ANSI PO STI

Spiral Pointed 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:1E

SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)ℓs (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesTYPE
For iUnifiedi Threadi sl
No.2-56UNCGH1PUUN2E1NEB5P2.2050.3540.7091.280.1410.110.18721
No.2-56UNCGH2PUUN2E2NEB5P2.2050.3540.7091.280.1410.110.18721
No.4-40UNCGH1PUUN4H1NEB5P2.480.5120.8271.4960.1680.1310.2521
No.4-40UNCGH2PUUN4H2NEB5P2.480.5120.8271.4960.1680.1310.2521
No.6-32UNCGH1PUUN6J1NEB5P2.7560.5510.9451.6540.1940.1310.2521
No.6-32UNCGH2PUUN6J2NEB5P2.7560.5510.9451.6540.1940.1310.2521
No.8-32UNCGH1PUUN8J1NEB5P3.150.5910.9841.9290.220.1650.28121
No.8-32UNCGH2PUUN8J2NEB5P3.150.5910.9841.9290.220.1650.28121
No.10-24UNCGH2PUUNAM2NEB5P3.150.5911.1811.7130.2550.1910.31221
No.10-24UNCGH3PUUNAM3NEB5P3.150.5911.1811.7130.2550.1910.31221
No.10-32UNFGH2PUUNAJ2NEB5P3.150.5911.1811.7130.2550.1910.31221
No.10-32UNFGH3PUUNAJ3NEB5P3.150.5911.1811.7130.2550.1910.31221
1/4-20UNCGH2PUU04N2NEB5P3.5430.7481.3781.8310.3180.2380.37522
1/4-20UNCGH3PUU04N3NEB5P3.5430.7481.3781.8310.3180.2380.37522
1/4-28UNFGH2PUU04K2NEB5P3.5430.7481.3781.8310.3180.2380.37522
1/4-28UNFGH3PUU04K3NEB5P3.5430.7481.3781.8310.3180.2380.37522