Hex Nuts DIN 934 / ISO4032 / IS 1364 (Part 3)
Nylon / Metal Insert Flange Lock Nut
Metal Insert Flange Lock Nut
Heavy Hex Nut (IS:6623/ANSI B18.2.2/ASTM A-194)
Wing Nuts DIN 315 (ANSI B 18.17)
T-Nut (Four Prong Tee-Nut) DIN 1624
A Flange nut is a nut that has a wide flange at one end that acts as an integrated, non-spinning washer.
Also known as, Nylon insert Flange Lock nut, it is a kind of hex flange nut , with a nylon-filled collar at its back end and an enlarged circular base flaring out from the front end of the nut.
Square Weld Nut (JISB-1196 / DIN 927)