
Overall Thread Thread+Neck Shank Shank Size of Length of
length length length length dia. square square
L ℓ ℓn ℓs Ds K ℓk
N-RZ Thread Forming Taps for Steels
L ℓ ℓn ℓs Ds K ℓk
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
Size Class Code Chamfer (inch) (inch) (inch) (inch) (inch) (inch) (inch)
Lobe Type
RSU08N5HEXP 4P
H5
RSU08N5HEXB 2P
1/2-20UNF 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4
RSU08N7HEXP 4P
H7
(for through hole)
RSU08N7HEXB 2P
(for through hole)
Hand Taps
Carbide Taps
Cemented
Roll Taps
Simple Inspection Tools Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools
ANSI
RO-4
285