ral FluedapOverall lengthThread lengthThread+Neck lengthShank lengthShank dia.Size of squareLength of square
P Spiral Fluted TapsLℓnℓsDsKℓk
SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)ℓs (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesType
1 1/2-6UNCGH5 GH6SSU24Z5NEB SSU24Z6NEB2.5P7.8742.323-4.0161.2330.9251.12544
1 1/2-12UNFGH4 GH5SSU24S4NEB SSU24S5NEB2.5P7.8742.323-4.0161.2330.9251.12544