Guide to Size, color table and threaded

Internally Threaded - Conversion Chart 

Thread size Thread fits to
Internally Threaded 0,9 mm 1,0 mm - 1,2 mm
Internally threaded 1,2mm 1.6 mm - 2,0 mm 
Internally threaded 2.0mm 2.5 mm - 10 mm


Conversion Chart Inches & MM

Gauge Millimeters
22G 0.64mm
20G 0.81mm
18G 1.0mm
16G 1.2mm
14G 1.6mm
12G 2.0mm
10G 2.5mm
8G 3.0mm
6G 4.0mm
4G 5.0mm
2G 6.0mm
0G 8.0mm
00G 10.0mm

 

Inches Millimeters
1/4" 6.4
5/16" 7.9
3/8" 9.5
7/16" 11
1/2" 13
9/16" 14.3
5/8" 16
3/4" 19
7/8" 22
15/16" 23.8
1" 25.4
1 1/2" 38

 

Gem Color




Opal Color 






Titanium and Nobium Color