This is a genuine Massey Ferguson 963559M2 hexagon head screw, designed for secure fastening in a wide range of Massey Ferguson agricultural machinery. Featuring a 12mm thread diameter, 1.75mm thread pitch, and 35mm length under the head, this high-strength 8.8 grade screw ensures reliable performance. It is compatible with numerous MF tractor models, including the 35, 65, 135, 148, 165, 168, 175, 178, 185, 188, 230, 240, 250, 265, 275, 290, 550, 565, 575, 590, 595, 1004, 1014, 1024, 1080, 1085, 1104, 1114, 1134, 1200, 1250, 2620, 2640, 2680, 2720, 3050, 3060, 3065, 3070, 3075, 3080, 3085, 3090, 3095, 3115, 3120, 3125, 3610, 3630, 3645, 3650, 3655, 3670, 3680, 3690, 6120, 6130, 6140, 6150, 6160, 6170, 6180, 6190, 6230, 6240, 6255, 6260, 6265, 6270, 6280, 6290, 8110, 8120, 8130, 8140, 8150, 8160, 8170, 8180, 8210, 8220, 8240, 8250, 8260, 8270, and 8280 series.