GBT794-1993-加强半园头方颈螺栓.pdf

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1、621-822-213JUD1C3i中华人民共和国国家标准cs/T794一93加强半圆头方颈螺栓Strengthenedcapheadsquareneckbolts1993一03一01发布1993一12一01实施国家技术监督局发布中华人民共和国国家标准GB/T794一93加强半圆头方颈螺栓代替GB79467Strengthenedcapheadsquareneckbolts主题内容与适用范围本标准规定了螺纹规格为M6-M20,B级和C级的加强半圆头方颈螺栓。注:商品紫固件品种.应优光选用.2}I用标准GB196普通螺纹基本尺寸GB197普通螺纹公差与配合GB2紧固件外螺纹零件的末端G

2、B3098.1紧固件机械性能螺栓、螺钉和螺柱GB3103.1紧固件公差螺栓、螺钉和螺母GB90紧固件验收检查、标志与包装GB1237紧固件的标记方法尺寸A型按图1及表1的规定。B型按图2及表2的规定。国家技米监督局1993一03-0'1批准1993一12一01实施GB/T794一93A型末.按GB2的舰定允许创造的方翻侧角型式GB/T794一93B型末粗技GBz的舰定，d.的等于.故中径成月蚊大径允许翻遗的方翻目角型式图2GB/T794一93表1mm螺纹规格dM6M8M10M12}(M147Mi6M2Ol成12518}2226}一30}34381生6125<1镇20028132364

3、0I4452Jmax15.1019.10243029.3033.6036.6045.60mix}一13.3017.3022.16127.16I31.1634.00}一43.00灯】叔x6.00I}8.00I一10.0012.0014.00}16-0020.00rni、一}5.70}7.649.6411.5713.5715.5719.48d,10.013.516‘520.023.026.032.03.987.488.909.901卜90犷coax4.98}一6.28Mx}3.204.105.40‘;.60}一7.558.55}10.554.4012.55Ymax5.40一}6.40}8

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6、01.75一习丁一110108.25}111.75}!1月120110.25121.75I{刀可一130128.00132.0011140138.00}142.001}}150148.00152.00160158.00162.00(170168.00172.00180178.00}182.00}}}}200197.70I202.30}{}I注:①尽可能不采用括号内的规格。②长度1不能满足表中规定螺纹长度的螺栓，制成全螺纹③允许制成无螺纹部分杆径(dJ约等于螺纹中径的型式.GB/T794一93表2nl们1螺纹规格dM6一}MsMlo}一M12一}(M14)一}M16M201成12515

7、1}22126303413846125<1镇200251}3236401445229.3036.6045.60tnaX115.1019.10一}24.3。}33·60“‘m已X}13.30117·3022.16一}27.16}31.1634‘00}43·00d，一110.01}13.516.5}20.023.0一}26.032.03.984.95一}6.257.488.90一}9.9011.90护max尹‘m已X}3.20咯.10一15.401}6.60}