螺栓和螺钉通孔尺寸(GB/T5277—1985)螺纹规格dMlM1.2M1.4M1.6M1.8M2M2.5M3M3.5M4M4.5M5M6M7M8螺紋直径精装配111.31.51.722.22.73.23.74.34.S5.36.47.48.4中尊装配1.21.41.622.12.43.23.43.94.555.56.67.69粗装配1.31.51.82.22.42.63.73.64.24.S5.35.86.67.610螺仅规格dM10M12M14M16M18M20M22M24M27M30M33M36M39M42M45螺纹宜径精装配10.51315n192123252S31343740434(5中等装配1113.515.517.5202224263033363942454S粗装配1214.516.51&52124262832353S42454S52M冒柱头用沉孔(适用于GB70)(#1自GB152.3883单位=d2t63dl).63.31.81.824.32.32.42.55.02.92.936.03.4工a49.04.64.5510.05.75.5611.06.86.6815.09.09.01018.011.013.01720.D13.016)3.51424.016.01315.51626.017.52017.52Q33.D21.52Q22.02440.026.52326.03048.032.03333.03657.D58.04239.0M況头Jfl況礼（摘自GJ»t52.2-88）M六角头螺栓和六角螺母州沉孔（舅自CB162.488）K括号内规格尽量不采用。2、M3-M20为商品规格，其它为通用规格。3.材料/力学性能钢Z8.&12.9不锈钢/WM20时为A2-70:>NI20时为A2-50.标记示例：螺纹规格d=M5.公称长度l=20mm,性能等级为8.8级.表面氧化的内六角圆柱头螺钉^螺钉GB70-85M5X20M内天角目柱头翱T（炳自GB70-85等效"04762-77）单检■3）匚lx括号内规格尽址不采用。2、材料/力学性能：钢/4.8。标记示例：螺纹规格d=N15,公称长度l=20mm,性能等级为4.8级，不经表面处理的H型十字槽沉头螺钉：螺钉GB819-85M5X20Z3.21.C级垫圈没有Ra3.2和去毛剌的耍求：2.C级适用丁•中等装配系列.A级适用丁荊装配系列.3.GBS眼85主耍用T•带I州柱头螺钉.其他用T•标准六角矗栓.廉钉和螺母。材料力学性能等级：钢100HV标记示蚀标准系列.公称尺寸d-Smm・性能孚级为100HV级、不经表面处理的平垫圈：垫圈GB95-85S100HV公琳尺寸ddld2WOO个重蚩■55.51010.429766.6121.60.99BS161.61.72510112023.4381213.5242.56.3081415.5282.58.7111617.530310.97202237316.36242644431.05303356450.46263966587.35M干垫韜-C级(WfiGD95-85等%IS07091-1983)单伎:111%did23.2材料力学性能尊级：钢200HV;奧氏体不锈钢A200标记示例：标准系列.公称尺寸d-Smm.性能竽级为200HV级、不经表面处理的平垫圈：垫圈GB97.1-85S200HV公称尺寸ddld2h1000个重量(kg)^55.31010.44366.4121.61.8288161.61.8281010.52023.671213242.56.27ia15282.58.611161730311.29202137317.16212544432.313031E6q53.61363766592・03M平垒固A级(擠自CB97.1-85^1207089-1983)单位’(BM)-6・材料力学性能等如钢300HV：类氏休不锈値A35O标记示例：标准系列、公称尺寸d-Smm・性能答级为30DHV级、倒角型.不经袞面处理的平垫Ifth1■尽可能不采用括号内規格2、m应大干萃.3・MH：65Mn标记示例,观恪为65Mn・殺而筑化的标准型怦艮地圈:樂潮GB93-S716总2世驾电迄3Mt&lx4斥$(szbGBo95・79n99o与激吴阳選〉)也評(mm)2.x23x3VH2ax4ooo333025,0O25、，o030g3V8295V9YI3vmsoVS7-3V15?sV二？ZOOV2O7..230>237260V26YZ9OIV2Y308IX7V3y39】oxgVJYM】ZX3vi/s】4怎:>5758-6X3:>5爭65SX二V邂<7520X12«8522x225X一<|28Xa32X1830X吕4:22吏2050X28oooooooooSQi°.gGYO-OTafo£.020020—0.0271002/10oo2t->•X>909Y4STfoZ7+020-、咅—0.—0.1:■-■—•-•■:<-•10.OOOK—0.QOTIPOCI02—O.■=::•、1—00«?M0-oooz—0.oooz—0.ooosio.00710.H-P25I©H-PCH5占H-po-5—01H-IPQIZH-P02—cl30215—0g・02【5—0片P02L5—0片oo?—©2610zfoz9f018Y4-0syolg?o-87+0s?40227咅22Y石r-—OOOOOOO0086g886ooooooocncnoooooooooooo?.lo007—Q00710oclofo007XI0OOO?MQOoo?IQOooz—Q007—QH-14-1+1+H-H-H-H-H-H-ppppppppopOQQOQOQOOO3303332222■J一一—ii6666-ioo©oS2—025〜—00-^1027102710271002210022—0022、f0022—0020—0sf—^s?00S2XIO026f0os/—0OK/—0E3222—oooOOOOOGGOOOOOOOOOOUOOOO5?°I®二厶£.4QQQ0438OSOOOOOOGGOOOOOOe-^-OOOQOOOOOOOOOOGOOOOObbsbs&sbaaaaszht.222000SQ33OOOOOQSSanSSS1・s.s^•撑3%s《爲s§.2・宦腐至W芈ssii^&slSJs;s泮fTF・ss^ss®・51atimffs.0頤S.Sss・得用3£営3ZU&33I5SS-君冷迸hlj・3・抹3沖苹均注蓉总荊s蛍笛3^12・1用E5SGB11S4-S4云S烁4課契SAPS7〜9菲禺s・ss(粧3知ssxrmf姿泾&淇3A姿力斗4・(do«(d-HD3lfaB2>R斗3s^sss-*tlS
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