|
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
|
|
|
|
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
|
|
|
OD: 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 |