| PART NUMBER |
SHORT DESCRIPTION |
CHUCK SIZE |
A |
B |
C |
D |
E |
F |
G |
BOLT |
| JN-WC8 |
HR STD 8" SQ SERR JAW NUT |
8" WC |
2 1/8 |
0.996 |
0.993 |
0.748 |
7/8 |
1 7/16 |
3/8 |
1/2–13 |
| JN-SP-8 |
HR STD 8" SQ SERR JAW NUT |
8" |
2 1/8 |
0.996 |
0.875 |
0.498 |
7/8 |
1 7/16 |
3/8 |
3/8–16 |
| JN-SP-10/12 |
HR STD 10/12" SQ SERR JAW NUT |
10"- 12" |
2 7/16 |
1 |
1.000 |
0.748 |
1 1/16 |
1 3/4 |
3/8 |
1/2–13 |
| JN-SP-12CC |
HR STD 12" SQ SERR JAW NUT |
12"CC |
2 1/2 |
1 |
1.000 |
0.748 |
1 1/16 |
1 3/4 |
3/8 |
5/8–11 |
| JN-SP-15/18 |
HR STD 15/18" SQ SERR JAW NUT |
15"- 18" |
3 3/4 |
1 1/4 |
1.250 |
1.000 |
1 9/16 |
2 1/2 |
7/16 |
3/4–10 |
| JN-SP-21/24 |
HR STD 21/24" SQ SERR JAW NUT |
21"- 24" |
4 1/2 |
1 1/4 |
1.25 |
1.000 |
1 9/16 |
3 |
7/16 |
3/4–10 |
