ZELX NI PO STI

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

Specification

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

5〜10

(m/min) For icon explanation, refer to P.50

TYPE:1 TYPE:2

TYPETYPE::e3 TYPE:4

Segment:1E

SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesType
For Helical Coil Wire S icrew Thr iead Inserts, fo ir Unified Thri eadsl
STI No.2-56UNCGH2Y872004.5P1.8750.3350.5620.1410.110.18721
STI No.4-40UNCGH1 GH2Y87203 Y872044.5P20.4130.6870.1410.110.18731
STI No.6-32UNCGH2 GH3Y87208 Y872244.5P2.3750.5310.8750.1940.1520.2531
STI No.6-40UNFGH2Y872094.5P2.1250.4530.750.1680.1310.2531
STI No.8-32UNCGH2 GH3Y87210 Y872264.5P2.3750.5710.9370.220.1650.28131
STI No.10-24UNCGH2 GH3Y87212 Y872284.5P2.50.59110.2550.1910.31232
STI No.10-32UNFGH2 GH3Y87213 Y872294.5P2.50.59110.2550.1910.31232
STI 1/4-20UNCGH2 GH3Y87248 Y872584.5P2.7180.6691.1250.3180.2380.37533
STI 1/4-28UNFGH2 GH3Y87249 Y872594.5P2.7180.6691.1250.3180.2380.37533
STI 5/16-18UNCGH3Y872604.5P2.9370.7481.250.3810.2860.43733
STI 5/16-24UNFGH2 GH3Y87251 Y872614.5P2.9370.7481.250.3810.2860.43733