UN - Unified

UNC, UNF, UNEF, UNS

EXTERNALINTERNAL
PitchLI.C.Ordering CodeXYOrdering CodeXY
TPIinRight HandLeft HandRight HandLeft Hand
32163/816 ER 32UN16 EL 32 UN0.60.616 IR 32UN16 IL 32 UN0.60.6
28163/816 ER 28UN16 EL 28 UN0.60.716 IR 28UN16 IL 28 UN0.60.7
27163/816 ER 27UN16 EL 27 UN0.70.816 IR 27UN16 IL 27 UN0.70.8
24163/816 ER 24UN16 EL 24 UN0.70.816 IR 24UN16 IL 24 UN0.70.8
20163/816 ER 20UN16 EL 20 UN0.80.916 IR 20UN16 IL 20 UN0.80.9
18163/816 ER 18UN16 EL 18 UN0.81.016 IR 18UN16 IL 18 UN0.81.0
16163/816 ER 16UN16 EL 16 UN0.91.116 IR 16UN16 IL 16 UN0.91.1
14163/816 ER 14UN16 EL 14 UN1.01.216 IR 14UN16 IL 14 UN0.91.2
13163/816 ER 13UN16 EL 13 UN1.01.316 IR 13UN16 IL 13 UN1.01.3
12163/816 ER 12UN16 EL 12 UN1.11.416 IR 12UN16 IL 12 UN1.11.4
11.5163/816 ER 11.5 UN16 EL 11.5 UN1.11.516 IR 11.5 UN16 IL 11.5 UN1.11.5
11163/816 ER 11UN16 EL 11 UN1.11.516 IR 11UN16 IL 11 UN1.11.5
10163/816 ER 10UN16 EL 10 UN1.11.516 IR 10UN16 IL 10 UN1.11.5
9163/816 ER 9UN16 EL 9 UN1.21.716 IR 9UN16 IL 9 UN1.21.7
8163/816 ER 8UN16 EL 8 UN1.21.616 IR 8UN16 IL 8 UN1.11.5
7221/222 ER 7UN22 EL 7 UN1.62.322 IR 7UN22 IL 7 UN1.62.3
6221/222 ER 6UN22 EL 6 UN1.62.322 IR 6UN22 IL 6 UN1.62.3
5221/222 ER 5UN22 EL 5 UN1.72.522 IR 5UN22 IL 5 UN1.62.3
4.522U1/2U22U ER/L 4.5 UN2.011.022U IR/L 4.5 UN2.411.0
422U1/2U22U ER/L 4 UN2.011.022U IR/L 4 UN2.411.0
4.5275/827 ER 4.5UN27 EL 4.5 UN1.92.727 IR 4.5UN27 IL 4.5 UN1.72.4
4275/827 ER 4UN27 EL 4 UN2.13.027 IR 4UN27 IL 4 UN1.82.7
327U5/8U27U ER/L 3 UN2.513.727U IR/L 3 UN2.713.7
233U3/4U33U ER/L 2 UN2.816.533U IR/L 2 UN3.616.9

Order example: 22ER 7 UN BMA

For small bore threading see page A06-13