Surface Treatment: Pre-galvanised or hot dipped galvanised
BS4568:1970/BS EN61386/IEC60423:1993
Size
Outside Diameter
(min/max)
Wall Thickness
(mm)
Length of Full
Thread
(Min/Max)
Length
(m)
20mm
19.7/20.0
1.60/1.35
13/15
3.75
25mm
24.6/25.0
1.60/1.35
16/18
3.75
32mm
31.6/32.0
1.60/1.35
18/20
3.75
40mm
39.6/40.0
1.80-
18/21
3.75
50mm
49.6/50.0
2.00-
19/22
3.75
BS31:1940
Size
Outside Diameter
(min/max)
Wall Thickness
(mm)
Length of Full
Thread
(Min/Max)
Length
(m)
3/4''
19.75/19.05
1.60/1.35
13/15
3.75
1''
25.10/25.40
1.60/1.35
16/18
3.75
1-1/4''
31.50/31.80
1.60/1.35
18/20
3.75
1-1/2''
37.70/38.10
1.80-
18/21
3.75
2''
50.46/50.80
2.00-
19/22
3.75
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Company Information
Macrich Industry specializes in producing and exporting various metal casting such as melleable iron, ductile iron, gray iron, alloy iron with galvanised or black or BZP surface.
As a leading conduit fittings supplier in China, we are the first to export conduit fittings since 1981.
In 2018, we also produce scaffolding items, such as scaffolding pipes, props, planks, couplers with high quality and BS standard.
