A-A-51162A
3.2 Fluting. The fluting of the rotary file shall be either right-hand spiral, right-hand spiral with chipbreaker, double cut, or diamond cut, depending upon the style specified. The style A rotary files shall have right-hand spiral fluting consisting of a right-hand helix. The helix angle measured from the centerline of the cutter head shall be between 15 and 35 . Style B rotary files shall have right-hand spiral fluting with a left-handed spiral chipbreaker along the
periphery of the cutting teeth. Style C rotary files shall have double cut fluting consisting of a
series of left-hand spirals in conjunction with right-hand spirals that result in a wedge or chisel form cutting tooth. The number of left-hand spirals shall be from 40 to 60 percent of the number of right-hand spirals. Style D rotary files shall have diamond cut fluting consisting of a series of left-hand spirals in conjunction with right-hand spirals that result in a pyramidal form cutting tooth. The number of left-hand spirals shall be from 70 to 90 percent of the number of right-hand spirals.
4. REGULATORY REQUIREMENTS
4.1 Recycled, recovered or environmentally preferable materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).
5. QUALITY ASSURANCE PROVISIONS
5.1 Product conformance. The product provided shall meet the salient characteristics of this commercial item description; conform to the producer's own drawings, specifications, standards, and quality assurance practices; and be the same product offered for sale in the commercial market. The government reserves the right to require proof of such conformance.
6. PACKAGING
6.1 Packaging requirements. Preservation, packing, and marking shall be as specified (see
7.2).
7. NOTES
7.1 Source of documents.
7.1.1 Industry documents. Copies of industry standards referenced in this CID may be obtained from the following address:
American Society for Testing and Materials (ASTM)
ASTM A370 - Standard Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM A600 - Standard Specification for Tool Steel High Speed
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