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

DIN thread types (excerpt from DIN 202) Profile (diagram) Type of thread Symbol Short designation Examples Range of nominal sizes As specified in Application 60° ISO metric screw thread (single-start or multi-start) M M0.8 0.3 mm to 0.9 mm DIN 14-1 to DIN 14-4 Watches and precision engineering M0.8 2) 1 mm to 68 mm DIN 13-1 General purpose screw threads (coarse pitch threads) M24 x 4 P 2 DIN 13-52 M6 x 0.75 2) M8 x 1 LH 2) 1 mm to 1000 mm DIN 13-2 to DIN 13-11 To be used where pitch of coarse thread is too large (fine pitch thread) M24 x 4 P 2 DIN 13-52 M64 x 4 64 mm and 76 mm DIN 6630 External barrel threads M30 x 2 4H5H 1.4 mm to 355 mm LN 9163-1 to LN 9163-7 LN 9163-10 and LN 9163-11 Aerospace ISO metric screw thread with transition tolerance (formerly interference thread) M10 Sn 4 M10Sk6 3 mm to 150 mm DIN 13-51 For screw-in ends on studs Non-sealing M10 Sn 4 sealing Sealing Metric screw thread with large clearance M36 12 mm to 180 mm DIN 2510-2 Bolted connections involving bolts with waisted shank ISO metric screw thread helical coil thread for inserts EG M EG M20 2 mm to 52 mm DIN 8140-2 Helical coil thread (coarse pitch and fine pitch thread) for wire thread inserts ISO metric interference thread MFS MFS 12 x 1.5 5 mm to 16 mm DIN 8141-1 For interference fit in aluminum cast alloys (coarse pitch and fine pitch thread) 60° d 1:16 Metric tapered external screw thread M M30 x 2 keg M30 x 2 keg (short) 6 mm to 16 mm DIN 158-1 Screw plugs and lubricating nipples 105° Tapping taper external screw thread S S 8 x 1 6 mm to 10 mm DIN 71412 Taper lubricating nipples screw threads similar to DIN 158-1 threads but with flank angle of 105° 1 Full designations are given in the relevant standards. 2 Designation in DIN ISO 965-1. D 454 WALTER PROTOTYP Technical information threading