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parts, and accessories for bench top machinists.  
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Have you seen?
Drill Press, 13" Bench Top, 16-Speed
 
 
Most Popular of
Model Material Kits
Model Steam Launch Engine Material Kit
Model Steam Launch Engine Material Kit
Additional popular items
 

Machinist's Calculator

Our mobile app; read this with your phone.
lmscnc.com/calc

 
Onliine Metals  

 

  

Rod Size for Die Threading

Calculator Menu

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.

 
SPECIAL OF THE WEEK
Machine Light, LED with Magnetic Base $69.95

More information
Machine Light, LED with Magnetic Base
Revolving Tailstock Chuck Adapter, 3" Chuck, 2MT
  • CHUCK NOT INCLUDED: Mounts a 3" 3-jaw chuck in the tailstock
  • Three ball bearings provide support for heavy duty load and high speed.
  • Max Load: 1100 lbs.
  • Maximum Rated RPM: 4000
  • 2MT standard shank

$159.95

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DRO Scale, 12" (300 mm) with Display
  • 12" travel stainless steel scale
  • Stackable display unit
  • Mounting arm
  • Displays in inches or mm

$94.95

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Telescoping Lead Screw Cover, 7x10, 7x12
  • All metal construction
  • Works with threading dial

$78.63

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