DIN thread types (excerpt from DIN 202) Profile (diagram) Type of thread Symbol Short designation 1 Examples Range of nominal sizes As specified

DIN thread types (excerpt from DIN 202) Profile (diagram) Type of thread Symbol Short designation 1 Examples Range of nominal sizes As specified in Application 30° ISO metric (single-start or multi-start thread) trapezoidal screw thread TR Tr 40 x 7 Tr 40 x 14 P 7 8 mm to 300 mm DIN 103-1 to DIN 103-8 General Flat ISO metric (single-start or multi-start) trapezoidal screw thread Tr 40 x 7 Tr 40 x 14 P 7 DIN 380-1 and DIN 380-2 30° Trapezoidal (single-start or two-start) screw thread with clearance Tr 48 x 12 48 mm DIN 263-1 and DIN 263-2 Rail vehicles Tr 40 x 16 P 8 40 mm Tr 32 x 1.5 10 mm to 56 mm DIN 6341-2 Drawback collets Rounded trapezoidal screw thread Tr 40 x 5 26 mm to 80 mm DIN 30295-1 and DIN 30295-2 Rail vehicles 97// Trapezoidal thread KT KT 22 10 mm to 50 mm DIN 6063-2 Plastic containers 1 Full designations are given in the relevant standards. D 455 Technical information threading WALTER PROTOTYP