GSA A-A-3152 A-2002 SCREWDRIVER JEWELERS- SWIVEL KNOB《旋钮玉工螺丝刀》.pdf
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1、I INCH-POUND IA-A-3152AJuly 30,2002SUPERSEDINGA-A-3152January 8,1998COMMERCIAL ITEM DESCRIPTIONSCREWDRIVER, JEWELERS, SWIVEL KNOBThe General Services Administration has authorized the use of this commercial itemdescription by all federal agencies.1. SCOPE. This Commercial Item Description covers swi
2、vel knob jewelers screwdrivers, both metaland anti-static plastic, with interchangeable or fixed blades, as individual screwdrivers, and or sets2. CLASSIFICATION.2.1Type 1 Swivel knob, metal handle body, interchangeable blades.2.2 Type 2 Swivel knob, plastic, anti-static handle body, fixed blades.2.
3、3 Type 3 Swivel knob, plastic, anti-static handle body, interchangeable blades.3. SALIENT CHARACTERISTICS.3.1 Design. Screwdrivers shall be similar to Figure I, II, or III in construction. The illustrationsshown are for identification and not intended to preclude the purchase of screwdrivers which w
4、eotherwise in accordance with the requirements of this commercial item description.Figure I. Type 1- Swivel knob, metal handle body, interchangeable blades.Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other datawhich may improve this document should be sen
5、t to: General Services Administration, FederalSupply Service, Hardware Super Store (6FEE), 1500 E. Bannister Rd. Bldg. #6, Kansas City,Missouri 64131.FSC 5120Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-3 152AFigure II. Type 2 -Swivel knob, an
6、ti-static, plastic handle body, fixed blades.Figure III. Type 3 -Swivel knob, anti-static, plastic handle body, interchangeable blades.3.2 Material.3.2.1 Screwdriver Bits. The screwdriver bits shall be made of high grade alloy steel hardened andtempered to comply with the specified physical and mech
7、anical requirements.3.2.2 Tvpe 1- Handle Screwdriver Body. The body shall be of steel or aluminum. The swivel knobshall be fabricated of metal or plastic. The chuck shall be made of steel.3.2.3 Tvpe 2- Handle Screwdriver Body. The body and swivel knob shall be fabricated of plasticsuch as but not li
8、mited to cellulose acetate. When specified by the purchaser, the body and swivelknob shall be made of anti-static plastic. 93.2.4 Tvpe 3- Handle Screwdriver Bodv. The body and swivel knob shall be fabricated of plasticsuch as but not limited to cellulose acetate. When specified by the purchaser, the
9、 body and swivelknob shall be made of anti-static plastic. The chuck shall be made of steel.3.3 Construction.3.3.1 Screwdriver Bits. The screwdriver bits shall be hardened and tempered to comply with thespecified physical and mechanical requirements. The cross-sectional shape of the blade shall bero
10、und. The blades shall be free from visible defects such as scale, seams, laps, and cracks.3.3.1.1 Type 1 and Type 3- Interchangeable Screwdriver Bits. The extreme shank end of each bladeshall be flattened on two sides to seat firmly and shall be a good fit in the chuck jaw. The bit shankshall have a
11、 nominal diameter of 0.100 inch +/- 0.002 inches. The nominal bit lengths shall be 1.75+/- 0.25 inch.3.3.1.2 Flat Tip Screwdriver Bit. The blade tip(s) shall be of the type known commercially as cabinettip, the straight sides being approximately parallel to the blade shank. Traditional jewels screwd
12、riverflat tip dimensions (not covered byASMEBI07.15-1993) shall be as shown in Table I Flat TipScrewdriver Dimensions. Additional and/or larger flat tip sizes shall be in accordance with ASMEBI07.15-1993.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
13、,-A-A-3152AFLAT TIP DIMENSIONSWidth of Tip Thickness of Tip at End+/-.005 Inch +0.003/-0.002 Inch0.025 0.0040.040 0.0040.055 0.0060.070 0.0060.080 0.0080.100 0.010Table I. Flat Tip Screwdriver Dimension.3.3.1.3 Phillips Cross Tip Screwdriver Bit. The blade tip(s shall be of the t e known commerciall
14、yas Phillips tlp and J ?be manufactured m accordance with A ME B 107.15-19 .3.3.1.3 Hex and Srdine Screwdriver Bit. The blade tip(s) shall be of the type known commercially asmale hexagonal tip or male spline tip and be manufactured in accordance with ASME/ANSI B 18.3 orASME/ANSI B 18.3.2 for sizes
15、included with ASME/ANSIB 18.3 or ASME/ANSI B1 8.3.2.3.3.1.4 Other Ti Styles and Sizes. Other tip styles such as but not limited to Tom, Pozidrive, SquareRecess, Clutch Head, Frearson, Torq-Set; and other tip sizes not includes in applicable abovementioned industrial staqdards shall be in accordance
16、with acceptable industrial practice and befictionally and dimensionally compatible with the fasteners they are designed to remove and install.It is the intent of this CID to provide the purchaser a vehicle to procure traditional jewelers swivelknob screwdrivers and swivel knob micro fixed blade scre
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