彎頭，大大減小摩擦力，增加流動性，彎頭背部容易更換，維護方便，角度可以做到10，15，30，45，和60度角。
OD？B C D A WT lbs.OD？B C D A WT lbs
6 5/8"45°2'-2 1/2"2'-5 11/16"1'-4"2'-2 1/2"250 18"45°5'-10 3/8"6'-7 3/8"3'-9"6'-0"1510
8 5/8"45°2'-9 7/8"3'-2 1/16"1'-9"2'-10 1/2"375 20"45°6'-5 5/8"7'-5 1/16"4'-3"6'-8"1820
10 3/4"45°3'-6 15/16"3'-10 1/2"2'-2"3'-7"560 22"45°7'-1 3/4"8'-2 15/16"4'-9"7'-4"2160
12 3/4"45°4'-2 1/16"4'-8 3/8"2'-8"4'-3"780 24"45°7'-8 15/16"8'-6 11/16"4'-9"8'-0"2465
14"45°4'-7-16"5'-1 11/16"2'-11"4'-8"990 26"45°8'-3 15/16"9'-6 13/16"5'-5"8'-8"3015
16"45°5'-2 1/8"5'-10 3/4"3'-4"5'-4"1255 28"45°8'-10 15/16"10'-4"5'-10"9'-4"3610
OD？B C D A WT lbs.OD？B C D A WT lbs
6 5/8"45°2'-2 1/2"2'-5 11/16"1'-4"2'-2 1/2"250 18"45°5'-10 3/8"6'-7 3/8"3'-9"6'-0"1510
8 5/8"45°2'-9 7/8"3'-2 1/16"1'-9"2'-10 1/2"375 20"45°6'-5 5/8"7'-5 1/16"4'-3"6'-8"1820
10 3/4"45°3'-6 15/16"3'-10 1/2"2'-2"3'-7"560 22"45°7'-1 3/4"8'-2 15/16"4'-9"7'-4"2160
12 3/4"45°4'-2 1/16"4'-8 3/8"2'-8"4'-3"780 24"45°7'-8 15/16"8'-6 11/16"4'-9"8'-0"2465
14"45°4'-7-16"5'-1 11/16"2'-11"4'-8"990 26"45°8'-3 15/16"9'-6 13/16"5'-5"8'-8"3015
16"45°5'-2 1/8"5'-10 3/4"3'-4"5'-4"1255 28"45°8'-10 15/16"10'-4"5'-10"9'-4"3610
