在线无码黄色青青青青青艹_日韩精选视频欧美成人黄视频_精品成人AV在线观看_日韩精品久久久无码_特AAA级黄色视频_91一二三区国产色婷婷_黄色三级大片国在线精品_久久综合资源原创

Chinese   |   English

Tel:0577-65350010

Fax:0577-65365455

Location:Home > News

News

The hex nut is part of the machinery and equipment closely linked

Date:2016-07-08   Hit:

The hex nut is part of the machinery and equipment closely linked


Hexagon nuts are parts of machinery and equipment will closely connected through threaded inside, the same size nuts and screws, to connect together.

Hex nuts

Kind of nut variety, we have common national standard, British standard, American Standard, the subject of nut nut according to different materials, divided into carbon steel, high strength steel, stainless steel, steel and other major types of product attributes corresponding to different countries standard is divided into ordinary, non-standard, (old) GB, the new national standard, American, British, German standard. Different sizes, ranging from threads into different specifications. Generally GB, German standard represented by M (for example, M8, M16), American, British is expressed as a fraction or # specifications.

Nut is a nut, bolt or screw fastening screw together to play the role of part A of the original all manufacturing machinery must be used. Nut species variety, we have common national standard, British standard, American standard, Japanese subject nut nut according to different materials, divided into carbon steel, high strength steel, stainless steel, steel and other major types of product attributes corresponding to countries with different standards numbers are divided into ordinary, non-standard, (old) GB, the new national standard, American , English, German standard. Different sizes, ranging from threads into different specifications. Generally GB, German standard represented by M (for example, M8, M16), American, British is expressed as a fraction or # specifications (such as # 8, # 10, 1 / 4,3 /8)

Defined hexagonal nut


Hex nuts and bolts, screws with the use of the connecting mechanical fastening effect. One by one type 1 six most widely used nuts, C-level nut for rough surface, on to less precision machinery, equipment or structures; A-level and B-level nut for surface is smooth, for high precision machinery, equipment or structure. Type 2 hexagon nuts M thick thickness, used often require frequent disassembly occasions. Hexagon thin nut M thin thickness, used for connected parts of the surface of the space-constrained applications.


主站蜘蛛池模板: 黄色AV网站丝袜| 美女不卡在线黄片| 成人电影 一区 播放| 欧美性爱美利竖伊人网日韩| 日韩毛片在线观看网址| 免费的av毛片亚洲元无码| 日韩色图AV三级黄色无码毛| 成人AV电影在线观看| 三级片三级片你的个逼| 亚洲AV无码一区二区三区臀| 亚洲AV无吗久久久久| 成人三级片动漫色情片大全久久| av天天国产TS无码传媒| 欧美图片日韩影院| 日本韩国一级二级视频| 日本黄A级A片国产免费| 激情六月天婷婷免费观看A| 日本国产激情一区| 久久久国产影视噜一在线| 亚洲成人性生活视频| 亚洲av无码免费在线观看| 国产高清无码不卡| 无码免费视频aaaaa| A级免费观看久操国产在线| 亚洲精品视频九区| 合婷婷五月天2区| 国产一区二区视频美女直播| 国内自拍√A亚洲| 国产精品睡熟迷奷| 亚洲无码三级电影| 手机在线观看欧美性爱视频| 成人一级黄色a片电影| 无码视频电影播放网站| 日韩A级特级视频| a日本电影网站免费v| 日本a片电影网站| 国产无码AV原创| 亚洲精品R级在线观看| 日本特黄A片五月开心色播| 国产r级片在线观看完整版视频| 欧美日韩日潮国产av再线看|