standard types | details of standard |
For US, Canada | the standard washer diameter is 1.187"(30mm), the pin diameter is 12GA(2.7mm), the washer can with or without kraft paper. the length from 3/8" to 4-7/8" |
For EU countries | the washer diameter is 30mm, 38mm, The pin diameter is 12GA(2.7mm) and 14GA(2.0mm). |
noted | the washer can with or without kraft paper, the pin can be with or without plastic sleeve. the length from 9.5mm to 140mm. we also accept the special order for other lengths. |
recommended for | pin length before welding |
1/2" insulation(all densities) | 12.67mm |
1" insulation(1-1/2"ib density) | 17.63mm |
1" foam | 25.55mm |
1"insulation(3ib densities) | 23.72mm |
1-1/2" insulation(all densities) | 28.42mm |
2"insulation(1-1/2"-2" ib density) | 37.95mm |
2"insulation(3ib densities) | 48.77mm |
3"insulation(all densities) | 69.85mm |
4" insulation(all densities) | 95.00mm |
12Gauge *2.5” Ductwork Cup Head Pin | 1000Pcs | 26×26×18CM | 5.5KG |
12Gauge *4.5” Ductwork Cup Head Pin | 1000Pcs | 26×26×32CM | 7.5KG |
14Gauge *2.5” Ductwork Cup Head Pin | 1000Pcs | 26×26×18CM | 4.5KG |
14Gauge *4.5” Ductwork Cup Head Pin | 1000Pcs | 26×26×32CM | 6.0KG |