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?
Tap & Die Set, 39-Piece Solid Round Dies
 
Most Popular of
Indicators
Dial Test Indicator, 0-15-0 x 0.0005"
Dial Test Indicator, 0-15-0 x 0.0005"
Additional popular items
 

Machinist's Calculator
Our mobile app; read this with your phone.
lmscnc.com/calc

 
Onliine Metals  

 

  

Thread Information

  Back to Reference Information

Lew Merrick has put together more information about threads than you ever thought you wanted to know.

Where did threads come from? Who invented them? How did they develop?

 

All the details of Acme threads.

How large a hole should you drill before tapping?

All the details of Stub Acme threads.

All the details of Unified National threads.

Additions or changes?

Back to Reference Information

 

Contact Us / Company Info / Privacy Policy / Warranty / Terms & Conditions / Payment Options / Shipping Rates & Policies
Copyright © 2007-2018 LittleMachineShop.com
 
Phone: (800) 981-9663