CE RJ PHG 250 0902 Copyright 2002 by Wurth 03023 Flexible Ratchet Ring Wrench Set Art No 71425350 6 pieces Flexible ratchet head metric version Power takeoff ring end POWERDRIV bihexagonal fine pitch 72 teeth Material ChromeVanadium steel Surface finish bright polished chrome plated Geometry open end offset 15 ring end 180 joint sturdy heads for heavy duty use Application loosen screws with open end unscrew with ratchet mechanism of ring end Attention This is a special tool that may not be subjected to loads in excess of maximum torque values For that reason the tool is of limited suitability for loosening of tight screws Note Articles in red are Special Orders only L mm a1 mm a2 mm o d mm b1 mm F max Art No P Qty mm Nm ftlb 8 140 49 65 159 167 35 25 71425308 1 10 159 56 73 191 209 59 43 71425310 12 172 61 82 217 251 91 67 71425312 13 178 67 86 236 272 109 80 71425313 17 226 81 103 305 355 205 151 71425317 19 248 91 112 325 397 266 196 71425319 The 180 articulated joint of the ring wrench allows easy and flexible access to work even in tight areas POWERDRIV The POWERDRIV system was developed to meet the particularly high demands of the aviation industry in order to provide the highest level of fit tolerences The POWERDRIV system enables a high transmission of forces at the ring and reduces wear on the bolt heads The Principle The POWERDRIV does not grip the bolt heads as usually at the corners but on the flanks This enlarges the driving flat The force is applied over the entire surface This permits a surer grip of the ring and a higher transmission of force The service life of bolts is noticeably increased because rounding off of the bolt heads and damage to surface coatings is avoided Even old and rusty bolts can be undone with POWERDRIV without any rounding off Without POWERDRIV line pressure With POWERDRIV surface pressure