SAW SPLIT & CAP SCREW1" BORE (1.000/1.001)1/4" X 1/8" STD KEYWAYON C/L OF VALLEY(2) 5/16-18 UNC SET SCREWSSPROCKET FOR ANSI 35-1 CHAIN 36 TEETH4.511" O.D., 4.303" P.D."B" STYLE7/8" O.A.L.2 1/4" HUB O.D. X 0.711" LENGTHSOLID CONSTRUCTIONSINTERED METALCLEAN ONLY