ANSI ZELX FR

SpiralFlutedTapsforHighSpeedTapping

Specification

■Spiralflutedtapapplicableforsuchhighspeed Coating tapping as 15m/min to 25m/min. Under low tappingspeed,poorchipshapeandpoorchip ejectionmayoccurandcausetappingtroubles.

Recommended Tapping Speed depending on Materials

Low carbon steels Medium carbon steels

15低炭素鋼25 15中炭素鋼25

(m/min) (m/min)

TYPE:1 TYPE:2

TYPE:3 TYPE:4

Segment:1D

SizeClassCodeChamferLℓnDsKℓkNo.�of lTYPE
(inch)(inch)(inch)(inch)(inch)(inch)flutes
F�i�or�Unifie��id�Thread�i�s
No.4-40UNCGH2Y844012.5P1.8750.2360.5620.1410.110.18731
No.5-40UNCGH2Y844032.5P1.9370.2360.6250.1410.110.18731
No.6-32UNCGH3Y844052.5P20.2760.6870.1410.110.18731
No.8-32UNCGH3Y844072.5P2.1250.2760.750.1680.1310.2531
No.10-24UNCGH3Y844092.5P2.3750.3540.8750.1940.1520.2531
No.10-32UNFGH3Y844102.5P2.3750.2760.8750.1940.1520.2531
1/4-20UNCGH3Y844132.5P2.50.43310.2550.1910.31232
1/4-28UNFGH3Y844142.5P2.50.35410.2550.1910.31232
5/16-18UNCGH3Y844152.5P2.7180.4721.1250.3180.2380.37533
5/16-24UNFGH3Y844162.5P2.7180.3941.1250.3180.2380.37533
3/8-16UNCGH3Y844172.5P2.9370.5511.250.3810.2860.43733
3/8-24UNFGH3Y844182.5P2.9370.3941.250.3810.2860.43733
7/16-14UNCGH3Y844192.5P3.1560.591-0.3230.2420.40634
7/16-20UNFGH3Y844202.5P3.1560.472-0.3230.2420.40634
1/2-13UNCGH3Y844212.5P3.3750.63-0.3670.2750.43734
1/2-20UNFGH3Y844222.5P3.3750.472-0.3670.2750.43734
5/8-11UNCGH3Y844252.5P3.8120.748-0.480.360.56234