THE COVENTRY SELF-OPENING DIEHEAD

The following styles and sizes of Dieheads are dealt with in this CD

• Style C.H.S., hardened and ground
  1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 1-1/2" and 2".
• Style C.H., hardened only where necessary
  5/16", 3" and 4-1/2".
• Style C. Fine Thread. 2-1/2" and 3-1/2".
  Hardened only where necessary. For cutting threads of Vee form, 11 per inch and finer, of restricted length. Any length may be screwed when dieheads are fitted with special flanged adapters.
• Coventry Rotating Dieheads (for use on revolving spindles),
  1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 1-1/2", 2", 2-1/2” and 3-1/2”.
• Style X.T. and X.T.2 (for use on Brown and Sharpe type single-spindle automatics), ¼”, 5/16” and ½”.
• Herbert Solid-Adjustable Dieheads, 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 1-1/2", 2" and 2-1/2”.
  

A very clear and well illustrated scanned book on the use, setting and repair of these units.
122 pages in all

All these are either high resolution .jpg scans and / or Adobe .pdf documents.
A copy of the free Acrobat reader is also included.