5/16-18 (1 INCH OD) ADJUSTABLE ROUND SPLIT DIE (SKU: 1016-1144)
Reliable choice for professional results in the machine shop. Ideal for thread repair and external threading with proper cutting oil. Size/Key spec (from title): 1 in.
Key benefits
- Designed to help produce cleaner threads when used with proper cutting fluid.
- Useful for production work and thread repair applications.
- Works best when matched to the correct material and tool setup.
Recommended use
- Use appropriate cutting oil and back off periodically to break chips (especially in tougher alloys).
- Ensure proper hole size (for taps) or starting chamfer (for dies) to reduce breakage risk.
- Keep the tool aligned to the workpiece to avoid cross-threading.
Keywords: thread die, external threading tool, die set, thread repair.





