
3 hot-dip galvanized steel staircase stringers 4 steps
8 decking board/planks of 120cm long
48 x sets stainless steel Carriage bolt M6x80mm + washers + nut

For a staircase with 5 steps:

60cm wide
2 hot-dip galvanized steel staircase stringers 5 steps
10 decking board/planks of 60cm long
40 x sets stainless steel Carriage bolt M6x80mm + washers + nut

120cm wide
3 hot-dip galvanized steel staircase stringers 5 steps
10 decking board/planks of 120cm long
60 x sets stainless steel Carriage bolt M6x80mm + washers + nut