A-A-51135A
4.3 Examination. Each hole saw, hole saw arbor and hole saw drive plate submitted for sample inspection shall be visually examined to determine conformance with all requirements in this description, except for the performance requirements in 3.6.4 and hardness requirements in 3.6.1.3 and 3.6.2.2.
4.4 Dimensional inspection. Each .hole saw, hole saw arbor, or hole saw drive plate submitted for sample inspection shall be inspected to assure conformance with all dimensional and ‘tolerance requirements specified herein:
4.5 Performance test. After the sample inspection has been completed a performance test shall be performed on the nearest whole number to 10 percent of the hole saw samples. The performance test shall conform to the requirements contained in 3.6.4. The rotational speed, cutting force, type of machine and machining techniques shall be in accordance with standard industrial procedures. After the test is performed, the hole saw shall show no evidence of overheating or physical damage. If any of the hole saw samples fail to pass the performance test specified herein, the entire lot from which the samples were selected shall be rejected.
4.6 Hardness test. After the performance test has been completed, a hardness test shall be performed on the same hole saws which have been subjected to the performance test. If any of the hole saw samples fail to meet the hardness requirements in 3.6.1.3 and 3.6.2.2, the total lot from which the samples were selected shall be rejected. The hole saws subjected to the performance test and hardness test shall not be furnished as part of the contract order.
4.7 Packaging inspection. Packaging shall be inspected for conformance with section 5.
5. PACKAGING.
5.1 Preservation, packing, and marking. Unless otherwise specified in the contract or purchase order, preservation, packing, and marking shall be in accordance with ASTM D 3951. When specified (see 6.2), preservation, packing, and marking shall be in accordance with Federal Specification PPP-T-1150, level as specified.
6. NOTES.
6.1 Intended use. Hole saws covered by this description are intended to be used for sawing round sawing holes in metal, plastic, wood and other similar materials.
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