Description
Drillco 335E240F 1-5/8″-12 Hex Die is a precision hexagonal rethreading die designed to repair large fine threads on bolts, rods, and similar components. Made from high carbon steel with premium grade high-speed steel (HSS) cutting edges, it delivers strength, durability, and consistent performance in demanding repair applications. Its extra-thick body increases stability during use, while the staggered tooth design reduces chip buildup for smoother cutting action. This die is intended for rethreading only and should not be used to cut new threads on unthreaded materials. Featuring a bright finish to improve lubricity and reduce friction, it works with standard square shank tap wrenches and is suitable for both through-hole and blind-hole applications.
Features:
- Hexagonal rethreading die for fine 1-5/8″-12 threads
- Constructed from high carbon steel with premium grade HSS
- Extra-thick design for stability and durability
- Staggered tooth geometry to minimize chip loading
- Bright finish for smoother cutting and reduced wear
- Compatible with standard square shank tap wrenches
- Ideal for through-hole and blind-hole rethreading
- Made in USA
Benefits:
- Repairs damaged or jammed fine threads for extended part life
- Chip-resistant cutting action for smoother performance
- Durable construction for repeated use in shop or field
- Bright finish improves tool life and cutting efficiency
- Works with commonly available tap wrenches
Technical Specifications:
- Model: 335E240F
- Thread Size: 1-5/8″-12
- Type: Hex Rethreading Die
- Material: High carbon steel with premium grade HSS
- Finish: Bright
- Shank: Standard square shank
- Design: Staggered tooth
- Usage: For rethreading damaged threads only; not for cutting new threads





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