Overall length LThread length ℓThread+Neck length ℓnShank length ℓsShank dia. DsSize of square KLength of square ℓk
PO Spiral PointedTaps
SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)ℓs (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesType
5/8-11UNCGH3 GH4 GH5PSU10U3NEB PSU10U4NEB PSU10U5NEB4.5P4.3311.024-2.2050.4800.360.56234
GH6PSU10U6NEB
5/8-18UNFGH3 GH4 GH5PSU10O3NEB PSU10O4NEB PSU10O5NEB4.5P4.3311.024-2.2050.4800.360.56234
3/4-10UNCGH5 GH6PSU12V5NEB PSU12V6NEB4.5P4.9211.299-2.520.5900.4420.68734
3/4-16UNFGH3 GH4 GH5PSU12P3NEB PSU12P4NEB PSU12P5NEB4.5P4.9211.299-2.520.5900.4420.68734
7/8-9UNCGH4 GH5 GH6PSU14W4NEB PSU14W5NEB PSU14W6NEB4.5P5.5121.299-2.7950.6970.5230.7534
7/8-14UNFGH4 GH6PSU14Q4NEB PSU14Q6NEB4.5P5.5121.299-2.7950.6970.5230.7534
1-8UNCGH4 GH5 GH6 GH7PSU16X4NEB PSU16X5NEB PSU16X6NEB PSU16X7NEB4.5P6.2991.457-3.2280.8000.60.81234
1-12UNFGH4 GH5 GH6PSU16S4NEB PSU16S5NEB PSU16S6NEB4.5P6.2991.457-3.2280.8000.60.81234
1 1/8-7UNCGH6 GH7PSU18Y6NEB PSU18Y7NEB4.5P7.0871.732-3.6220.8960.6720.87544
1 1/8-12UNFGH5 GH6PSU18S5NEB PSU18S6NEB4.5P7.0871.732-3.6220.8960.6720.87544
1 1/4-7UNCGH6 GH8PSU20Y6NEB PSU20Y8NEB4.5P7.0871.929-3.6221.0210.766144
1 1/4-12UNFGH5 GH6PSU20S5NEB PSU20S6NEB4.5P7.0871.929-3.6221.0210.766144
1 3/8-6UNCGH6 GH8PSU22Z6NEB PSU22Z8NEB4.5P7.8742.165-4.0161.1080.8311.06244
1 3/8-12UNFGH5 GH6PSU22S5NEB PSU22S6NEB4.5P7.8742.165-4.0161.1080.8311.06244
1 1/2-6UNCGH6 GH8PSU24Z6NEB PSU24Z8NEB4.5P7.8742.323-4.0161.2330.9251.12544
1 1/2-12UNFGH5 GH7PSU24S5NEB PSU24S7NEB4.5P7.8742.323-4.0161.2330.9251.12544