O lverall ength Thre lengad th Thread+N lengtheck Shank dia.Size of squareLength of square
ELX NI SPSpiralFluted Taps for Nickel Base AlloysL ℓℓnDsKℓk
SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesType
5/16-24UNFGH6 GH7Y87563 Y875763P2.7180.3941.1250.3180.2380.37533
3/8-16UNCGH3 GH5Y87517 Y87017 Y87547 Y870473P 1.5P 3P 1.5P2.9370.5511.250.3810.2860.43733
3/8-24UNFGH3 GH4 GH5 GH6Y87518 Y87533 Y87033 Y87548 Y875643P 1.5P 3P2.9370.3941.250.3810.2860.43733
GH7Y87578
7/16-14UNCGH3 GH5Y87519 Y875493P3.1560.591-0.3230.2420.40634
7/16-20UNFGH3 GH5Y87520 Y87573 Y87550 Y870503P 1.5P 3P 1.5P3.1560.472-0.3230.2420.40634
1/2-13UNCGH3 GH5 GH7Y87521 Y87500 Y87551 Y87051 Y875813P 1.5P 3P 1.5P 3P3.3750.630-0.3670.2750.43734
1/2-20UNFGH3 GH5 GH7Y87522 Y87022 Y87552 Y875823P 1.5P 3P3.3750.472-0.3670.2750.43734
9/16-18UNFGH3 GH5Y88554 Y885423P3.5930.512-0.4290.3220.534
5/8-11UNCGH3 GH5 GH7Y87525 Y87555 Y875853P3.8120.748-0.4800.360.56244
5/8-18UNFGH3 GH4 GH5Y87526 Y81508 Y87536 Y875563P 1.5P 3P3.8120.512-0.4800.360.56244
3/4-10UNCGH3 GH5Y87527 Y87027 Y875573P 1.5P 3P4.250.827-0.5900.4420.68744
3/4-16UNFGH3 GH5Y87528 Y875583P4.250.591-0.5900.4420.68744