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ATLAS ACME SERRATED HARD AND SOFT TOP JAWS
T-NUTS AND KEYS


|
Soft Jaws |
|
Chuck Size |
Part Number |
Length A |
Height B |
Width C |
Tongue D |
Bolt Size E |
Hole Spacing F |
Key Slot G |
|
8" |
7749-22038 |
3.75" |
2.0" |
1.5" |
.67" |
1/2" |
1.25 |
.601" |
|
10" |
7749-26047 |
4.12" |
2.31" |
1.75" |
.75" |
1/2" |
1.75" |
1.031" |
|
12" |
7749-32056 |
5.12" |
2.31" |
1.75" |
.875" |
5/8" |
2.0" |
1.031" |
|
15", 18" & 20" |
8140-40533 |
6.0" |
3.31" |
2.5" |
1.0" |
3/4" |
2.5" |
1.531" |
|
21"-Up |
8140-50533 |
6.0" |
3.31" |
3.0" |
1.25" |
7/8" |
3.0" |
1.531" |
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|
Chuck Size |
Part Number |
H |
Tapped Hole T |
Offset Pointed
Part Number |
Offset Pointed
A |
H |
Extra High
Part Number |
Extra High
B |
|
8" |
7749-22038 |
2.12" |
10-24 |
7749-22038OP |
N/A |
|
7749-22038EH |
N/A |
|
10" |
7749-26047 |
2.12" |
5/16"-18 |
7749-26047OP |
5.5" |
3.5" |
7749-26047EH |
3.31" |
|
12" |
7749-32056 |
2.87" |
5/16"-18 |
7749-32056OP |
5.5" |
3.25" |
7749-32056EH |
3.31" |
|
15", 18" & 20" |
8140-40533 |
2.62" |
3/8"-16 |
8140-40533OP |
7.5" |
4.25" |
8140-40533EH |
4.81" |
|
21"-Up |
8140-50533 |
2.62" |
3/8"-16 |
8140-50533OP |
7.5" |
4.25" |
8140-50533EH |
4.81" |

|
ard Top Jaws
|
|
Chuck Size |
Part Number |
Length A |
Height B |
Width C |
Tongue D |
Slot E |
Bolt Spacing F |
|
8" |
7749-22036 |
3.50" |
2.0" |
1.75" |
.67" |
.601" |
1.25" |
|
10" |
7749-26042 |
4.25" |
2.50" |
1.75" |
.75" |
1.031" |
1.75" |
|
12" |
7749-32052 |
4.87" |
2.50" |
1.75" |
.87" |
1.031" |
2.0" |
|
15", 18" & 20" |
8130-40632 |
5.5" |
3.31" |
2.5" |
1.0" |
1.531" |
2.5" |
|
21" & Up |
8130-50532 |
6.5" |
3.31" |
2.5" |
1.25" |
1.531" |
3.0" |

|
T-Nuts
|
|
Chuck Size |
Part Number |
Length A |
Height B |
Width C |
Neck D |
Bolt Size E |
Hole Spacing F |
Shoulder G |
|
8" |
2749-02407 |
2.0" |
1.0" |
.94" |
.670" |
1/2"-13 |
1.25" |
.44" |
|
10" |
2749-02417 |
2.5" |
.64" |
.94" |
.678" |
1/2"-13 |
1.75" |
.38" |
|
12" |
2749-02427 |
3.0" |
.74" |
1.06" |
.802" |
5/8"-11 |
2.0" |
.44" |
|
15", 18" & 20" |
8130-40531 |
3.5" |
.93" |
1.25" |
.933" |
3/4"-10 |
2.5" |
.55" |
|
21" & Up |
8130-50531 |
4.25" |
1.18" |
1.55" |
1.159" |
7/8"-9 |
3.0" |
.68" |

|
Keys |
|
Chuck Size |
Part Number |
Length A |
Height B |
Width C |
Neck D |
Bolt Size E |
|
8" |
2749-02405 |
1.5" |
.38" |
.6" |
.156" |
10–24 |
|
10" & 12" |
2749-02415 |
1.70" |
.5" |
1.030" |
.25" |
5/16"-18 |
|
12" |
2749-02425 |
2.25" |
.5" |
1.030" |
.25" |
5/16"-18 |
|
15” & Up |
8130-40530 |
2.87" |
.5" |
1.530" |
.25" |
3/8"-16 |
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|