Drillco 10pc Hex Threading Die Set NF 1/4"–1" (3300EF10)
Drillco 3300EF10 10pc Hex Threading Die Set NF 1/4"–1" is a versatile threading die set designed for cutting National Fine (NF) threads ranging from 1/4" to 1". This hexagonal die set offers ease of use with a standard square shank, ensuring compatibility with common tap wrenches. Made from general-purpose high-speed steel (HSS) and featuring a bright finish, the set provides durability, excellent lubricity, and consistent threading performance for professional applications.
Includes 10 hexagonal threading dies for NF thread sizes from 1/4" to 1"
Taper, plug, and bottoming geometries for versatile thread cutting
Made from general-purpose high-speed steel (HSS) for strength and longevity
Bright finish enhances lubricity and reduces wear
Standard square shank design compatible with tap wrenches for easy handling
Wide size range covers common NF threading needs
Durable HSS construction ensures long tool life
Bright finish reduces friction for smoother cutting
Hex shape allows secure grip in die holders
Easy to use with standard tap wrenches
Technical Specifications:
Set Size: 10 pieces
Thread Range: National Fine (NF) 1/4" to 1"
Type: Hex Threading Die Set
Material: General-purpose High-Speed Steel (HSS)
Product identification
- Brand: Drillco
- Model / MPN: 3300EF10


