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Collet Set, R8 Metric, Set of 10
Collet Set, R8 Metric, Set of 10
 
 
Most Popular of
Mill Conversion Kits
Belt Drive Conversion Kit, Mini Mill
Belt Drive Conversion Kit, Mini Mill
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Onliine Metals  

 

   

Rod Size for Die Threading

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Thread Specification: 

Examples:

#10-32
10-32 		In Numbered machine screw thread (#1 through #12)
1/4-20
1/4"-20
0.25-20 		In Fractional UNC thread (1/4" through 1")
1/2-20
1/2"-20
0.5-20 		In Fractional UNF thread (1/4" through 1")
M6
M6x1
6x1 		mm Metric coarse thread (M1 through M22)
M6x0.75
M6x.75
6x.75
6mm x.75 		mm Metric fine thread (M1 through M22)
0.255-40
.255-40
0.255"-40 		In Non-standard thread (0.06" through 1.0")

 

Reducing the size of a rod you want to thread with a die makes it easier to start the die,
but the real secret is to add a 30° chamfer to the end of the rod.

Die Blank Size is the Major Diameter less 10% of the Pitch.
This is about the same as common bolts.
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