Umbrella Head Roofing Nails
Length
Diameter
mm
Weight/pc
No./ton
1 3/4"
BWG13
2.5
3.2g
312,500
2"
BWG12
2.8
4.8g
208,333
2 1/2"
BWG11
3.1
7g
142.857
2 1/2" or 3"
BWG10
3.5
8g
125,000
BWG9
3.8
10g
100,000