3/8-24 Form Tap, Semi-Bottoming DIN 371 Standard, HSS-E (Cobalt), H7/H8, TiN Coated With Oil Grooves Type: Form Tap,Number of Flutes: 5,Hole Type :Blind Hole 90mm Overall Length, 10mm Shank Diameter, 35mm Threading Depth, Without Coolant Through, Chamfer Form C: 2 to 3 Lead Threads Series No. 1584, Order Code 09.5250, Guhring Part #9015840095250