Spool Specifications
 

Standard 4" Small Spool 
Standard spool for tungsten-rhenium wire 

4.0" Flange Diameter
3.5" Barrel Diameter
0.5" Bore Diameter
0.625" Traverse 

Large "Cast-Free" Spool
For large diameter wire, or for any wire diameter to minimize cast  

13.75" Flange Diameter
11.125" Barrel Diameter
2.0" Bore Diameter
2.562" Traverse 

10P Spool
Also referred to as a 10 pound spool, it is used for long coils that do not fit on the standard 4 inch spool. 

6.0" Flange Diameter
3.5" Barrel Diameter
0.625" Bore Diameter
3.5" Traverse

 

Ultra-Fine Wire Spool
For wire in the range of .0005 to .0008 inch diameter  

52 mm Flange Diameter
40 mm  Barrel Diameter
10 mm  Bore Diameter
20 mm Traverse