GSA A-A-2566 A-2002 BAR WRECKING《拔钉撬棍》.pdf
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1、INCH-POUND IA-A-2566AMav 16,2002SUPERSEDINGCOMMERCIAL ITEM DESCRIPTIONA-A-2566March 25,1988BAR, WRECKINGThe General Services Administration has authorized the use of thk Commercial ItemDescription by all federal agencies.1. SCOPE. This commercial description covers wrecking bars2. CLASSIFICATION. Th
2、e wrecking bars shall conform to the following types.2.1 , Gooseneck and Pinch-Point.2.2 , Offset Claw and Pinch-Point.3, SALIENT CHARACTERISTICS.3.1 u0 3.1.1 The bar shall have one end bent in the form of a gooseneck and the opposite end in the formof a pinch point. The gooseneck provided shall hav
3、e a slotted claw suitable for pulling nails. The pinchpoint end shall be wedge shaped and offset at an angle of 30 deees +/- 5 degrees from the longitudinalaxis of the bar. The type I bar shall conform to the table and be similar to figure 1.3.1.2 Type H. The bar shall have the ends offset at an ang
4、le of 30 degrees +/-5 degrees from the.longitudinal axis in opposite directions from each other. Both ends shalI be wedge shapedwids a slottedclaw on one end suitable for pulling nails. T type II bars shall conform to the table and be similar tofigure 2.3.1.3 Type I and II bars. Otherwise meeting th
5、e requirements of this specification may be themanufacturers standard design passing a physical test. A test load value as shown in table 1 for theappropriate size of bar being tested shall be applied to the body at a point 4 inches from one end, with tieopposite end secured. The load being applied
6、shall be perpendicular to the body in a direction as tostraighten the offset or gooseneck. The wrecking bar, after being tested shall indicate no fracture orpermanent set in excess of l/32-inch from the original shape.3.1.4 Material. The material used in manufacturing the bars shall either be tool s
7、teel or art alloy steel. Thework ends of the bars shall have hardness between 38 and 48 on the Rockwell C scale in accordance withASTM E-18.a71 Beneficial comments, recorrimendations, additions, deletions, clarifications, etc. and any other datawhich may improve this document should be sent to: Gene
8、ral Services Administration, Federal SupplyService, Hardware SuperStore, 6FEE, 1500 Bannister Rd., B1dg.# 6, Kansas City, Missouri 64131.FSC 5120Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2566A3.1.5- The bars shall be free from burrs, roughn
9、ess, and excessive oxide scale. The body of the barsshall either be painted, or have an oil coated natural finish. The work ends of the bars shall have a satinfinish with either an oil or phosphate coating.Figure 1. Type I.$.71A B c D E F G H I J K L1Lcmd distanceSrze number A D E F H J K Test load.
10、(tkiLl Lh!lLLU +1118.(-)1116 (.tkLw Nli!Lfrom end.N?i!L (.iLM!Q 24 1/16 16 4 30 1/16 )“7 5 36 l/16 I 8,0 , ,. , , , ,0, ,0 , , ,? , , b 75 I 32M&! I I i I I I9 4 30 1/16 I I 1 3/8 3/4 1 5/16I 7/16 1 3/16 1/16 !00 I 262Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
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