Rethreading die set details
Drillco 20pc Hex Rethreading Die Set NC & NF (3350C20)
Drillco 3350C20 20pc Hex Rethreading Die Set NC & NF is a comprehensive die set designed for rethreading both National Coarse (NC) and National Fine (NF) threads. This 20-piece set features hex-shaped dies made from general-purpose high-speed steel (HSS) to ensure durability and reliable performance. Each die is crafted with taper, plug, and bottoming geometries to provide maximum versatility for various threading tasks. The dies include a standard square shank for easy compatibility with tap wrenches, and a bright finish enhances lubricity to improve cutting efficiency during use.
Includes 20 hex-shaped rethreading dies for NC and NF threads
Made from general-purpose high-speed steel (HSS) for durability
Taper, plug, and bottoming geometries for versatile threading
Standard square shank for easy use with tap wrenches
Bright finish enhances lubricity and cutting performance
Comprehensive set suitable for rethreading a variety of thread types
Durable construction ensures long-lasting performance
Versatile threading geometries accommodate multiple applications
Easy handling and compatibility with common tools
Technical Specifications:
Type: Hex Rethreading Die Set
Thread Types: National Coarse (NC) & National Fine (NF)
Number of Pieces: 20
Material: General-purpose high-speed steel (HSS)
Geometries: Taper, plug, and bottoming
Shank: Standard square shank
Application: Rethreading and thread repair
Product identification
- Brand: Drillco
- Model / MPN: 3350C20





