Long pattern extension sockets, oil toughened Externally precision ground with hardened tang

Morse taper outside - inside Model No. d3 mm Overall Length mm Length of extension mm 1 - 1 OT11-200 20 200 131 OT11-250 250 181 OT11-300 300 231 OT11-350 350 281 OT11-400 400 331 OT11-500 500 431 2 - 2 OT22-200 25 200 116 OT22-250 250 166 OT22-300 300 216 OT22-350 350 266 OT22-400 400 316 OT22-450 450 366 OT22-500 500 416 OT22-600 600 516 3 - 3 OT33-250 32 250 147  OT33-300 300 197 OT33-350 350 247 OT33-400 400 297 OT33-450 450 347 OT33-500 500 397 OT33-600 600 497 4 - 4 OT44-300 40 300 172 OT44-350 350 222  OT44-400 400 272 OT44-450 450 322 OT44-500 500 372 OT44-600 600 472

Blank End Sockets The blank end is left ‘soft’ for machining purposes.
The morse taper bore is a reamed finish and the outside diameter of the finished end is ground.         

Supplied with a centering plug (not illustrated) for the purpose of turning between centres. Inside Morse taper Blank End Details Diameter finished end mm Overall Length mm Model Dia. mm   Length mm 1 27 x 89 25 178 P91 2 32 x 121 30 216 P92 3 38 x 133 36.5 248 P93 4 48 x 165 46 305 P94 5 67 x 229 65 406 P95

Porta (UK) Ltd