首页 >>  正文

m4螺丝直径多少mm

来源:baiyundou.net   日期:2024-06-29

作者:alpha_boy

维修起因

老妈说她的老式买菜车的轮子快散架了,篮筐上的铁丝也有脱落的,刚好我修把手脱落的锅盖时买过纯金属防松螺母,且修窗户把手松动买过680高强度厌氧胶,还为了固定下水管买过扎带,就想试试能否用它们加固车轮和篮筐。

维修经过

首先用老虎钳子拔掉磨平后松动的车轮铆钉:

而后准备厌氧胶:

把它的盖子往外拔起一点就行(以前不知道,还以为是挤压式的,挤来挤去挤不出来,拧开盖子往外倒,弄得满手满地都是~~):

   往穿过铆钉孔的M4螺丝的螺纹上抹,再拧上螺母:

最后再一边用老虎钳子夹住螺母,另一边用螺丝刀拧紧,晾干一天即可,之后走了上万步没见松脱:

不过说实话,就我修锅盖的体验来说,纯金属防松螺母没有比半塑料半金属的防松螺母更耐久,10多天就会松。但锅盖把手上不敢涂胶,后来偶然找到个玻璃锅盖给替换了,后者是大号塑料螺丝轴和上下各一个塑料螺母固定的,其下面的螺母数月后也断了,但能把上面的螺母替换到下面继续用,居然也能固定住。

言归正传,接下来要加固篮筐,找到翘起的铁丝:

用老虎钳子夹住插回去:

最后再统统绑上扎带就可以了(多余的可以剪掉,扎带末端最好冲内,免得上公交车时戳到腿~~):

至于说为何不升级成爬楼轮?一来铆钉并没有全部磨平变松,不松的拔不出来;二来我刚开始以为爬楼轮都是集成钢丝卡扣的(家里也有那种车,但原装的袋子破掉闲置了很久才找到替换的):

而老式买菜车是没有卡槽轴的,只有打孔轴,配合插铁丝的带孔塑料盖子固定的(下图中短的M4螺丝不够,所以拿暗盒修复器上多余的长螺丝凑数了~~):

似乎没法装?不过今天看商家文案,现在也有螺杆和螺母固定的爬楼轮了,好像可以升级?

只是也修完了就先算了。如果谁家有旧买菜车想升级可以试试。

总结

用厌氧胶和M4螺丝螺母替换买菜车上磨平松脱的轮子铆钉是可行的。也不一定要买680厌氧胶,2XX的似乎也行,也不见得非要买不可拆卸型,因为有的商家文案里的不可拆卸型别家会说是高强度耐油型,稀里糊涂的,干脆买便宜的拉倒: 

既然厌氧胶起了防松的主要作用,就不用刻意买防松螺母了,感觉普通的M4螺丝螺母套装就行(随便搜了个不锈钢的,注意别买太短了导致拧不上去): 

 扎带同样是普通的就行: 

如果打算升级轮子,也可以试试买螺杆固定的爬楼轮(下面链接示意图是万向轮。估计是因为它在同一个页面里最便宜?但里面也有螺杆轮的,只是他们叫轴承轮),好像一般是7到8毫米直径的轴孔?

(注:本文中的商品主要供参考外观,不保证价格最低或DSR评分更高。)

","force_purephv":"0","gnid":"92a7895ca9b1ad298","goods_list":[{"goods_channel":"天猫精选","goods_cover":"https://p0.ssl.img.360kuai.com/t012e7920865c8d27ce.jpg?size=600x600","goods_link":"https://go.smzdm.com/b9362da63444823d/ca_fz_0_0_0_0_0_0_0","goods_name":"德益DY-N262N271N277N340N680N242N609厌氧胶螺纹螺丝紧固耐高温防松固定强力管道水管接头密封胶水","goods_pos":1,"goods_price":"2.8"},{"goods_channel":"天猫精选","goods_cover":"https://p0.ssl.img.360kuai.com/t013a2fcbd00443096d.jpg?size=600x600","goods_link":"https://go.smzdm.com/1d2fa8a1dce7ff6f/ca_fz_0_0_0_0_0_0_0","goods_name":"M3M4M5M6mm201/304不锈钢平头螺丝螺母套装大全十字沉头螺钉组合","goods_pos":2,"goods_price":"3.37"},{"goods_channel":"天猫精选","goods_cover":"https://p0.ssl.img.360kuai.com/t0156c1bc145ac2efd0.jpg?size=600x600","goods_link":"https://go.smzdm.com/f101bf084399d492/ca_fz_0_0_0_0_0_0_0","goods_name":"尼龙塑料扎带黑白色自锁式强力束线捆绑绳电线固定卡扣勒死狗批发","goods_pos":3,"goods_price":"2"},{"goods_channel":"天猫精选","goods_cover":"https://p0.ssl.img.360kuai.com/t011ac5881fe14c1884.jpg?size=600x600","goods_link":"https://go.smzdm.com/b90cc5a8981c549d/ca_fz_0_0_0_0_0_0_0","goods_name":"禾一购物车买菜车小拉车推车轮子万向轮配件行李车拖车三角轮爬楼","goods_pos":4,"goods_price":"18"}],"img_data":[{"flag":2,"img":[{"desc":"","height":"450","title":"","url":"https://p0.ssl.img.360kuai.com/t01272492012c5d6d82.jpg","width":"600"},{"desc":"","height":"561","title":"","url":"https://p0.ssl.img.360kuai.com/t0195dc9afe72a3be5d.jpg","width":"495"},{"desc":"","height":"502","title":"","url":"https://p0.ssl.img.360kuai.com/t01023e816ebf78a5e4.jpg","width":"454"},{"desc":"","height":"510","title":"","url":"https://p0.ssl.img.360kuai.com/t014c52fd725ee165dd.jpg","width":"504"},{"desc":"","height":"476","title":"","url":"https://p0.ssl.img.360kuai.com/t01464c069b0c15bc3c.jpg","width":"600"},{"desc":"","height":"438","title":"","url":"https://p0.ssl.img.360kuai.com/t01b2e1bb56d9a81440.jpg","width":"600"},{"desc":"","height":"429","title":"","url":"https://p0.ssl.img.360kuai.com/t01e68e90e6e0a12d60.jpg","width":"600"},{"desc":"","height":"560","title":"","url":"https://p0.ssl.img.360kuai.com/t01ccaf52dc2c0ec1b7.jpg","width":"497"},{"desc":"","height":"450","title":"","url":"https://p0.ssl.img.360kuai.com/t019bf3cf1f2422eaa5.jpg","width":"600"},{"desc":"","height":"565","title":"","url":"https://p0.ssl.img.360kuai.com/t01ee65529b2bf62f29.jpg","width":"548"},{"desc":"","height":"349","title":"","url":"https://p0.ssl.img.360kuai.com/t01e0a807241a6f30ce.jpg","width":"600"}]}],"original":0,"pat":"art_src_1,fts0,sts0","powerby":"cache","pub_time":1666113995000,"pure":"","rawurl":"http://zm.news.so.com/97e2d8cb7b9f85b644be3d695c308ef5","redirect":0,"rptid":"e3956b4b7ccd7516","s":"t","src":"什么值得买","tag":[{"clk":"kcar_1:菜车","k":"菜车","u":""}],"title":"小问题自己修 篇四十七:用厌氧胶和M4螺丝螺母及扎带加固老式买菜车的轮子和篮筐

庞树浩1977螺丝m4是什么意思
郜斧翟18278898698 ______ 1.螺丝M4*25表达的意思是标准的普通圆螺纹,直径为4mm的粗牙外螺纹,螺距为1mm,长度为25mm.参照国标:GB/T6561-1986《十字槽沉头锁紧螺钉》,本标准规定了螺纹规格为M2.5~M6的十字槽沉头锁紧螺钉.2.螺丝其它规格标准有:GB/T5280-2002《螺钉用螺纹》规定的螺纹规格为ST1.5~ST9.5的螺钉(金属薄板用螺钉).GB/T5285-1985《六角头螺钉》本标准规定了螺纹规格为ST2.2~ST9.5的六角头螺钉.GB/T6563-2014《六角头自挤螺钉》本标准规定了螺纹规格为M2~M12的六角头自挤螺钉.本标准适用于六角头自挤螺钉.

庞树浩1977m4,m5螺纹什么意思
郜斧翟18278898698 ______ M4的内螺纹孔一般3.24-3.42,这个是个螺纹小径.M4的意思就是公制螺纹,公称直径4mm,螺距0.7的螺纹,螺纹夹角60°M5表示普通粗牙螺纹,螺纹大径为5mm,工厂...

庞树浩1977m4m3螺丝孔区别
郜斧翟18278898698 ______ m4螺纹螺丝孔与m3螺纹螺丝孔最大区别就是其直径尺寸的区别.m4螺纹螺丝是4毫米尺寸的.而m3的螺纹螺丝直径是3毫米尺寸的.4毫米比3毫米大了一个毫米尺寸的.观察孔的直径尺寸也就分的清楚的.大孔直径就是4毫米的.小孔就是3毫米的.M4螺丝底孔是3.242,M3螺丝底孔是2.459.

庞树浩1977m4*0.5 - m4螺纹的公称直径是多少? -
郜斧翟18278898698 ______ M4有两种橘伍规格,一种是普通粗牙,螺距是0.7mm,一种是细牙,螺距是0.5mm,两者的外经是一样的,但内径是不一样的. 如果不标注,默认是粗牙,螺距是0.7mm,内径应该是3.24-3.43,如果是M4X0.5细牙螺纹,计算内径应该是3.439...

庞树浩1977对应于M4自攻锁紧螺钉的孔径应该是多少 -
郜斧翟18278898698 ______ 如果是标准螺距的话,孔的直径应该是3.3mm 推荐值:板厚1.0 底孔3.2mm;板厚1.5 底孔3.4mm板厚2.0 底孔3.5mm板厚2.5 底孔3.5mm. 螺距:螺距,基本物理概念用语,指螺旋的一个螺纹上的一点与相邻螺纹上相应点之间的距离.螺旋...

庞树浩1977机械里所谓的m4螺钉的m4是什么意思? -
郜斧翟18278898698 ______ m4是螺丝钉的一个型号,其中M表示螺纹.4表示螺纹的纹距离.

庞树浩19774.8螺丝是多大的
郜斧翟18278898698 ______ 螺丝一般是按照螺纹的特性来分类,比如螺纹的规格、牙形、长度等.一般螺丝可以分为若干类,比如M1.6、M2、M2.5、M3、M4、M5、M6、M8、M10、M12、M14...

庞树浩1977螺丝M4*10指什么意思啊?
郜斧翟18278898698 ______ M它指的是粗纹螺丝,4是指螺丝公称直径为4mm,10是指螺栓公称长度的螺杆部分长度为10mm. 公称直径就是最外面那圈的直径.

(编辑:自媒体)
关于我们 | 客户服务 | 服务条款 | 联系我们 | 免责声明 | 网站地图 @ 白云都 2024