A-A-51143A
Salient characteristics.
1. Design. The cutter bit style and size shall conform to the requirements ANSI B212.1 “Carbide Blanks Brazed and Solid Single-Point Tools.”
2. Dimensions. The dimensions of the cutter bits shall conform to table II for the size required for a specific procurement. The tolerances for all dimensional data shall be the manufacturers standard as specified on their part drawings.
3. Material. The tool body shall be steel with a brazed sintered carbide tip.
4. Marking. The body of the tool shall be permanently marked with the manufacturer’s name or trademark.
TABLE II. Cutter bit sizes and dimensions.
|
Tool dimensions, inches |
Tip dimensions, inches |
|||||||
|
Size |
Width |
Height |
Length |
Nose radius |
Tip overhang |
Thick |
Width |
Length |
|
04 |
1/4 |
1/4 |
2 |
1/64 |
1/32 |
3/32 |
3/16 |
5/16 |
|
05 |
5/16 |
5/16 |
2-1/4 |
1/64 |
1/32 |
3/32 |
1/4 |
1/2 |
|
06 |
3/8 |
3/8 |
2-1/2 |
1/64 |
1/32 |
3/32 |
1/4 |
1/2 |
|
07 |
7/16 |
7/16 |
3 |
1/32 |
1/32 |
3/32 |
1/4 |
1/2 |
|
08 |
1/2 |
1/2 |
3-1/2 |
1/32 |
1/32 |
1/8 |
5/16 |
5/8 |
|
10 |
5/8 |
5/8 |
4 |
1/32 |
1/32 |
5/32 |
3/8 |
3/4 |
|
12 |
3/4 |
3/4 |
4-1/2 |
1/32 |
1/32 |
3/16 |
7/16 |
13/16 |
Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this commercial item description, and that the product conforms to the producer’s own drawings, specifications, standards, and quality assurance practices. The Government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract.
Metric product. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, provided they fall within specified tolerances using conversion tables contained in the latest revision of FED-STD-376, and all other requirements of this commercial item description are met.
If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch-pound units, a request shall be made to the contracting officer to determine if the product is acceptable.
The contracting officer has the option of accepting or rejecting the product.
Regulatory requirements. In accordance with section 23.403 of the Federal Acquisition Regulations, the Government’s policy is to acquire items composed of the highest percentage of recovered materials practicable, consistent with maintaining a satisfactory level of competition without adversely affecting performance requirements or exposing suppliers’ employees to undue hazards from the recovered materials.
Environmental protection. During the manufacture of the blades, materials hazardous to the ecological system as prohibited by the Federal, state, or
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