0.3906" first hole diameter 6.6875" overall length 0.0938 in. sawcut between halves, 3 holes in 2 holes in lower half, grooves in upper half only 17b segmented, plain, no outside flanges
0.3906" first hole diameter 7.3594" overall length 0.0938 in. sawcut between halves, 3 holes in upper half, 2 holes in lower half, grooves in upper half only 22b segmented, external flange one end
5.0000" overall length drill 0.3125 tap 0.375 in.-16 thd, 0.375 in. deep 2 holes for part in bushing part in drum, holes 5.7525 in. c to c 17c solid, plain, no outside flanges