Kitajska 2019 Novi stil Hex Long Wood Screw Proizvajalec in dobavitelj | Ruiye

2019 New Style Hex Long Wood vijak

Kratek opis:

Material: ogljikovo jeklo Q195, Q235 / nerjavno jeklo

Velikost: M6 M8 M10 M12 M16…

Dolžina: 25 mm-160 mm…

Površinska obdelava: pocinkano


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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 vijačni , igramo vodilno vlogo pri opremljanju strank z dobrim kakovostnim blagom, odličnim ponudnikom in agresivnimi stroški.
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 Head lesni vijak ,vijačni ,vijak za , 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.
Vijak:

Vijak je vrsta pritrdilnega sredstva, na nek način podoben vijaku, običajno izdelan iz kovine, za katerega je značilen spiralni greben, znan kot  moški navoj  (zunanja nit). Vijaki se uporabljajo za pritrditev materialov s kopanjem in vtaknitvijo v material, ko so obrnjeni, medtem ko nit vrezane utore v pritrjeni material, kar lahko pomaga pri povlečenju pritrjenih materialov skupaj in prepreči izvlečenje. Obstaja veliko vijakov za različne materiale; tisti, ki jih običajno privijte z vijaki, vključujejo les, pločevino in plastiko.

Vijak ima običajno  glavo, ki vsebuje posebej oblikovano obliko, ki omogoča, da se poganja . Običajna orodja za vijake vključujejo izvijače in ključe. Glava je ponavadi večja od telesa vijaka, kar preprečuje, da se vijak poganja globlje od dolžine vijaka in da zagotavlja  nosilno površino

Vijak za les:

Zgodnji vijaki za les so bili narejeni ročno, z vrsto datotek, dleta in drugih rezalnih orodij, ki jih je mogoče zlahka opaziti, če opazite nepravilen razmik in obliko navojev, pa tudi oznake datotek, ki ostanejo na glavi vijaka in na območju med nitmi. Mnogi od teh vijakov so imeli tup konec, popolnoma pa niso imeli ostre konice na skoraj vseh sodobnih vijakih za les. Sčasoma so stružnice uporabile za izdelavo vijakov za les, najzgodnejši patent je bil zabeležen leta 1760 v Angliji. V 1850-ih so bila razvita orodja za menjavo, da bi zagotovila bolj enotno in dosledno nit. Vijaki, narejeni s tem orodjem, imajo zaobljene doline z ostrimi in hrapavimi niti. Nekateri vijaki za les so bili narejeni z rezalnimi matricami že v poznih 1700-ih letih (morda celo pred letom 1678, ko je bila vsebina knjige prvič objavljena po delih).

Ko so bili stroji za struženje vijakov v splošni uporabi, je bila s to metodo izdelana večina komercialno dostopnih vijakov za les. Ti rezani vijaki za les so skoraj vedno zoženi, in tudi če ni koničasta noga očitna, jih je mogoče opaziti, ker niti ne segajo čez premer kraka. Takšne vijake je najbolje namestiti po vrtanju pilotske luknje s koničnim svedrom. Večina sodobnih vijakov za les, razen tistih iz medenine, je oblikovanih na valjanih strojih z navojem. Ti vijaki imajo stalen premer, niti z večjim premerom kot drog in so močnejši, ker postopek valjanja ne reže zrna kovine.


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