We’re here and we’re shipping orders—how can we help you?  Read more...

LittleMachineShop.com is the premier source of tooling, 
parts, and accessories for bench top machinists.  
Contact Us (800) 981 9663
Your Orders
Cart  Cart
   

On Sale
Value Packs
New Products
All Products
Catalog
Store Location
Outlet Store

 
Have you seen?
Hand Tapper, Mini
 
 
Most Popular of
Lathe Starter Kits
Tooling Package, Mini Lathe, 0XA QCTP
Tooling Package, Mini Lathe, 0XA QCTP
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
Cut-Off Tool Holder and HSS Blade $25.95

More information
Cut-Off Tool Holder and HSS Blade
Rotary Table, 4" Precision, Digital Readout
  • 4" (100 mm) diameter
  • Use in horizontal or vertical position
  • Worm ratio is 72 to 1
  • Digital angular readout with 1 minute (0.017 degree) resolution digital angular readout
  • 2 Morse taper center hole

$355.18

More products like this
Cutting Oil, Viper's Venom
  • 32 oz. bottle with applicator top

$18.50

Regularly $19.50

More products like this
Electronic Digital Caliper, 6" Fractions IP67
  • Range: 0-6" (0-150 mm)
  • Accuracy: 0.001"/6"
  • Resolution: 0.0005" / 0.01mm / 64th
  • IP67: Dust tight, temporarily imersable
  • Operating Environment: 0-40°c

$48.99

More products like this
Contact Us / Company Info / Privacy Policy / Warranty / Terms & Conditions / Payment Options / Shipping Rates & Policies
Copyright © 2007-2020 LittleMachineShop.com
 
Phone: (800) 981-9663