ZELX NI SP STI ANSI

Spiral Fluted Taps for Helical Coil Wire Screw Thread Inserts and for Nickel Base Alloys

Specification

■ ZELX NI SP STI is the tap for nickel base alloys which, with nickel as main composition, have much higher corrosion resistance and higher Nitride+Oxide heat resistance than steels, and produces Recommended Tapping Speed depending on Materials threads oversize enough to accommodate helical coil wire thread inserts.

Medium carbon steelsHigh carbon steelsStainless steelsNickel base alloys
5中炭素鋼155高炭素鋼155ステンレス鋼15ニッケル基合金510
(m/min)(m/min)( m/ min)(m/min)

TYPE:1 TYPE:2

TYPE:3 TYPE:4

Segment:1D

SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesTYPE
For iUnifiedi Threadsl
No.2-56UNCGH2Y874003P1.8750.2360.5620.1410.110.18731
No.4-40UNCGH1Y874033P20.2760.6870.1410.110.18731
No.4-40UNCGH2Y874043P20.2760.6870.1410.110.18731
No.4-40UNCGH2Y870041.5P20.2760.6870.1410.110.18731
No.4-40UNCGH3Y874203P20.2760.6870.1410.110.18731
No.4-40UNCGH3Y874191.5P20.2760.6870.1410.110.18731
No.6-32UNCGH2Y874083P2.3750.3540.8750.1940.1520.2531
No.6-32UNCGH2Y870081.5P2.3750.3540.8750.1940.1520.2531
No.6-32UNCGH3Y874243P2.3750.3540.8750.1940.1520.2531
No.6-32UNCGH3Y874251.5P2.3750.3540.8750.1940.1520.2531
No.6-32UNCGH5Y870421.5P2.3750.3540.8750.1940.1520.2531
No.6-40UNFGH2Y874093P2.1250.2760.750.1680.1310.2531
No.8-32UNCGH1Y814093P2.3750.3540.9370.220.1650.28131
No.8-32UNCGH2Y874103P2.3750.3540.9370.220.1650.28131
No.8-32UNCGH2Y870261.5P2.3750.3540.9370.220.1650.28131
No.8-32UNCGH3Y874263P2.3750.3540.9370.220.1650.28131