• Snap-on® impact sockets are heat treated to optimize impact service life with a lower hardness than hand sockets and are able to withstand repeated cycling loads of impact wrenches
• Snap-on® uses a proprietary blend of special alloy socket steel that provides long life and great strength
• Flank Drive® wrenching system delivers up to 20% more turning power without slipping or rounding while exceeding ANSI® performance standards
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311IMYA |
313IMD |
307IMDYA |
| Inches |
6 |
12 |
A |
B |
C |
D |
E |
6 |
6 |
12 |
| 3/8 |
IM120A |
IMD120A |
19/32 |
29/32 |
7/8 |
1-1/2 |
5/16 |
• |
• |
• |
| 7/16 |
IM140A |
IMD140A |
23/32 |
29/32 |
7/8 |
1-1/2 |
11/32 |
• |
• |
• |
| 1/2 |
IM160A |
IMD160A |
13/16 |
29/32 |
7/8 |
1-1/2 |
13/32 |
• |
• |
• |
| 9/16 |
IM180A |
IMD180A |
7/8 |
29/32 |
7/8 |
1-1/2 |
13/32 |
• |
• |
• |
| 5/8 |
IM200 |
IMD200 |
15/16 |
1 |
7/8 |
1-1/2 |
15/32 |
• |
• |
• |
| 11/16 |
IM220 |
IMD220 |
1-1/16 |
1-1/16 |
3/4 |
1-1/2 |
1/2 |
• |
• |
• |
| 3/4 |
IM240 |
IMD240 |
1-1/8 |
1-1/8 |
3/4 |
1-1/2 |
1/2 |
• |
• |
• |
| 13/16 |
IM260 |
IMD260 |
1-1/4 |
1-1/4 |
3/4 |
1-1/2 |
1/2 |
• |
• |
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| 7/8 |
IM280 |
IMD280 |
1-5/16 |
1-5/16 |
13/16 |
1-1/2 |
9/16 |
• |
• |
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| 15/16 |
IM300 |
IMD300 |
1-3/8 |
1-3/8 |
1-1/16 |
1-3/4 |
3/4 |
• |
• |
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| 1 |
IM320 |
IMD320 |
1-7/16 |
1-7/16 |
1-1/16 |
1-3/4 |
3/4 |
• |
• |
|
| 1-1/16 |
IM340 |
— |
1-9/16 |
1-9/16 |
1 |
2 |
13/16 |
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| 1-1/8 |
IM360 |
IMD360 |
1-5/8 |
1-5/8 |
1 |
2 |
13/16 |
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• |
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| 1-3/16 |
IM380 |
— |
1-11/16 |
1-1/2 |
1-3/32 |
2 |
13/16 |
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| 1-1/4 |
IM400 |
IMD400 |
1-3/4 |
1-1/2 |
1-5/32 |
2 |
13/16 |
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• |
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| 1-5/16 |
IM420H |
— |
1-7/8 |
1-1/2 |
1-3/8 |
2 |
7/8 |
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| 1-3/8 |
IM440 |
— |
1-15/16 |
1-1/2 |
1-3/8 |
2 |
7/8 |
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| 1-7/16 |
IM460 |
— |
2 |
1-1/2 |
1-3/8 |
2 |
15/16 |
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| 1-1/2 |
IM480 |
— |
2-1/8 |
1-9/16 |
1-3/8 |
2 |
15/16 |
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| 1-9/16 |
IM500 |
— |
2-1/4 |
1-5/8 |
1-11/16 |
2-5/16 |
15/16 |
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