치수 단위: mm 101.6 16 18 3.5 47.2 2.3 3 60.9 17 ø4 45 0 5 ø18.3 329-250-30, 329-251-30 101.6 (63.5) 16 18 3 65.4 17 ø4 ø18.3 129-109, 129-113 ( ): 129-109 71