Parts catalog FORCE: F1947 FLANGED 12 PT. SCREW, 5/16 - 18 X 2 H0352H77H, H0352H79L, H0353H78K, H0353H80M, H F1980 FLANGED 12 PT. SCREW, 1/4 - 20 X 1 1/4 H0606H84A :2