A-A-1357B
3.2 Dimensions and Sizes.
|
Wrench Opening (Distance Across Flats) |
Length Overall (Max.) |
Width of Head (Max.) |
Thickness of Bead (Max.) |
Torque Load (Min.) |
|
Inches |
Inches |
Inches |
Inches |
In-lbs. |
|
3/8 |
4- 1/8 |
1 |
17/64 |
540 |
|
7/16 |
4-3/4 |
1-1/4 |
5/16 |
760 |
|
1/2 |
4-5/8 |
1-1/4 |
5/16 |
1,170 |
|
9/16 |
5-1/2 |
1-15/32 |
3/8 |
1,640 |
|
5/8 |
6-3/8 |
1-11/16 |
7/16 |
2,600 |
|
11/16 |
6-1/2 |
1-15/16 |
7/16 |
3,000 |
|
3/4 |
7-1/8 |
1-15/16 |
7/16 |
3,200 |
|
13/16 |
8 |
2-3/16 |
1/2 |
3,480 |
|
7/8 |
8-1/2 |
2-3/16 |
1/2 |
3,910 |
|
15/16 |
9-1/2 |
2-5/16 |
9/16 |
4,860 |
|
1 |
9-1/4 |
2-5/16 |
9/16 |
5,580 |
|
1-1/16 |
10-1/2 |
2-13/16 |
5/8 |
6,390 |
|
1-1/8 |
10-1/2 |
2-13/16 |
5/8 |
6,390 |
|
1-1/4 |
12 |
3-3/16 |
3/4 |
8,500 |
|
1-5/16 |
11-7/8 |
3-3/16 |
3/4 |
9,450 |
|
1-7/16 |
13-1/2 |
3-7/8 |
7/8 |
11,300 |
|
1-1/2 |
13-1/2 |
3-7/8 |
7/8 |
12,420 |
|
1-5/8 |
15 |
4 |
7/8 |
14,850 |
|
1-11/16 |
15 |
4 |
7/8 |
17,280 |
|
1-13/16 |
16-1/2 |
4-1/2 |
15/16 |
22,500 |
|
1-7/8 |
16-1/2 |
4-1/2 |
15/16 |
25,920 |
|
2 |
18-1/4 |
4-13/16 |
1 |
33,480 |
|
2-3/16 |
20 |
5 |
1-1/8 |
46,620 |
|
2-1/4 |
20 |
5 |
1-1/8 |
51,660 |
|
2-3/8 |
22 |
6 |
1-1/4 |
61,560 |
3.3 Materials. The materials used in the manufacturing of the wrenches shall be such as to produce wrenches conforming to the physical requirements hereinafter described.
3.4 Marking. Each wrench shall be marked on one of the faces or on the handle as close to each head as is practicable in a plain and permanent manner. In addition to size markings, each wrench shall be marked in a plain and permanent manner with the manufacturer’s name or trademark of such known character that the source of manufacture may be readily determined.
3.5 Hardness. Wrenches shall be treated to a Rockwell C hardness not less that38 nor more than 55 when tested per ASTM-E- 18.
3.6 Proof Torque. When tested as specified in ASME-B 107.6, the wrenches shall withstand the proof torque specified in Table 1 without failure or permanent deformation which might affect the durability or serviceability of the wrenches.
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