A-A-51131A
January 30, 1990
SUPERSEDING
A-A-51131
July 2, 1984
COMMERCIAL ITEM DESCRIPTION
TOOL HOLDER, SHAPER EXTENSION
The General Services Administration has authorized the use of this commercial item description.
1. SCOPE.
1.1 Scope. This description covers tool holders with shaper extension bar and holder of the standard, heavy duty, commercial type, which are used in a production environment.
1.2 Classification. Tool holders covered by this description shall be of the sizes specified in table I. The size to be furnished shall be as specified (see 6.1). Shaper extension bar sizes and bushing sizes for the shaper extension holder shall be of the sizes listed in tables II and III. The sizes to be furnished shall be as specified (see 6.1). The tolerances for all dimensional data shall be the manufacturer’s standard as specified on their part drawings.
TABLE I. Tool holder, size and dimensions.
Tool holder size |
Thickness of shank; inches |
Height of shank; inches |
Length of shank; inches |
Diameter bar hole; inches |
3 |
3/8 |
7/8 |
4 |
3/4 |
0 |
1/2 |
1-1/8 |
5 |
3/4 |
1 |
5/8 |
1-3/8 |
5-3/4 |
15/16 |
2 |
3/4 |
1-5/8 |
7 |
1-1/8 |
TABLE II. Shaper extension bar, size and dimensions.
Extension bar size |
Diameter of extension bar; inches |
Length of extension bar; inches |
Size of square tool bit channel; inches |
01 |
1/2 |
7-1/2 |
3/16 |
02 |
5/8 |
8-1/2 |
1/4 |
03 |
3/4 |
10 |
5/16 |
04 |
15/16 |
12 |
3/8 |
05 |
1-1/8 |
14 |
7/16 |
Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data which may improve this document should be sent to: Defense Industrial Plant Equipment Center, ATTN: DIPEC-SSG, 2163 Airways Blvd., Memphis, TN 38114-5051. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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