SizeClassCodeChamferL (inch)ℓ (inch)ℓn (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesTYPE
5/8-11UNCGH3Y842255.5P3.8121.26-0.480.360.56234
5/8-18UNFGH3Y842265.5P3.8120.984-0.480.360.56234
3/4-10UNCGH3Y842275.5P4.251.467-0.590.4220.68744
3/4-16UNFGH3Y842285.5P4.251.142-0.590.4220.68744