API-1 Square Kelly/Hexagonal Kelly Manufacturing
Product Features
Kelly Specification
Nom. Size |
Top Connection(LH) |
Bottom Connection |
I.D. (in) |
Drive Section |
||||
(in) |
(in) |
|||||||
Nom. Size |
Standard |
Optional |
Square |
Hex. |
Square |
Hex. |
A |
B |
(in) |
O.D.(in) |
O.D.(in) |
O.D.(in) |
O.D.(in) |
|
|
|
|
2 1/2 |
6-5/8REG 7-3/4 |
4-1/2REG 5-3/4 |
NC26 |
|
1 1/4 |
|
3 2/7 |
|
3 |
6-5/8REG 7-3/4 |
4-1/2REG 5-3/4 |
NC31 4-1/8 |
NC26 3-3/8 |
1 3/4 |
1 1/4 |
4 |
3 3/8 |
3 1/2 |
6-5/8REG 7-3/4 |
4-1/2REG 5-3/4 |
NC38 4-3/4 |
NC31 4-1/8 |
2 1/4 |
1 3/4 |
4 1/2 |
4 |
4 1/4 |
6-5/8REG 7-3/4 |
4-1/2REG 5-3/4 |
NC46 6-1/4 |
NC38 4-3/4 |
2 4/5 |
2 1/4 |
5 4/7 |
4 4/5 |
6-5/8REG 7-3/4 |
4-1/2REG 5-3/4 |
NC50 6-3/8 |
NC38 4-3/4 |
2 4/5 |
2 1/4 |
5 4/7 |
4 4/5 |
|
5 1/4 |
6-5/8REG 7-3/4 |
|
5-1/2FH 7 |
NC46 6-1/4 |
3 1/4 |
3 |
7 |
6 |
6-5/8REG 7-3/4 |
|
NC56 7 |
NC50 6-3/8 |
3 1/4 |
3 1/4 |
7 |
6 |
|
6 |
6-5/8REG 7-3/4 |
|
|
5-1/2FH 7 |
|
3 1/2 |
|
6 4/5 |
6-5/8REG 7-3/4 |
|
|
NC56 7 |
|
3 1/2 |
|
6 4/5 |
|
Connection |
Hole Size |
Fishing Neck |
ID |
OAL |
Fishing Neck length |
Blade Length |
Blade Width |
|
8-5/8 REG Box x pin |
42" |
11" |
3" |
118-130" |
32" |
24" |
6.5" |
|
7-5/8 REG Box x pin |
36" |
9.5" |
3" |
110-120" |
30" |
22" |
6.5" |
|
7-5/8 REG Box x pin |
28" |
9.5" |
3" |
100-110" |
30" |
20" |
4" |
|
7-5/8 REG Box x pin |
26" |
9.5" |
3" |
100-110" |
30" |
20" |
4" |
|
7-5/8 REG Box x pin |
24" |
9.5" |
3" |
100-110" |
30" |
20" |
4" |
|
7-5/8 REG Box x pin |
22" |
9.5" |
3" |
100-110" |
30" |
20" |
4" |
|
7-5/8 REG Box x pin |
17 1/2" |
9.5" |
3" |
90-100" |
30" |
18" |
3.5" |
|
7-5/8 REG Box x pin |
16" |
9.5" |
3" |
90-100" |
30" |
18" |
3.5" |
|
6-5/8 REG Box x pin |
12 1/2" |
8" |
2 13/16" |
79-90" |
30" |
18" |
3" |
|
7-5/8 REG Box x pin |
12 1/4" |
8" |
2 13/16" |
79-90" |
30" |
18" |
3" |
|
4 1/2 IF Box x pin |
8 1/2" |
6 3/4" |
2 13/16" |
65-72" |
28" |
16" |
2.25" |
|
3-1/2 IF Box x pin |
6" |
4 3/4" |
2 1/4" |
60-66" |
28" |
16" |
2" |
|