[INCH-POUND]
A-A-2927A
October 22, 1997
SUPERSEDING
A-A-2927
December 15, 1995
COMMERCIAL ITEM DESCRIPTION
SCREWDRIVER HANDLE AND HEXAGON BIT, NONREPLACEABLE, ADJUSTABLE BIT
The General Services Administration has authorized the use
of this Commercial Item Description for procurement of the Type VIII
screwdriver handle and bits specified in Federal Specification GGG-K-275D for
all federal agencies.
1. SCOPE
This Commercial Item Description covers screwdriver handles with non-replaceable,
adjustable, hexagon bits.
2. CLASSIFICATION
Not applicable.
3. SALIENT CHARACTERISTICS
3.1 Handle. The screwdriver handle shall provide a comfortable grip, and
shall be free from rough edges, sharp comers, or tool marks. The handle shall
not have fewer than 4 flutes or more than 8 flutes. When specified, the
screwdriver handle shall have a 3/8 inch female drive insert in the butt end.
The female drive shall be in accordance with paragraph 3.6 of Federal
Specification GGG-S-121F. The screwdriver handle and bits shall be similar to
Figure 1.
3.1.1 Handle Material. The handle shall be made of plastic and shall
pass the “Handle solvent resistance test” of paragraph 5.6 of ANSI B107.15-1993
and the “Handle impact test at room temperature” of paragraph 5.7 of ANSI B107.
15-1993.
3.1.2 Handle Dimensions. The handle diameter shall be 1-1/8 inch plus or
minus 1/32 inch The handle length shall be 4-1/2 inch plus or minus ¼ inch. The
handle length for sizes larger than 0.035 inch shall be 4 inch plus or minus
1/16 inch.
3.2. Bit.
3.2.1 Bit dimensions. The hexagon width across flats, hexagon width
across comers and the chamfer length shall conform to the dimensions for bits
in Table 8 of ASME/ANSI B18.3. Measurements across flats and comers shall be
taken 1/32 inch from the end on sizes 0.033 inch through 0.109 inch and 1/16
inch from the end on sizes 0.125 inch or larger. For bits with chamfered ends,
the measurements shall be made from the end of the chamfer rather than from the
end of the bit. The bit length shall be as specified in Figure I and Table I.
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Comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: General Services Administration, Federal Supply Semite, Tools and Appliances Center (6FET), Building 6.1500 E. Bannister Road. Kansas City MO64131. |
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