ASME_B107.23M-1997.pdf

ASME B10723M-1997(Revision of ASME B107.23M-1991)PLIERS,MULTIPLEPOSITION,ADJUSTABLEAN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersASME B107.23M-1997PLIERS,MULTIPLE POSITION,ADJUSTABLE1 SCOPEfacture of pliers which are otherwise in accordance withthis Standard.This Standard is intended to cover the general dimen-sional and functional characteristics of adjustable jointand slip joint pliers.4.2 MaterialsInclusion of dimensional and functional data in thisStandard is not intended to imply that all products de-The materials used in the manufacture of the pliersscribed herein are stock production sizes.Consumers areshall be such as to produce pliers conforming to the phys-requested to consult with manufacturers concerning listsical requirements hereinafter specified.of stock production sizes.4.3 Design2 CLASSIFICATIONPliers shall be similar to the figure to which referenceThe following types,classes,and styles of pliers areis made and shall be proportioned in all parts so as to becovered in this Standard.strong.durable,and easy to operate.Type I-adjustable joint,angle noseClass 1-multiple groves and tongueStyle A-straight,serrated jaws4.4 MarkingStyle B-curved,serrated jawsPliers shall be marked in a plain and permanent man-Style C-parrot nose jawsStyle D-straight,smooth jawsner with the manufacturers name or with a trademark ofClass 2-multiple holesuch known character that the source of manufacture andType一slip joint,.combination jawcountry of origin may be readily determined.The mark-Class 1-straight noseing shall be as permanent as the pliers to which it is ap-Style A-regularplied(providing the surface to which it was applied hasStyle B-thinnot been subjected to a fretting or abrading action)andClass 2-bent nosebe capable of withstanding the cleaning procedures nor-mally experienced during its intended use.3 NORMATIVE REFERENCESThe following documents form a part of this Standard4.5 Finishesto the extent specified herein.4.5.1 Appearance.All surfaces shall be essentiallyfree from pits,nodules,burrs,cracks,and other defectsASME B46.1-1996,Surface Texture(Surface Rough-which may adversely affect the appearance or perfor-ness,Waviness and Lay)mance of the pliers.Polished surfaces shall have a max-ASME B107.25M-1996,Pliers-Performance Testimum surface roughness of 63 uin.(1.6 um)with a sup-Methodsplementary rust preventive treatment(ref.ANSI/ASMEB46.1).4 REQUIREMENTS4.5.2 Protective/Decorative Coatings.Coatings4.1 lllustrationsshall be adherent,smooth,continuous,and free from pits,The illustrations shown herein are descriptive and notblisters,nodules,and any other defects which would in-restrictive,and are not intended to preclude the manu-terfere with their protective value and serviceability.ASME B107.23M-1997PLIERS,MULTIPLE POSITION,ADJUSTABLE4.6 Handles5 TESTING4.6.1 Characteristics.Handles of pliers shall be soMany tests required herein are inherently dangerous.shaped as to afford a comfortable grip and shall be freeAdequate safeguards for personnel and property shall befrom rough edges and sharp corners.Inner handle sur-used when conducting such tests.faces shall be well rounded or beveled so as to preventinjury to the hand.Outer hand gripping surfaces shall beeither smooth,impressed with a textured gripping sur-5.1 Pliers Hardness Testface,or furnished with comfort grips.Handles shall bePliers hardness tests shall be conducted in accordancehardened to 35 to 60 HRc.with ASME B107.25M,para.5.3.4.6.2 Comfort Grips.When comfort grips are fur-nished on pliers handles,they shall be made of a poly-5.2 Handle Load Testmer of rubber,plastic,or other suitable material capableof withstanding long,hard usage without deterioration orHandle load test shall be conducted in accordance withASME B107.25M,para.5.1.rubbing off,and meet the solvent resistance test speci-fied in para.5.4.The comfort grip shall remain perma-5.2.1 Specifications.The pliers shall be testednently attached under normal use of the tool.with the comfort grips removed.The loads shall be ap-The comfort grips on handles are not intended to giveplied at the point of maximum handle curvature.The jawsany degree of protection against electric shock and shallof the pliers at their outermost end shall grip approxi-not be used on live electric circuits.mately%s in.(3.2 mm)of a flat steel insert of the thick-ness shown in Table 1,placed between the jaws.The per-4.7 Jointmanent set of the handles shall not exceed the applicablevalues shown in Table 1.Pliers shall be joined in a permanent manner throughthe use of a fastener,rivet,or other suitable means.The5.3 Wire Cut Testjoining method shall assure uniform smooth movementthrough respective number of adjustment positions withWire cut tests shall be conducted in accordance witha minimum of looseness and sideplay.The joining mem-ASME B107.25M,para.5.2.1.ber(i.e.,fastener,rivet,or other)shall be heat treated sothat permanent setting under load testing and wear from5.3.1 Specificationsusage do not affect the durability of the pliers.The join-5.3.1.1 Steel Wire.The wire for steel wire cut-ing member shall not loosen or require adjustment.ting test for Type II pliers shall be uncoated,single strandsteel wire having a minimum tensile strength of 150,0004.8 JawsIb/sq in.(1033 megapascal).4.8.1 Jaw Openings.The ends of jaws shall open5.3.1.2 Steel Wire Cut Test.Type II pliers shallto the respective work capacity specified herein for indi-withstand 3 cuts,made manually,of the wire sizes spec-vidual type,class,style,and size pliers,through whichified in Table 2 without any visible deformation or dam-distance the tool shall operate in a smooth and uniformage to the cutter as a result of the test.manner.4.8.2 Jaw Hardness.Jaw hardness adjacent to5.4 Solvent Resistance Testgripping surfaces within s in.(1.6 mm)of the root ofSolvent resistance tests shall be conducted in accor-groove formor wire cutter as applicable shall be hard-dance with ASME B107.25M,para.5.5.1.ened to 45 to 60 HRc.6 TYPE,CLASS,AND STYLE PROVISIONS4.9 Workmanship6.1 Type I-Adjustable Joint,Angle NoseThe requirements within this Standard are intended toType I pliers shall have jaws offset 37 to 56 deg.asdescribe the best commercial quality pliers available.Themeasured between the centerline of the jaws and the cen-pliers shall conform to the quality specified by the re-terline of the handles.The gripping surfaces shall havequirements of this Standard.sharp.crosswise machined grooves the full length of thePLIERS,MULTIPLE POSITION.ADJUSTABLEASME B107.23M-1997TABLE 1 ALLOWABLE PERMANENT SET FOR PLIERSThicknessPermanentInsertSetBetween JawNominal SizeTest LoadMaximum(Approximate)Typein.(mm)in.Ib(N-m)in.(mm)in.(mm)4%(114)250(28.2)0.03(0.8)(12.7八5(127)250(28.2)0.030.8)站(12.7)6%(165)250(28.210.03(0.8)(12.7)(178)450(50.8)0.03(0.8)h(12.7八8(203)450(50.8)0.03(0.8)(12.7)9%(241)750(84.7八0.03(0.8)h(12.7)10&10A(25.4)750(84.7)0.03(0.8)h(12.7八)2(305)850(96.0)0.030.8)(12.7)13(330)850(96.00.03(0.8(12.7八14&14A(356)850(96.0)0.03(0.8)h(12.7)14%(368)850(96.0)0.03(0.8)(12.7)16(406)950(107.3)0.03(0.8)(12.7)20(508)1050(118.6)0.03(0.8)归(12.7)g(102)100(11.3)0.03(0.8)%(3.2)6(152)675(76.3)0.03(0.8)(3.2)(203)1000(113.0)0.06(1.5)治%(3.2)10(254)1450(163.8)0.13(3.3)(3.2)TABLE 2tongue on the other pliers half.The two pliers halves shallSTEEL WIRE SIZES FOR WIRE CUT TESTbe held together by a joining member(i.e.,fastener,rivet,Nominal Pliers SizesWire Diameteror other).Changes in jaw position shall be made by slid-ing the joining member forward or backward in a cen-in.(mm)in.(mm)trally located slot in the grooved pliers half until the(102)0.033-.037(0.80.91tongued side is aligned with,and engaged in,the desired6(152)0.083-.087(2.1-2.2)groove.The contacting sides of the tongue and grooves8(203)0.096-.100(2.4-2.5)10(254)0.112-.116(2.8-2.9)shall be perpendicular to their base or undercut to pre-vent a tendency of the pliers to separate under force ex-erted on the handles when being used.The tongue andjaws,except for Style D pliers,which shall have smoothgrooves shall be suitably finished to provide a smoothgripping surfaces.With the jaws parallel in any of theengagement in each of the operating positions,and theoperating positions,the maximum distance between thejoining member shall be assembled so that each pliersoutsides of the handles at their point of widest separationhalf slides freely without binding.shall not exceed 3%6 in.(81.0 mm)for nominal size10 in.and smaller pliers,4%in.(108.0 mm)for nominal6.1.1.1 Style A-Straight,Serrated Jaws.size 12 through 14 in.pliers,and 5%in.(139.7 mm)forStyle A pliers shall conform to the requirements shownnominal size 16 and 20 in.pliers.With the jaws parallelin Table 3 for the size specified,and be similar to Fig.1.in the outermost operating position,the maximum work6.1.1.2 Style B-Curved Serrated Jaws.capacity of the jaws shall not be less than the minimumStyle B pliers shall conform to the requirements shown inwork capacity of the pliers as specified in Table 3 or 4.Table 3 for the size specified,and be similar to Fig.2.Handles shall not contact each other when the jaws areparallel in any of the operating positions and shall be of6.1.1.3 Style C-Parrot Nose Jaws.Style Capproximately equal length when the pliers are fixed inpliers shall conform to the requirements shown in Tablethe central operating position.4 for the size specified,and be similar to Fig.3.6.1.1 Class 1-Multiple Grooves and Tongue.6.1.1.4 Style D-Straight,Smooth Jaws.The joint on Class 1 pliers shall consist of a number ofStyle D pliers shall conform to the requirements showncurved grooves on one-half of the pliers,and a curvedin Table 3 for the size specified,and be similar to Fig.4.ASME B107.23M-1997PLIERS,MULTIPLE POSITION,ADJUSTABLETABLE 3 TYPE I,CLASS 1,STYLE A,B,AND DAdjustable Joint,Angle Nose,Multiple Grooves and TongueJawOverallJawThicknessWorkLengthLengthCapacityNumber ofAB(Note 2)w/JawsAdjustmentParallelNominal SizePositionsMin.Max.Min.Max.Min.Max.MinimumMinimumDimensions,in.4%451%6Note(1】%6e%w67%1%61红8%7%8%1he149k91011%67h1%109510%1%61%12T1%11131%61%6%2%13612141%61%29/414%w21%613为15%1%215%621%16715172%207hs3%819212%3%47he多5%10Dimensions,(mm)(114)(101.6)(133.4)7.9)(14.3)Note(1】(3.2)(6.4)(165)(12.7八3(152.4)(181.0)(17.5)(22.2)(6.4)(10.3)(19.1)(203)4(187.3)(215.9)(22.2)(27.0(6.4)(10.3)(25.4)(241)(228.6)(254.0)(25.4)(33.3)(6.4)(11.1)(31.8)(25.4)4(241.3)(266.7)(27.0)(34.9)(6.4)(11.1)(44.5)5(305)(279.4)(330.2)(36.5(47.6(7.9)(12.7)(54.0)(330)5(304.8)(355.6)(39.7)(47.6(11.5)(16.3)(68.35(368)(342.9)(393.7)(41.3)(50.8)(11.9)(15.9)(71.4)(406)(381.0)(431.8)(54.0j(63.5)(11.1)(15.9)(95.3)(508)(482.6)8(533.4)73.0)(82.6)(11.1)(15.9)(136.5)10NOTES:(1)For plain handles without comfort grips.(2)Measured in.(6.4 mm)from the tip of jaw to provide for acceptance of tapered jaw.TABLE 4 TYPE I,CLASS 1,STYLE CAdjustable Joint,Angle Nose,Multiple Grooves and TongueJawOverallJawThicknessWorkLengthLengthCapacityNumber ofNominalABNote(2)w/JawsAdjustmentSizeParallelMin.PositionsMax.Min.Max.Min.Max.MinimumMinimumDimensions,in.10A9%10%1%61%Note(1)】%69h6114A134151%112121%6Dimensions,mml(254)241.3)(266.7)(27.0)(34.9)(7.9)(14.3)Note(1)(356)(25.4)4(330.2)(381.0)(38.1)(44.4(10.3)(16.7(44.5)6NOTES:(1)For plain handles without comfort grips.(2)Measured in.(6.4 mm)from the tip of jaw to provide for acceptance of tapered jaw.6.1.2 Class 2-Multiple Hole.Class 2 plierswith lap joints shall be held together by a joining mem-multiple hole side within the normal operation range ofber(i.e.,fastener,rivet,or other).The joining memberthe jaw opening and will permit adjustment of the twoshall be designed and assembled so that it will not turnhalves of the pliers.Changes in jaw position shall bein the single hole side nor slip out of adjustment in themade by slipping the multiple hole side of the pliers onthe stationary joining member.The holes of both the