4-40 UNC 4" O.A.L. Yellow Ring HSSE-V3 Spiral Point Tap

HSSE-V3% Vanadium • Superior performance in hardened tool steels such as 4140, 4340, H13, D2. • Up to 35 HRC Designed for high-speed tapping applications. Developed to withstand the high stress and high heat associated with high-speed CNC production tapping. Features a unique free-cutting design with a special tempering and geometry which contributes to extra tool life

Specifications

Thread Standard

UNF

Overall Length (Inch)

4"

Thread Length (Decimal Inch)

0.433

Thread Size (Inch)

#4-40

Chamfer

4.5P

Finish/Coating

Black Oxide

Material

HSSE-V3

Through Coolant

No

Thread Direction

Right Hand

Thread Limit

H2

Number of Flutes

2