GSA A-A-2310 A-2002 FILE HAND (AMERICAN PATTERN) CROSSCUT《横切手锉(美式)》.pdf
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1、P!EElA-A-231OAOctober 8,2002SUPERSEDINGA-A-231OSeptember 27,1985COMMERCIAL ITEM DESCRIPTIONFILE, HAND (AMERICAN PATTERN), CROSSCUTThe General Services Administration has authorized the use of this commercial item descriptionby all federal agencies,1. SCOPE. This commercial item description covers ha
2、nd tiles used for sharpening crosscut saws of the“Great American” style.2. CLASSIFICATION. Not Applicable3. SALIENT CHARACTERISTICS.3.1 Desizrr. The tile shall have uniform width and thickness from heel to point. The two sides equal inwidth from heel to point and at equal angles with the median long
3、itudinal plane of the file, All cornersstraight and parallel from heel to point. Back rounded for tiling gullets. Single-cut (one set of parallelcuts on the surface) on back, sides and bottom edge. The file dimensions shall conform to section 3.23.2 Dimensions.Dimensions at Largest Allowable Allowab
4、leLength Section Number of Teeth Distortion WarpageA B Min Max Max MaxIn In In Per In Per In In Degree8 11/16 9/32 42 48 0.010 3Length Dimensions: Measured from the point (ffee or front end) to the heel and have a toleranceof +/- 1/8”.Tolerance: Width (A) plus or minus 1/16“; TMckness (B) files 6“ i
5、n length +/- 1/32” JFiles over 6“ in length +/- 1/16.Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other datae which may improve this document should be sent to: General Services Administration, Federal SupplyService, Hardware SuuerStore (6FEE), 1500 E. Ban
6、nister Rd Bldg. #6, Kansas City, Missouri 64131.FSC 5110Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-23 10A3.3 Material. The file shall be of a carbon alloy steel.3.4 Shall be of a conventional shape and size suitable for attachment to a wood
7、handle.Tempered to a maximum hardness of 45 on the Rockwell C scale when tested per ASTM El 8. It shall obe measured at a point approximately midway of its length and width.3.5- Shall be designed for fast cutting and minimize clogging. Uniformly cut or etched and ofuniform height throughout the full
8、y cut portion. Cutting surfaces shall be hardened to a uniformhardness. The distrmce between the heel and point of the file, excluding the tang, shall be hardened tonot greater than 68 nor less than 64 on the Rockwell C scale when tested per ASTM E 18. The file shallbe free from decarburization and
9、brittleness.3.6 Marking. The file shall be marked with the name of the manufacturer or with a trademark of suchknown character that the source of manufacture maybe readily determined.3.7 Workmanship. The teeth of the file shall be well-defined, sharp, and uniform in height and formThere shall be no
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