Partial Profile 55°

EXTERNAL INTERNAL

L I.C. Pitch Range Ordering Code Ordering Code X Y

in mm TPI Right Hand Left Hand Right Hand Left Hand

65/320.5 - 1.25 48 - 20ULTRA MINIATURE *06 IR A55 *06 IL A550.5 0.6
83/160.5 - 1.5 48 - 16MINIATURE *08 IR A55 *08 IL A550.6 0.7
8U3/16U 1.75 - 2.0 14 - 11“U” MINIATURE*08U IR/L U550.9 4.0
111/40.5 - 1.5 48 - 16 11 ER A55 11 EL A5511 IR A5511 IL A550.8 0.9
163/80.5 - 1.5 48 - 16 16 ER A55 16 EL A5516 IR A5516 IL A550.8 0.9
163/81.75 - 3.0 14 - 8 16 ER G55 16 EL G5516 IR G5516 IL G551.2 1.7
163/80.5 - 3.0 48 - 8 16 ER AG55 16 EL AG5516 IR AG55 16 IL AG551.2 1.7
221/23.5 - 5.0 7 - 5 22 ER N55 22 EL N5522 IR N5522 IL N551.7 2.5
22U1/2U5.5 - 8.0 4.5 - 3.2522U E/I/R/L U550.9 11.0
275/85.5 - 6.0 4.5 - 4 27 ER Q55 27 EL Q5527 IR Q5527 IL Q552.0 2.9
27U5/8U6.5 - 9.0 4 - 2.7527U E/I/R/L U551.2 13.7

* Available only in BXC and BMA grades

Order example: 16 ER G55 MXC

For small bore threading see page A06-12

Type B

Ground profile with sintered chip-breaker

EXTERNAL INTERNAL

LI.C.Pitch RangeOrdering CodeOrdering CodeXY
inmmTPIRight HandRight Hand
163/81.75 - 3.014 - 8 16 ER B G55 16 IR B G551.2 1.7
163/80.5 - 3.048 - 8 16 ER B AG55 16 IR B AG551.2 1.7

Order example: 16 ER B G55 BMA