Overall Thread Thread+Neck Shank Shank Size of Length of
length length length length dia. square square

L ℓ ℓn ℓs Ds K ℓk
IHT Hand Taps for General Purpose
L ℓ ℓn ℓs Ds K ℓk No. of


(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes
For Unified Threads
(In blister package)
IAUN6JXHEX5R 5P
No.6-32UNC - 2 0.374 0.669 1.201 0.141 0.11 0.187 3 1
IAUN6JXHEX2R 2P


(for through hole)
IAUN8JXHEX5R 5P
No.8-32UNC - 2.125 0.374 0.866 1.339 0.168 0.131 0.25 3 1
IAUN8JXHEX2R 2P
IAUNAMXHEX5R 5P
No.10-24UNC - 2.375 0.512 0.866 1.339 0.194 0.152 0.25 3 1
IAUNAMXHEX2R 2P
IAU04NXHEX5R 5P


(for through hole)
1/4-20UNC - 2.5 0.591 1.024 1.22 0.255 0.191 0.312 3 2
IAU04NXHEX2R 2P
IAU05OXHEX5R 5P
5/16-18UNC - 2.718 0.669 1.004 1.378 0.318 0.238 0.375 3 3
IAU05OXHEX2R 2P
IAU06PXHEX5R 5P
3/8-16UNC - 2.937 0.748 1.059 1.496 0.381 0.286 0.437 3 3


Hand Taps
IAU06PXHEX2R 2P

Blister Package


Carbide Taps
Cemented
Roll Taps
Simple Inspection Tools Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools


ANSI
HT-2
253