ASME B107.41M:1997 pdf download NAL HAMMERS- SAFETY REQUREMENTS
1 GENERAL
1.1 Scope
This Standard provides safety requirements for thedesign, construction, testing. and use of nail hammersthat are intended specificaliy for use in driving orpulling common (unhardened) nails and ripping apartor tearing down wooden components.
1.2 Purpose
This Standard is intended to serve as a guide inselecting，lesting.and using the hand tools coveredherein. Details of design, testing. and use of the handtools covered arc specified only as they ielate lo sufetyIt is not the purpose of this Standard to specify thedetails of manufacturing.
The Standard is also meant to scrve as a guide indeveloping manuals and posters and for training person-ne! to work safely.
1.3 Application
This Standard may be used as a guide by :stateauthorities or other regulatory bodies in the formulationof laws or regulations It is also intended for voluntaruse by establishments that use or manufacture the toolscovered.
The methods employed to ensuire compliance with thisStandard shall be determined by the proper regulatory oradmministrative authority.
1.4 Shall and Should
Mandatory requirements of this Standard arc charac-terized by the word “shall.” If a provision is of anadvisory nature.it is indicated by the word “shouldur is stuted as a recommendation.
1.5 Equivaient
The word “equjvalent” in this Standard shall benterpreted to inean aitemnative designs or fearures thatwill provide an equal degree of safety.
2 NORMATIVE REFERENCES
The following documents form a part of this Standardto the extent specified herein. At the time of publicationthe edirions indicated were valid.All standards aresubject to revision, and parties to agreement based onthis American National Standard are encouraged toinvestigate the possibility of applying the most recenf
editions of the standards indicated below.ANSI Z87.1-1989.Practice for Occupational andEducational Eye and Face Prorection (includes supplement and partial revision ANSI Z87.1A-1991)ANSI Z535.4-1991,Pruduct Safety Signs and LabeisASTM A 322-91，Specification for Steel Bars，AlloyStandard Grades
ASTM A 681-94, Specification for Tool Steels,AlioyASTM E 18-94Test Methods for Rockwell Hardncssand Rockwe!! Superficia! Hardness of Mctallic Matc-rials’
ASTM F1667-1995，Standard Specification forDriven Fasteners: Nails，Spikes,and Staples’Hand Tool Institute, Guide to Hand Tools — Selection,Safely. Tips, Proper UIse and Carez
3 DEFINITIONS (see Fig. 1 as applicable)belf: the portion of the hammerhead directly behindthe stiking face
chamfer: the bevel or equivalent radius encircling theperimeter of the striking face
claw: the two-pronged portion of thc hammerheaddirectly oppositc thc striking face
claw bevel: the angled portion of the nail slot
cye，an opening or aperture located between the clawand the striking face into which the handle is inserted,if the handle is separate
handle: the portion that protrudes from the hammer-head and by which the tool is held