Triumph & BSA Clutch Center Plate Countersunk Screw Set. These little screws are always damaged and should be replaced once you remove them! Peen them over and your good to go! 3 screws are included and the thread diameter is 13/64", total length is 9/16" and the thread pitch is 28 TPI (U.H.). Fits Triumph 650 Twins (Bonneville, T120R, TR6R, Etc) from 1963-1970. Fits Triumph 350 & 500 Unit Twins (Tiger, 3TA, T100A, Daytona, Etc) from 1960-1970. Also fits the BSA Unit Twins from 1966-1970 with the 3-spring clutch hub. Please refer to your parts catalog for proper fitment.
*****Please note that these screws will not work with clutch hubs that used the "bolt" rather then the countersunk screws as used on Triumph / BSA 650 and 750 twins from 1971 & On. Check your parts book.*****
•Made in England
•O.E.M Part number is 57-1040, 42-3183 or T1040