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Hexagonal Kelly

Specifications - Hexagonal Kelly

Nom. Size Available Lengths (A) Top Upset Bottom Upset Bore (E) Drive Section Wt. of 40 ft. Length
API Box Left-Hand Conn. OD (C) Right Hand Conn. OD (D) Across Corners (F) Across Flats (G)
(in.) (ft.) (in). (in.) (in.) (in.) (in.) (lb.)
3-1/2 37, 40, 46 6-5/8 REG 7-3/4 NC 31 (2-7/8 IF) 4-1/8 2* 3.937 3-1/2 1,300
4-1/2 REG 5-3/4 1,200
4-1/4 37, 40, 46 6-5/8 REG 7-3/4 NC 38 (3-1/2 IF) 4-3/4 2-1/4 4.781 4-1/4 1,740
5-1/4 40, 46, 54 6-5/8 REG 7-3/4 NC 46 (4 IF) 6 - 6-3/8 2-13/16 5.900 5-1/4 2,550
NC 50 (4-1/2 IF) 6-1/8 - 6-3/8 3
6 40, 46, 54 6-5/8 REG 7-3/4 NC 56 7 3-1/2 6.812 6 3,040



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