ASME B107.4-2005 pdf download
ASME B107.4-2005 pdf download.Driving and Spindle Ends for Portable Hand, Impact, Air, and Electric Tools (Percussion Tools Excluded).
This Standard applies to portable power tools for drilling, grinding, polishing, sawing, and driving threaded fasteners and hand tools for driving threaded fasteners. Other tools not classed as percussion tools belong in this category and may be added by revision or addition through the usual procedure.
This Standard includes dimensions and tolerances for both driving and driven elements where such coordination is important and not established by reference to the pertinent American National Standards. All dimensions are in inches and millimeters.’
2 DEFINITIONS
percussion tools: hammers, chisels, scalers, tampers, clay diggers, and rock drills. Percussion tools are excluded from this Standard.
rounding values: when the next digit beyond the last digit to be retained is
(a) less than 5, the last digit to be retained is not changed
(b) 5 or more, the last digit to be retained is increased by one.
tool: as used in this Standard, a portable device for performing a mechanical operation with power from compressed air or electricity and hand operated.
3 NORMATIVE REFERENCES
The following is a list of publications referenced in this Standard.
ANSI Bi .1-1989R01 Ed, Unified Inch Screw Threads (UN and UNR Thread Form)
ANSI B7.1-2000, Safety Requirements for the Use, Care, and Protection of Abrasive Wheels
The values stated in U.S. customary units are to be regarded as the standard.