China 2019 New Style Hex longo Wood Screw Fabricantes e provedores | Ruiye

2019 New Style Hex longo Wood Screw

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Material: Q195 aceiro carbono, aceiro Q235 / inoxidable

Tamaño: M6 M8 M10 M12 M16 ...

Lonxitude: 25mm-160 milímetros ...

Revestimento de superficie: galvanizado


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We're convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for 2019 New Style Hex longo madeira parafuso , que desempeñan un papel de liderado en ofrecer os clientes con produtos de boa calidade gran provedor e gravames agresivos.
We're convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for Hex cabeza Parafuso de madeira ,longo madeira parafuso ,Wood Screw , Customer satisfaction is our goal. We've been looking forward to cooperating with you and providing our best services to suit your needs. We warmly welcome you to contact us and you should feel free to contact us. Browse our online showroom to see what we can do for you personally. And then E-mail us your specifications or inquiries today.
parafuso:

Un parafuso é un tipo de fixador, de certa forma semellante a un parafuso, normalmente feitas de metal, e caracterízanse por unha crista helicoidal, coñecida como unha  rosca macho  (rosca externa). Os parafusos son usados para prender materiais de escavación en cuña e nun material cando está conectado, mentres que as rañuras corta o fío no material prendido que pode axudar a tirar materiais fixados en conxunto e evitar pull-out. Existen moitos parafusos para unha variedade de materiais; aqueles normalmente fixado por parafusos inclúen madeira, folla de metal e plástico.

Un parafuso terá xeralmente unha  cabeza  nunha extremidade que contén unha forma especialmente formado que permite que sexa xirado, ou  accionado , cunha ferramenta. Ferramentas comúns para tornillos de condución inclúen claves de fenda e chaves. A cabeza é xeralmente maior que o corpo do parafuso, o que mantén o parafuso de ser impulsada máis profundo do que a lonxitude do parafuso e para proporcionar unha  superficie de apoio

parafuso de madeira:

parafusos de madeira iniciais foron feitos a man, cunha serie de arquivos, formões e outras ferramentas de corte, e estes poden ser vistos facilmente por referirse a paso irregular e forma dos fíos, así como marcas de arquivo resto na cabeza do parafuso e na zona entre as roscas. Moitos destes parafusos tivo un fin brusco, falta por completo o punto cónico acentuada en case todos os parafusos de madeira modernos. Finalmente, tornos foron usadas para a fabricación de parafusos de madeira, co máis antigo de patente a ser gravada en 1760 en Inglaterra. Durante a década de 1850 ferramentas de estampación foron desenvolvidos para proporcionar un fío máis uniforme e coherente. Parafusos feitos con estas ferramentas teñen vales redondeados con temas afiadas e ásperas. Algúns parafusos de madeira feitas con matrices de corte tan cedo como o final de 1700 (posiblemente antes de 1678, cando o contido do libro publicouse por primeira vez en partes).

Xa que as máquinas de rosca transformando estaban en uso común, parafusería de madeira máis dispoñibles comercialmente producíronse con este método. Estes parafusos de corte de madeira son case invariablemente afunilada, e mesmo cando a hasta afunilada non é obvia, que pode ser discernido porque as roscas non estenderse máis aló do diámetro da espiga. Estes parafusos son mellores instalado tras a perforación dun orificio piloto cunha broca afilada. A maioría dos parafusos de madeira modernos, excepto para aquelas feitas de latón, fórmanse en máquinas de laminados. Estes parafusos teñen un diámetro constante, as roscas cun diámetro maior que a hasta, e son máis fortes, xa que o proceso de laminagem non corta o gran do metal.


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