grommets made by C.S. Osborne
Varieties
Finish |
Plain Washers |
Spur Washers |
Self-Piercing |
Black |
B1 |
B2 |
|
Brass |
G1 |
G2 |
G3 |
Nickel |
N1 |
N2 |
N3 |
Stainless |
SS |
|
|
Sizes
Number |
Inside Diameter
|
Flange Diameter
|
Length Under Flange
|
00 |
3/16″ |
0.188″ |
4.8 mm |
0.460″ |
11.7 mm |
0.135″ |
3.4 mm |
0 |
1/4″ |
0.250″ |
6.3 mm |
0.546″ |
13.9 mm |
0.175″ |
4.4 mm |
1 |
9/32″ |
0.281″ |
7.1 mm |
0.700″ |
17.8 mm |
0.185″ |
4.7 mm |
2 |
3/8″ |
0.375″ |
9.5 mm |
0.835″ |
21.2 mm |
0.215″ |
5.5 mm |
3 |
7/16″ |
0.438″ |
11.1 mm |
0.955″ |
24.3 mm |
0.295″ |
7.5 mm |
4 |
1/2″ |
0.500″ |
12.7 mm |
1.062″ |
27.0 mm |
0.374″ |
9.5 mm |
5 |
5/8″ |
0.625″ |
15.9 mm |
1.205″ |
30.6 mm |
0.330″ |
8.4 mm |
6 |
13/16″ |
0.813″ |
20.6 mm |
1.828″ |
46.4 mm |
0.232″ |
5.9 mm |
Oversize
Set with C.S. Osborne W-1 or C.S. Osborne W-3b.
Size |
Inner Diameter |
Type |
Finishes |
10 |
1-1/2″ |
Spur |
Gold, Nickel |
12 |
1-9/16″ |
Plain |
Gold, Nickel, Antique, Black |
15 |
2″ |
Plain |
Gold, Nickel, Antique, Black |