FORMAT DIN screw thread type 4481

Design: Made of aluminium, anodised, deep black print, sealed against scratches, with tables on the front and back for ISO metric thread (DIN 13), Whitworth thread (DIN 11), Whitworth pipe thread (DIN 259).

Application: For direct reading of all major theoretical thread dimensions as well as the wedge width, the wedge height and the shaft and hub groove depths for 10?500 mm shaft Ø.