ECHNICAL INFORMATION 66622 T Subject Change of Hex. Socket Head Bolt M6x50 For Models HM1303, HM1303B Country All countries Description Hex. Socket Head Bolts M6x50 without adhesive have been replaced by ones with adhesive as illustrated below. Current New Hex. Socket Head Bolts M6x50 (4 pcs.) Gear Housing Cover without with adhesive adhesive (922371-4) (266304-2) Gear Housing Interchangeability(I/C) Item No. Current part Q'ty I/C New part Q'ty Note Hex. Socket Head Bolt M6x50 Hex. Socket Head Bolt M6x50 4 047 4 922371-4 266304-2 Interchangeability mark ; The arrow means that the new part is substituted for the current. Implementation To be informed later.