SP OX STI

Spiral Fluted Taps for Helical Coil Wire Screw Thread Inserts, Oxided

Specification

■ On parts made from comparatively soft materials, helical E coil wire thread inserts are often used in order to strengthen internal screws and increase toughness. SP OX STI Oxide produces threads oversize enough to accommodate helical Recommended Tapping Speed depending on Materials coil wire thread inserts. ow carbon steelsBrass

TYPE:1

55〜1015

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

TYPE:2 TYPE:3

Segment:1C

SizeClassCodeChamfer LℓnℓsDsKℓkNo. of lType
(inch)(inch)(inch)(inch)(inch)(inch)(inch)flutes
For Helical Coil Wire S icrew Thr iead Inserts, for iUnified Thi readsl
GH1SUUN2E1NEX
STI No.2-56UNCGH2SUUN2E2NEX2P2.2050.3540.7091.280.1410.110.18721
STI No.4-40UNCGH1 GH2SUUN4H1NEX SUUN4H2NEX2P2.480.5120.8271.4960.1680.1310.2521
STI No.6-32UNCGH1 GH2SUUN6J1NEX SUUN6J2NEX2P2.7560.5510.9451.6540.1940.1310.2531
STI No.8-32UNCGH1 GH2SUUN8J1NEX SUUN8J2NEX2P3.150.5910.9841.9290.2200.1650.28131
STI No.10-24UNCGH2 GH3SUUNAM2NEX SUUNAM3NEX2P3.150.5911.1811.7130.2550.1910.31231
STI No.10-32UNFGH2 GH3SUUNAJ2NEX SUUNAJ3NEX2P3.150.5911.1811.7130.2550.1910.31231
STI 1/4-20UNCGH2 GH3SUU04K2NEX SUU04N3NEX2P3.5430.7481.3781.8310.3180.2380.37532
STI 1/4-28UNFGH2 GH3SUU04N2NEX SUU04K3NEX2P3.5430.7481.3781.8310.3180.2380.37532
STI 5/16-18UNCGH2 GH3SUU05O2NEX SUU05O3NEX2P3.9370.9061.5352.0670.3810.2860.43732
STI 5/16-24UNFGH2 GH3SUU05M2NEX SUU05M3NEX2P3.9370.9061.5352.0280.3810.2860.43732
STI 3/8-16UNCGH2 GH3SUU06P2NEX SUU06P3NEX2P4.3311.024-2.2050.3670.2750.43733
STI 3/8-24UNFGH2 GH3SUU06M2NEX SUU06M3NEX2P3.9370.906-2.0080.3230.2420.40633