
Spiral Fluted Tap Overall
length
Thread
length
Thread+Neck
length
Shank
dia.
Size of
square
Length of
square
L ℓ ℓn Ds K ℓk
ZELX AL SP Spiral Fluted Taps for Aluminum
L ℓ ℓn Ds K ℓk No. of
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) (inch) flutes
7/16-14UNC GH3 Y86520 2.5P 3.937 0.945 - 0.323 0.242 0.406 3 3
GH3 Y86524
1/2-13UNC 2.5P 4.331 1.142 - 0.367 0.275 0.437 3 3
GH5 Y86525
(for through hole)
1/2-20UNF GH3 Y86526 2.5P 3.937 0.866 - 0.367 0.275 0.437 3 3
(for through hole)
Hand Taps
Cemented
Carbide Taps Roll Taps
Pipe Taps Simple Inspection Tools
Thread Mills
Dies
Center Drills
Centering Tools
ANSI
SP-19
206