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 Parallel Whitworth thread W W 3/1E 3/1E DIN 49301 Electrical engineering screw-in gauge rings D II and D III Glass screw thread Glasg Glasg 74.5 74.5 mm 84.5 mm 99 mm 123.5 mm 158 mm 188 mm DIN 40450 Electrical engineering cover glasses and caps 80° Steel conduit screw thread Pg 21 7 mm to 48 mm DIN 40430 Electrical engineering Tapping screw thread ST ST 3.5 1.5 mm to 9.5 mm DIN EN ISO 1478 Tapping screws Wood screw thread 1.6 mm to 20 mm DIN 7998 Wood screws Cycle thread FG FG 9.5 2 mm to 34.8 mm DIN 79012 Bicycles and motorcycles 1.375 24 6H/6g 1.375 DIN EN ISO 6698 Assembly of idler gears and hubs 4 1 Full designations are given in the relevant standards. 2 With DIN notice 04/99, it was announced that the DIN standards relating to steel conduit screw threads have been withdrawn and are superseded by metric cable glands in accordance with DIN EN 50262. D 458 WALTER Technical information threading Prototyp