Kelly & Kelly Cock

SQUARE KELLY

Square Kelly

STANDARD SIZE FOR SQUARE KELLY

Size (in) Length (ft) Top upset joint Bottom upset Bore Drive Section Weight
A B LH OD C (in) RH OD (in) E (in) F (in) G (in) (Ib)
2 1/2 40 37 6 5/8" Reg 7 3/4 2 3/8 IF 3 3/8 1 1/4 3 1/4 2 1/2 902
  46 43 6 5/8" Reg 7 3/4 2 3/8 IF 3 3/8 1 1/4 3 1/4 2 1/2 1023
3 40 37 6 5/8" Reg Apr-73 2 7/8IF 4 1/8 1 3/4 3 7/8 3 1089
  46 43 6 5/8" Reg 7 3/4 2 7/8IF 4 1/8 1 3/4 3 7/8 3 1232
3 1/2 40 37 6 5/8" Reg 7 3/4 3 1/21F 4 3/4 2 1/4 4  7/16 3 1/2 1320
  46 43 6 5/8" Reg 7 3/4 3 1/21F 4 3/4 2 1/4 4  7/16 3 1/2 1474
  54 51 6 5/8" Reg 7 3/4 3 1/21F 4 3/4 2 1/4 4  7/16 3 1/2 1716
4 1/4 40 37 6 5/8" Reg 7 3/4 4 IF 6 2 13/16 5 1/2 4 1/4 1815
  46 43 6 5/8" Reg 7 3/4 4 IF 6 2 13/16 5 1/2 4 1/4 2068
  54 51 6 5/8" Reg 7 3/4 4 IF 6 2 13/16 5 1/2 4 1/4 2354
5 1/4 40 37 6 5/8" Reg 7 3/4 NC50 7 3 1/4 6 7/8 5 1/4 2750
  46 43 6 5/8" Reg 7 3/4 NC50 7 3 1/4 6 7/8 5 1/4 3146
  54 51 6 5/8" Reg 7 3/4 NC50 7 3 1/4 6 7/8 5 1/4 3674
6 40 37 6 5/8" Reg 7 3/4 6 5/8 FH 8 3 1/2 7 5/8 6 3674
  46 43 6 5/8" Reg 7 3/4 6 5/8 FH 8 3 1/2 7 5/8 6 6 4224
  54 51 6 5/8" Reg 7 3/4 6 5/8 FH 8 3 1/2 7 5/8 6 4950

HEXAGONAL KELLY

Hex Kelly

STANDARD SIZE FOR HEX KELLY

Size
(in)
Length (ft) Top upset joint Bottom upset Bore Drive Section Weight
(lb)  
A B LH OD C (in) RH OD (in) E (in) F (in) G (in)
3 40 37 6 5/8" Reg 7 3/4 2 3/8IF 3 3/8 1 1/2 3 3/8 3 990
  46 43 6 5/8" Reg 7 3/4 2 3/8IF 3 3/8 1 1/2 3 3/8 3 1100
3 1/2 40 37 6 5/8" Reg 7 3/4 2 7/8IF 4 1/8 1 3/4 4 15/16 3 1/2 1276
  46 43 6 5/8" Reg 7 3/4 2 7/8IF 4 1/8 1 3/4 4 15/16 3 1/2 1474
  54 51 6 5/8" Reg 7 3/4 2 7/8IF 4 1/8 1 3/4 4 15/16 3 1/2 1716
4 1/4 40 37 6 5/8" Reg 7 3/4 3 1/21F 4 3/4 2 1/4 4 25/32 4 1/4 1650
  46 43 6 5/8" Reg 7 3/4 3 1/21F 4 3/4 2 1/4 4 25/32 4 1/4 1848
  54 51 6 5/8" Reg 7 3/4 3 1/21F 4 3/4 2 1/4 4 25/32 4 1/4 2156
5 1/4 40 37 6 5/8" Reg 7 3/4 4 IF 6 213/16 5 29/32 5 1/4 2244
  46 43 6 5/8" Reg 7 3/4 4 IF 6 2 13/16 5 29/32 5 1/4 2574
  54 51 6 5/8" Reg 7 3/4 4 IF 6 2 13/16 5 29/32 5 1/4 2970
6 40 37 6 5/8" Reg 7 3/4 4 1/2IF 7 3 1/2 6 13/16 6 2904
  46 43 6 5/8" Reg 7 3/4 4 1/2IF 7 3 1/2 6 13/16 6 3300
  54 51 6 5/8" Reg 7 3/4 4 1/21F 7 3 1/2 6 13/16 6 3894

 

 

 

KELLY COCK

Kelly CockOD: 4 3/4, 5 5/16, 6 5/8, 7, 7 1/4, 7 3/4, 8 inch. The body is made of a single piece of forged AISI 4145 H modified alloy steel, full treated to 285-341 Brinell Hardness and 40 ft-lb