ZELX FR

Spiral Fluted Taps for High Speed Tapping

Specification

■ Spiral Fluted Tap applicable for such high speed tapping E Coating as 15m/min to 25m/min. Under low tapping speed, poor chip shape and poor chip ejection may occur and cause tapping troubles.

Recommended Tapping Speed depending on Materials

ow carbon steels Medium carbon steels

15〜25 15〜25

For icon explanation, refer to P.50

TYPE:1 TYPE:2

TYPE:3 TYPE:4

Segment:1D

SizeClassCodeChamferLℓnDsKℓkNo. of Type
(inch)(inch)(inch)(inch)(inch)(inch)flutes

For Unified Threads

No.4-40UNCGH2Y844012.5P1.8750.2360.5620.1410.110.18731
No.5-40UNCGH2Y844032.5P1.9370.2360.6250.1410.110.18731
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
5/8-18UNFGH3Y844262.5P3.8120.512-0.480.360.56234
3/4-10UNCGH3Y844272.5P4.250.827-0.590.4420.68744
3/4-16UNFGH3Y844282.5P4.250.591-0.590.4420.68744