Overall length Thread lengthThread + Neck lengthShank dia.Size of squareLength of square
L ℓℓnDsKℓk

ANSI ZELX NI SP STI Spiral Fluted Taps for Helical Coil Wire Screw Thread Inserts and for Nickel Base Alloys

SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesTYPE
No.10-24UNCGH2Y874123P2.50.43310.2550.1910.312l 32
No.10-24UNCGH2Y870121.5P2.50.43310.2550.1910.31232
No.10-24UNCGH3Y874283P2.50.43310.2550.1910.31232
No.10-24UNCGH3Y870281.5P2.50.43310.2550.1910.31232
No.10-24UNCGH5Y874451.5P2.50.43310.2550.1910.31232
No.10-32UNFGH2Y874133P2.50.35410.2550.1910.31232
No.10-32UNFGH3Y874293P2.50.35410.2550.1910.31232
No.10-32UNFGH3Y870291.5P2.50.35410.2550.1910.31232
No.10-32UNFGH5Y870571.5P2.50.35410.2550.1910.31232
1/4-20UNCGH2Y874483P2.7180.4721.1250.3180.2380.37533
1/4-20UNCGH3Y874583P2.7180.4721.1250.3180.2380.37533
1/4-20UNCGH3Y870581.5P2.7180.4721.1250.3180.2380.37533
1/4-20UNCGH5Y870901.5P2.7180.4721.1250.3180.2380.37533
1/4-28UNFGH2Y874493P2.7180.3941.1250.3180.2380.37533
1/4-28UNFGH2Y870591.5P2.7180.3941.1250.3180.2380.37533
1/4-28UNFGH3Y874593P2.7180.3941.1250.3180.2380.37533
1/4-28UNFGH5Y870911.5P2.7180.3941.1250.3180.2380.37533
5/16-18UNCGH2Y870601.5P2.9370.5511.250.3810.2860.43733
5/16-18UNCGH3Y874603P2.9370.5511.250.3810.2860.43733
5/16-18UNCGH4Y874703P2.9370.5511.250.3810.2860.43733
5/16-24UNFGH2Y874513P2.9370.3941.250.3810.2860.43733
5/16-24UNFGH3Y874613P2.9370.3941.250.3810.2860.43733
5/16-24UNFGH3Y870611.5P2.9370.3941.250.3810.2860.43733
3/8-16UNCGH3Y874623P3.3750.63-0.3670.2750.43734
3/8-16UNCGH3Y870621.5P3.3750.63-0.3670.2750.43734
3/8-16UNCGH4Y874723P3.3750.63-0.3670.2750.43734
3/8-24UNFGH2Y874533P3.1560.472-0.3230.2420.40634
3/8-24UNFGH2Y870631.5P3.1560.472-0.3230.2420.40634
3/8-24UNFGH3Y874633P3.1560.472-0.3230.2420.40634
3/8-24UNFGH5Y870851.5P3.1560.472-0.3230.2420.40634
7/16-14UNCGH3Y874643P3.5930.709-0.4290.3220.534
7/16-20UNFGH3Y874653P3.3750.472-0.3670.2750.43734
7/16-20UNFGH3Y870651.5P3.3750.472-0.3670.2750.43734
7/16-20UNFGH4Y874753P3.3750.472-0.3670.2750.43734
1/2-13UNCGH3Y874663P3.8120.748-0.480.360.56234
1/2-13UNCGH3Y870661.5P3.8120.748-0.480.360.56234
1/2-13UNCGH5Y870881.5P3.8120.748-0.480.360.56234
1/2-20UNFGH3Y874673P3.5930.512-0.4290.3220.534
1/2-20UNFGH3Y870671.5P3.5930.512-0.4290.3220.534