Hiina Hulgimüük Hind M6 M8 M10 M12 Cross Building puukruvi Pan Head Bolt Kr roostevabast terasplekist Ss 304 Tootja ja tarnija | Ruiye

Hulgihind M6 M8 M10 M12 Cross Building puukruvi Pan Head Bolt Kr roostevabast terasplekist Ss 304

Lühike kirjeldus:

Materjal: süsinikteras Q195, Q235 / roostevabast terasest

Suurus: M6 M8 M10 M12 M16 ...

Pikkus: 25mm-160mm ...

Pinnakate: tsingitud


toote Detail

toote märksõnad

Meil on alati pidevalt pakkuda teile kõige kohusetundlik klienditeeninduse ja laia erinevaid kujunduse ja stiile parimatest materjalidest. Need katsed hõlmavad kättesaadavust kohandatud disainilahenduste kiirus ja lähetamist Hulgihind M6 M8 M10 M12 Cross Building puukruvi Pan Head Bolt Kr roostevabast terasplekist Ss 304, Panime aus ja tervis esmase vastutuse. Meil on professionaalne rahvusvaheline kaubandus meeskond, mis lõpetas Ameerikas. Oleme oma järgmise äripartner.
Meil on alati pidevalt pakkuda teile kõige kohusetundlik klienditeeninduse ja laia erinevaid kujunduse ja stiile parimatest materjalidest. Need katsed hõlmavad kättesaadavust kohandatud disainilahenduste kiirus ja lähetamist Bs 1210 puukruvi ,Socket Head puidukruvid ,puukruvi , Our skilled engineering group will always be ready to serve you for consultation and feedback. We are able to also offer you with absolutely free samples to meet your requirements. Finest efforts will likely be produced to offer you the ideal service and items. For anyone who is thinking about our company and merchandise, remember to contact us by sending us emails or contact us quickly. As a way to know our merchandise and firm. lot more, you can come to our factory to find out it. We are going to always welcome guests from all over the world to our business to build company relations with us. Remember to feel free to get in touch with us for business and we believe we've been going to share the top trading practical experience with all our merchants.
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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