ZELX NI SP STI

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

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 heat resistance than steels, Nitride Oxide and produces threads oversize enough to accommodate Recommended Tapping Speed depending on Materials helical coil wire thread inserts.

ow carbon steelsMedium carbon steelsStainless steelsickel base alloys
5〜155〜155〜155〜10

(m/min) For icon explanation, refer to P.50 TYPE:1 TYPE:2

TYPE:3 TYPE:4

Segment:1D

SizeClassCodeChamferLℓnDsKℓkNo. of lType
(inch)(inch)(inch)(inch)(inch)(inch)flutes
For Helical Coil Wire S icrew Thr iead Inserts, fo ir Unified Thri eads
STI No.2-56UNCGH2Y874003P1.8750.2360.5620.1410.110.18731
STI No.4-40UNCGH1 GH2 GH3Y87403 Y87404 Y87004 Y87420 Y874193P 1.5P 3P 1.5P20.2760.6870.1410.110.18731
STI No.6-32UNCGH2Y87408 Y870083P 1.5P2.3750.3540.8750.1940.1520.2531
GH3Y874243P
STI No.6-40UNFGH2Y874093P2.1250.2760.750.1680.1310.2531
GH1Y81409
STI No.8-32UNCGH2 GH3Y87410 Y874263P2.3750.3540.9370.220.1650.28131
STI No.10-24UNCGH2 GH3Y87412 Y87428 Y870283P 1.5P2.50.43310.2550.1910.31232
STI No.10-32UNFGH2 GH3 GH5Y87413 Y87429 Y87029 Y870573P 1.5P2.50.35410.2550.1910.31232