SP STI ANSI

Spiral Fluted Taps for Helical Coil Wire Screw Thread Inserts

Specification

■ Spiral pointed tap to cut internal threads for helical coil to enter.

Recommended Tapping Speed depending on Materials

BrassBrass castingsBronzeWrought aluminumAluminum alloy castingsMagnesium alloy die castingsZinc alloy castings
5 黄銅155黄銅鋳物155 青銅155アルミ圧延材15アルミ合金鋳物515マグネシウム合金鋳物515亜鉛合金鋳物515
(m/min)(m/min)( m/ min)(m/min)(m/min)( m/ min)(m/min)

TYPE:1

TYPE:2 TYPE:3

Segment:1C

SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)ℓs (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesTYPE
For iUnifiedi Threadi sl
No.2-56UNCGH1SUUN2E1NEB2P2.2050.3540.7091.280.1410.110.18721
No.2-56UNCGH2SUUN2E2NEB2P2.2050.3540.7091.280.1410.110.18721
No.4-40UNCGH1SUUN4H1NEB2P2.480.5120.8271.4960.1680.1310.2521
No.4-40UNCGH2SUUN4H2NEB2P2.480.5120.8271.4960.1680.1310.2521
No.6-32UNCGH1SUUN6J1NEB2P2.7560.5510.9451.6540.1940.1310.2531
No.6-32UNCGH2SUUN6J2NEB2P2.7560.5510.9451.6540.1940.1310.2531
No.8-32UNCGH1SUUN8J1NEB2P3.150.5910.9841.9290.220.1650.28131
No.8-32UNCGH2SUUN8J2NEB2P3.150.5910.9841.9290.220.1650.28131
No.10-24UNCGH2SUUNAM2NEB2P3.150.5911.1811.7130.2550.1910.31231
No.10-24UNCGH3SUUNAM3NEB2P3.150.5911.1811.7130.2550.1910.31231
No.10-32UNFGH2SUUNAJ2NEB2P3.150.5911.1811.7130.2550.1910.31231
No.10-32UNFGH3SUUNAJ3NEB2P3.150.5911.1811.7130.2550.1910.31231
1/4-20UNCGH2SUU04N2NEB2P3.5430.7481.3781.8310.3180.2380.37532
1/4-20UNCGH3SUU04N3NEB2P3.5430.7481.3781.8310.3180.2380.37532
1/4-28UNFGH2SUU04K2NEB2P3.5430.7481.3781.8310.3180.2380.37532