Hiina 2019 uue stiili kuuskantkruvide tootja ja tarnija | Ruiye

2019. aasta uus stiil kuuskantkruvi

Lühike kirjeldus:

Materjal: süsinikteras Q195, Q235 / roostevabast terasest

Suurus: M6 M8 M10 M12 M16 ...

Pikkus: 25mm-160mm ...

Pinnakate: tsingitud


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toote märksõnad

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 Long Wood Screw jaoks . Me mängime juhtivat rolli klientide sisustamisel kvaliteetsete kaupadega, suurepärase pakkuja ja agressiivsete tasudega.
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-peaga puidukruvi ,Long Wood Screw jaoks ,puukruvi , 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.
kruvi:

Kruvi on teatud tüüpi kinniti, mõnes mõttes sarnaneb polt, mis on tavaliselt valmistatud metallist, ning mida iseloomustab spiraalse ribi, mida tuntakse  väliskeermega  (väliskeere). Kruvid kasutatakse kinnitamiseks materjalide kaevamine ja kiilumisele materjali kui välja, samas kui niit kärped soonte kinnitatuna materjali, mis võib aidata pull kinnitatakse materjali kokku ja vältida lahtikäiva. Seal on palju kruvid erinevaid materjale; need tavaliselt kinnitatakse kruvid kuuluvad puit, plekk, ja plastikust.

Kruvi on reeglina  pea  üks ots, mis sisaldab spetsiaalselt moodustatud kuju, mis võimaldab seda sisse või  sõidetakse koos vahend. Ühine vahendid sõidu kruvid kuuluvad kruvikeerajad ja mutrivõtmed. Pea on tavaliselt suurem kui keha kruvi, mis hoiab kruvi sõidetakse sügavam kui kruvipikkused ja pakkuda  kandepind

Puit kruvi:

Varajane puidukruvid tehti käsitsi, rea faile, peitlid ja muud lõikeriistad ja need võib kohata lihtsalt märkides ebaregulaarne vahekaugus ja kuju teemasid, samuti faili märgid jäänud kruvipead ja vahelisel alal niidid. Paljud neist kruvid oli tömp ots, täiesti puudub terav kokkutõmmatud punkt peaaegu kõik kaasaegsed puidukruvid. Lõpuks treipingid kasutati tootmise puidukruvid, millel varem patent on registreeritud 1760. aastal Inglismaal. Ajal 1850 vormimist tööriistad töötati pakkuda rohkem ühtne ja järjekindel lõng. Kruvid tehtud need vahendid on ümardatud orud teravate ja töötlemata teemasid. Mõned puidukruvid tehti lõikamisvormide juba hilja 1700 (isegi enne 1678, kui teose sisu avaldati esmakordselt osad).

Kui kruvi keerates masinad on olnud üldiselt kasutusel, kõige kaubanduslikult saadaval puidukruvid toodeti seda meetodit. Need lõigatud puidukruvid on peaaegu alati ahenevad, ja isegi siis, kui kokkutõmmatud varre ei ole ilmne, neid saab eristada, sest teemasid ei laiene varem diameeter varre. Selline kruvid on parim paigaldatud peale külvamist piloot auk kitseneva puuripea. Enamik tänapäeva puidukruvid, välja arvatud valmistatud messingist, on moodustatud keermerullimisseadmed. Need kruvid on konstantne läbimõõt, niidid suurema läbimõõduga kui varre ja on tugevam, sest jooksvalt protsessi ei lõika teravilja metallist.


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