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High simba flange yekunze hexagon
Black carbon steel hexagonal flange DIN6921 Kirasi 10.9 hex flange mabhaudhi anonyanya kugadzirwa kubva kumusoro-mhando kabhoni simbi ine chaiwo alloying zvinhu zvakawedzerwa kuti zvizadzise 10.9 - kirasi simba rinodiwa.
Tsanangudzo
marker
Product Material
Black kabhoni simbi hexagonal flange DIN6921 Kirasi 10.9 hex flange mabhaudhi anonyanya kugadzirwa kubva kumusoro - mhando kabhoni simbi ine chaiwo alloying zvinhu zvakawedzerwa kuti uwane iyo 10.9 - kirasi - kirasi simba zvinodiwa. Iyo kabhoni yemukati musimbi inodzorwa nekuchenjerera, kazhinji mukati mechikamu icho, chakasanganiswa nezvimwe zvinhu senge manganese, silicon, uye inoteedzera huwandu hweayo alloying agents, inogonesa mabhaudhi kuti asangane neakasimba mechanical zvivakwa zviyero.
Kuti uwane iyo 10.9 - kirasi simba, iyo kabhoni simbi inopinda chaiyo kupisa - kurapwa maitiro. Izvi zvinosanganisira annealing yekubvisa kushushikana kwemukati uye kunatsa chimiro chezviyo, kudzima kuwedzera kuomarara uye simba nekukurumidza, uye kupisa kugadzirisa kuoma uye kusimba kune yakaringana chiyero. Nekuda kweizvozvo, mabhaudhi aya anogona kuwana kushomeka kwekusimba kwe1000 MPa uye goho resimba re900 MPa, achivapa iwo akanakisa mutoro - kutakura simba uye kugona kutsungirira zvakakosha zvemakina kushushikana.
Iko "dema" kutaridzika kunowanzo kuwanikwa kuburikidza nepamusoro pekurapa maitiro. Izvi zvinogona kusanganisira black oxide coating, uko pasi pesimbi inosangana nekemikari inoita kuti iite yakatetepa, dema, corrosion - inodzivirira oxide layer. Neimwe nzira, inogona kuwanikwa nekushandisa dema - colored anti -corrosion pendi kana mapendi, ayo asingangopi imwe dhigirii rekudzivirira kwekuora asiwo anopa mabhaudhi iwo anosiyanisa ruvara dema.
Product Models
Mutsetse wechigadzirwa weaya hex flange mabhoti unosanganisira akasiyana mamodheru akaiswa muzvikamu zvinoenderana neDIN6921 chiyero, saizi, kureba, uye chaiwo mashandisirwo ezvinodiwa:
Standard Metric Models: Zvinoenderana neDIN6921 chiyero, mabhaudhi aya anowanikwa muhupamhi hwemetric saizi. Madhayamita eBolt anowanzo kubva kuM6 kusvika kuM36, nepo kureba kunogona kusiyana kubva pa10mm kusvika 300mm kana kupfuura, kugovera kune zvakasiyana-siyana zvinodiwa mumapurojekiti akasiyana. Mamodheru emhando anoratidza hunhu hune hexagonal flange musoro dhizaini inotsanangurwa neDIN6921 chiyero, iyo inopa yakakura inotakura nzvimbo yekugovera zvirinani mutoro panguva yekutsanya, kuderedza njodzi yekukuvadzwa kwepasi uye kuwedzera kugadzikana kwekubatanidza.
High - Mutoro - Capacity Special Models: Yezvinorema-basa rekushanda maindasitiri, mapurojekiti makuru ekuvaka, uye akakosha masisitimu ezvivakwa, yakakwira-mutoro - huwandu hwakakosha modhi inopihwa. Aya mabhaudhi anowanzo aine madhayamita akakura uye akakora flange misoro kana ichienzaniswa neyakajairwa modhi. Iwo akagadzirirwa kubata akasimba ekutemesa uye kugera mauto, achivaita akakodzera kuchengetedza michina inorema, hombe-zvimiro zvimiro muzvivakwa nemabhiriji, uye mamwe maapplication apo yakakwirira-simba uye yakavimbika kusungirira kwakakosha.
Tsika - Length Models: Kusangana nezvinodiwa zveprojekiti, tsika - kureba mhando dziripo. Aya mabhaudhi anogona kugadzirwa neasiri-akajairwa kureba mukati meyeshi yekushivirira inotenderwa neDIN6921 chiyero. Tsika - kureba mabhaudhi anonyanya kubatsira mune akasarudzika egungano mamiriro apo akajairwa - kureba mabhaudhi asina kukodzera, kuve nechokwadi chakanyatsokwana uye kuita kwakaringana mukushandisa.
Manufacturing Process
Kugadzirwa kweBlack carbon steel hexagonal flange DIN6921 Kirasi 10.9 hex flange mabhoti inosanganisira akati wandei nhanho uchinyatso kuomerera kune iyo DIN6921 chiyero uye mhando - yekudzora matanho:
Kugadzirira Zvinhu: Yakakwirira-yemhando yekabhoni simbi mbishi zvinhu zvinonyatso kutorwa. Kuongororwa kwakasimba kunoitwa pachimiro chemakemikari, mechanical zvivakwa, uye pamusoro pemhando yesimbi kuti ive nechokwadi chekutevedzera zvinodiwa zve10.9 - kirasi simba uye DIN6921 standard. Masimbi esimbi kana matanda anobva achekwa kuita hurefu hwakakodzera zvichienderana nehukuru hwakatarwa hwebhaudhi.
Kuumba: Iyo kabhoni simbi inoumbwa kuita hunhu hexagonal flange musoro uye bhaudhi shank kuburikidza neinotonhora - musoro kana kupisa - forging maitiro. Cold - heading inowanzoshandiswa kune madiki - saizi mabhaudhi, ayo anoshanda kune akakwira - vhoriyamu kugadzirwa uye anogona kunyatso kuumba chimiro uku uchichengetedza dimensional kuenderana neDIN6921 standard. Kune akakura - mabhaudhi edhayamita, kupisa - kuumba kunoshandiswa. Mukuita uku, simbi inopisa kusvika kune inogoneka uye inoumbwa pasi pekumanikidzwa kwepamusoro kuti iwane simba rinodiwa uye hukuru chaihwo, kusanganisira chimiro uye hukuru hwehexagonal flange musoro sezvinotsanangurwa nechiyero.
Threading: Mushure mekugadzira, mabhaudhi anoitiswa tambo. Thread rolling ndiyo nzira inosarudzwa sezvo ichigadzira tambo yakasimba nekutonhora - kushanda simbi, kuvandudza kuneta kuramba kwemabhoti. Specialized threading dies anoshandiswa kuona kuti shinda inokwana, chimiro, uye chiyero chinonyatsoenderana nezvinodiwa zveDIN6921 standard, inovimbisa kuenderana nenzungu dzinoenderana uye maburi akaiswa tambo.
Kupisa Kurapa: Kuti uwane iyo 10.9 - class mechanical properties, mabhoti akaumbwa anoiswa pasi pekupisa - maitiro ekurapa. Izvi zvinosanganisira annealing pane imwe tembiricha yekubvisa kushushikana kwemukati uye kunatsa chimiro chezviyo chesimbi. Zvadaro, kudzima kunoitwa nekukurumidza kutonhora mabhaudhi anopisa mumhepo yekudzima, iyo inowedzera kuoma kwavo uye simba. Pakupedzisira, kupisa kunoitwa kuti kuderedze brittleness inokonzerwa nekudzima uye kugadzirisa kuoma uye kuoma kwemabhaudhi kusvika padanho rakakwana rinodiwa kune 10.9 - kirasi, kuve nechokwadi kuti vanogona kumirisana nemitoro yakatarwa uye kushushikana.
Surface Treatment: Kuti uwane chitarisiko chitema uye uwedzere kuomarara kuramba, mabhaudhi anorapwa pamusoro. Munyaya yeblack oxide coating, mabhoti anonyudzwa mumushonga wemakemikari ane oxidizing agents. Mushonga uyu unopindirana nesimbi iri pamusoro pesimbi kuti iite mutsetse wakatetepa, wakasviba, wakanamatira we iron oxide. Kana dema - colored anti-corrosion paints kana machira akashandiswa, mabhaudhi anotanga kucheneswa kuti abvise chero tsvina, uye ipapo pendi kana jira rinoiswa zvakaenzana, kungave nekupfapfaidza, kunyura, kana kubhurashi, inoteverwa nekugadzirisa nzira yekusimbisa kunamatira kwakakodzera uye kusimba.
Kuongorora Kwemhando: Batch rega rega remabhoti rinoiswa pasi pekuongororwa kwakasimba zvinoenderana neDIN6921 standard. Dimensional cheki inoitwa kuti ive nechokwadi chekuti dhayamita yebhaudhi, kureba, tambo yakatarwa, saizi yemusoro, uye zviyero zveflange zvinosangana nezvinodiwa chaizvo. Mechanical bvunzo, kusanganisira kusimba kwesimba, kuomarara, uye torque bvunzo, inoitwa kuti ione kuti mabhaudhi anogona kumirisana nemitoro yakatarwa uye kusangana nesimba uye maitiro ekuita e10.9 - kirasi. Ongororo yekuona inoitwa kuti itarise kuremara kwepasi, kuvharika kwekurapa kwepasi dema, uye chero kusateedzera kwechitarisiko chinodiwa. Mabhaudhi chete anopasa ese emhando bvunzo anotenderwa kurongedza uye kugovera.
Surface Treatment Process
Kurapwa kwepamusoro kweaya mabhaudhi kwakakosha kune ese ari maviri kutaridzika uye kusimudzira mashandiro:
Black Oxide Coating Process: Iyo yakasviba oxide coating process inotanga nekunyatsocheneswa kweiyo bolt pamusoro. Izvi zvinosanganisira kuderedza mafuta kubvisa chero mafuta, girizi, kana organic zvinosvibisa, kazhinji uchishandisa zvinonyungudutsa kana alkaline mhinduro. Zvadaro, kunhonga kunoitwa kubvisa ngura, chikero, uye kumwe kusvibiswa kwemukati kubva pamusoro, kazhinji nemhinduro yeasidhi. Mushure mekuchenesa, mabhaudhi anonyudzwa mune inopisa dema oxide solution, iyo inowanzo ine sodium hydroxide, sodium nitrite, uye zvimwe zvinowedzera. Iko kemikari inopindirana pakati pemhinduro uye pamusoro pesimbi inoumba hutete hwesimbi yesimbi oxide (magnetite, Fe₃O₄) pamusoro pebhaudhi. Ukobvu hweiyi layer hunowanzo hutete zvakanyanya, kazhinji muhuwandu hwe 0.5 - 1.5 microns. Mushure mekuputira, mabhaudhi anoshambidzwa zvakakwana kuti abvise chero mhinduro yakasara uye obva aoma. Kuti uwedzere kuwedzera kusadzivirirwa necorrosion, nzira yekurapa inogona kushandiswa, sekuisa chidimbu chemafuta kana wakisi kuzadza pores muokisidhi layer uye kupa imwe dziviriro.
Dema - Colored Coating Process: Paunenge uchishandisa dema - colored anti-corrosion pendi kana mapendi, iyo pre-kurapwa kwakafanana neiyo yeblack oxide coating. Mushure mokunge mabhoti acheneswa uye akaomeswa, pende kana kuvhara kunoshandiswa. Iyo nzira yekushandisa zvinoenderana nerudzi rwekupfekedza zvinhu uye chiyero chekugadzira. Kupfapfaidza inzira yakajairika yekugadzirwa kwakakura, sezvo ichigona kupa yakaenzana uye yakatetepa yekuputira layer nekukurumidza. Dipping inokodzera diki - kugadzirwa kwechiyero kana kana pari kudiwa coating yakakora. Brushing inogona kushandiswa kubata - kumusoro kana mumaapplication panodiwa kupfekedzwa chaiko. Mushure mekushandisa, mabhoti anoporeswa zvichienderana nezvinodiwa chaizvo zvekupfeka zvinhu. Izvi zvinogona kusanganisira mhepo - kuomeswa pane tembiricha yekamuri, kubika muchoto pane imwe tembiricha yeimwe nguva, kana kushandisa dzimwe nzira dzekurapa, kuve nechokwadi chekuti iyo yekupfeka inoomesa zvizere uye inonamira zvakanaka kune bhaudhi pamusoro, ichipa kuchengetedzwa kwenguva refu uye kuchengetedza chitarisiko chitema.
Application Scope
Black carbon steel hexagonal flange DIN6921 Kirasi 10.9 hex flange mabhoti anoshandiswa zvakanyanya mumaindasitiri akasiyana uye maapplication:
Kuvaka uye Kuvaka: Muzvirongwa zvekuvaka, kunyanya mukuvaka kwesimbi - zvivakwa zvivakwa, mabhiriji, uye mahombe-maindasitiri maindasitiri, mabhaudhi aya anoita basa rakakosha. Iwo anoshandiswa kubatanidza matanda esimbi, mbiru, uye trusses. Iyo 10.9 - kirasi simba inova nechokwadi chekuti vanogona kutsungirira mitoro inorema uye kushushikana kwemagetsi kunogadzirwa panguva yekuvaka uye mukushanda kwenguva refu kwezvivakwa. Iyo hexagonal flange musoro dhizaini inogovera mutoro zvakaenzana, kuderedza njodzi yekukuvadza kune zvakabatanidzwa zvikamu uye kuwedzera kugadzikana kwese kwechimiro. Iyo dema yepasi kurapwa haingopi imwe dhigirii yekuramba kuonda asiwo inopa mabhaudhi chitarisiko chinoyevedza, chinogona kuve chakanakira mukuvaka kwekushandisa uko mabhaudhi anogona kuoneka.
Industrial Machinery Manufacturing: Mukugadzira michina yemaindasitiri, mabhaudhi aya akakosha pakuunganidza zvinhu zvakakosha. Iwo anoshandiswa kuchengetedza zvinorema-basa zvikamu, senge mabhuroko einjini, magiya mabhokisi, uye mafuremu emakina makuru. Kusimba kwepamusoro kweiyo 10.9 - kirasi mabhaudhi inovatendera kuti vamire kuzunguzika, kuvhunduka, uye mitoro inorema inogadzirwa panguva yekushanda kwemuchina. Iyo dema yepasi kurapwa inobatsira kuchengetedza mabhaudhi kubva kune yakaoma maindasitiri nharaunda, iyo inogona kunge iine huruva, hunyoro, uye akasiyana makemikari, kuwedzera hupenyu hwesevhisi yemabhaudhi uye nekuona kushanda kwakavimbika kwemuchina.
Maindasitiri eMotokari uye Zvekutakura: Muindasitiri yemotokari, mabhaudhi aya anoshandiswa mukuungana kwemotokari, kunyanya kuchengetedza zvinhu zvinoda kusungirirwa kwesimba repamusoro, zvakaita sezvikamu zveinjini, zvikamu zvechasi, uye masisitimu ekumisa. Iyo 10.9 - kirasi simba inovimbisa kuchengetedzwa uye kuvimbika kwemotokari pasi pemamiriro akasiyana ekutyaira. Muchikamu chezvekufambisa, kumarori, zvitima, uye ngarava, mabhaudhi aya anoshandiswa kusungira zvakakosha zvimiro uye zvemuchina. Ruvara rutema runogonawo kubatsira mukuvhara uye kudzivirira kubva kune madiki scratches uye mabrasions panguva yekufambisa uye kushanda.
Simba uye Simba Generation: Muzvicherwa zvemagetsi, zvinosanganisira zvinopisa, nyukireya, uye zvivakwa zvesimba rinodzokororwa, mabhaudhi aya anoshandiswa kusungirira midziyo, pombi, uye zvimiro zvesimba. Ivo vanofanirwa kumira tembiricha yakakwira, kudzvanywa, uye kushushikana kwemagetsi munzvimbo yekugadzira magetsi. Iyo 10.9 - kirasi simba uye corrosion - inodzivirira dema pamusoro pekurapa inovimbisa iyo yakareba-yakavimbika kushanda kwemabhaudhi, ichideredza njodzi yekutadza kwechikamu uye mari yekugadzirisa mune idzi dzakakosha simba - zvigadzirwa zvekugadzira.
Product Advantages
Yakakwirira - Simba uye Kuvimbika Kutsanya: Ne 10.9 - kirasi simba rechiyero, mabhaudhi aya anopa yakanakisa tensile uye goho simba. Ivo vanogona kubatanidza zvakasimba zvikamu zvezvimiro uye kumira mitoro inorema, vibrations, uye shear masimba, kuve nechokwadi kugadzikana uye kuchengetedzeka kweinjiniya zvimiro nemichina mumashandisirwo akasiyana siyana. Iyo yakazara-shinda dhizaini uye chaiyo yekugadzira maitiro yakavakirwa paDIN6921 chiyero inowedzera kuwedzera kuvimbika kwekusunga.
Optimal Load Distribution: Iyo hexagonal flange musoro dhizaini inopa yakakura kubereka nzvimbo inofananidzwa neyakajairwa hex musoro mabhaudhi. Iyi dhizaini inogovera mutoro zvakanyanya panguva yekutsanya, ichideredza njodzi yekukuvadzwa kwepamusoro kune zvakabatanidzwa zvinhu, kunyanya kune zvinyoro zvinyoro kana zvitete - zvakakomberedzwa nemadziro. Iyo inosimudzirawo kugadzikana kwese kwekubatanidza, zvichiita kuti irambe ichidzivirira kusunungura pasi pemitoro ine simba uye vibrations.
Good Corrosion Resistance: Kunyangwe nzira dzekurapa dzepadenga dema dzichisiyana, ese ari maviri eblack oxide coating uye dema - colored anti -corrosion pendi kana mapendi anopa imwe dhigirii yekuramba kukora. Iyo dema oxide layer kana firimu rekuputira rinoita sechivhariso, kudzivirira hunyoro, okisijeni, uye zvimwe zvinhu zvinoparadza kubva pakusangana zvakananga nekabhoni simbi pamusoro, zvichiwedzera hupenyu hwesevhisi yemabhaudhi, kunyanya munzvimbo dzine hunyoro huri pakati nepakati uye zvinhu zvinoparadza.
Yakamisikidzwa Dhizaini uye Kuenderana: Zvichienderana neDIN6921 chiyero, mabhaudhi aya anopa dhizaini yakamira, kuve nechokwadi chekuenderana uye kuchinjika mumapurojekiti akasiyana nemaindasitiri. Iwo akajairwa zviyero, tambo yakatarwa, uye dhizaini yemusoro inobvumira kutsiva nyore uye kushandiswa kwematurusi akajairwa, kurerutsa kutenga, kuisa, uye kugadzirisa maitiro. Uku kumisikidzwa kunoderedzawo njodzi yekukanganisa mukuungana uye kunosimudzira kuita kwese kweprojekiti.
Aesthetic Appeal: Kuonekwa kwakasviba kwemabhaudhi aya kunogona kupa kutaridzika kunofadza kutaridzika, iyo inogona kuve yakanakira mukushandisa uko mabhoti anoonekwa, senge mukuvaka uye dhizaini - yakatarisana mapurojekiti. Iyo yunifomu dema ruvara inogona zvakare kubatsira mukuziva uye kuronga mabhaudhi panguva yekuisa uye kugadzirisa, kuvandudza kushanda zvakanaka.
Mutengo - Unoshanda: Aya mabhaudhi anopa mutengo - unoshanda mhinduro kune yakakwirira-simba yekusimbisa zvinodiwa. Kugadzirwa kwavo kwakamisikidzwa, kuwanikwa kwakafara mumasikisi akasiyana, uye nzira dzakareruka dzekurapa dzepamusoro dzinobatsira mukuchengetwa kwemitengo mumapurojekiti, zvichiri kupa kuita kwakavimbika uye kusimba.
taura nesu
Zvigadzirwa zvakakurumbira zvinoenderana
Dacromet kunze matanhatu
Dacromet galvanized Giredhi 8.8 uye 10.9 yakakwirira - tensile B7 hex musoro mabhaudhi nenzungu zvinonyanya kushandisa yakakwirira - simba alloy simbi sechinhu chigadziko.
Spring pad
Spring washers anonyanya kugadzirwa kubva kumhando yepamusoro-yemhando zvinhu kuti ave nechokwadi chekushanda uye kusimba. Carbon steel chinhu chinoshandiswa zvakanyanya, kazhinji mumagiredhi se65Mn kana 70, inogona kuve kupisa - inorapwa kuwedzera elasticity yayo uye kuneta kuramba.
Outer hexagon flange flat musoro bhaudhi
Geomet flange mabhoti anonyanya kugadzirwa kubva kumhando yepamusoro-yemhando zvinhu, yakanyatsosarudzwa kuti ienzanise simba, kusimba, uye kushora. Carbon simbi chinhu chinowanzoshandiswa base material, kunyanya mumagiredhi akadai 4.8, 8.8, uye 10.9.
Bolt + nzungu + washer matatu-musanganiswa bhaudhi
Combination bolt washer nati yakamisikidzwa masanganiswa anowanzo kugadzirwa kubva kwakasiyana-siyana emhando yepamusoro zvinhu, zvakasarudzwa zvichibva pane zvinodiwa zvekushandisa zvesimba, kusimba, uye kushora. Carbon steel chinhu chinoshandiswa nevakawanda base base material, kunyanya mumagiredhi akaita se4.8, 8.8, uye 10.9.
Square nzungu
Square nzungu dzinowanzo gadzirwa kubva kwakasiyana-siyana emhando yepamusoro zvinhu, imwe neimwe inosarudzwa kuti isangane nezvinodiwa zvekuita.
Countersunk hexagon socket head cap screw
Black flat musoro Allen kiyi mabhaudhi anonyanyo gadzirwa kubva kumhando yepamusoro zvinhu kuti ive nechokwadi chekusimba uye yakavimbika yekusimbisa kuita. Carbon simbi chinhu chinowanzoshandiswa base material, kunyanya mumagiredhi akadai 4.8, 8.8, uye 10.9.
Flat head hexagon socket machine screw
CSK flat socket head screws anowanzo kugadzirwa kubva kwakasiyana siyana yezvigadzirwa, imwe neimwe inosarudzwa kuti isangane nezvinodiwa zvekuita. Carbon simbi chinhu chinowanzo shandiswa kune general - chinangwa maapplication. Magiredhi akadai se4.8, 8.8, uye 10.9 anowanzo shandiswa.
Isa madziro anchor
Ceiling anchors dzakagadzirwa zvine hungwaru kubva kumusoro - giredhi zvinhu kuti ive nechokwadi chepamusoro kuita uye kusimba.
Bhatani rehafu
Iyo 10.9s hombe yehexagon bhaudhi yekubatanidza pairi nehafu - shinda uye Dacromet galvanization inonyanya kushandisa yakakwirira - simba alloy simbi seyakadzika zvinhu. Iyo "10.9s" giredhi inoratidza kuti mabhaudhi aya anozadzikisa zvinodiwa zvemuchina.
Flange ine mabhaudhi matanhatu ekunze
DIN6921 hex musoro flange mabhaudhi ane yero zinc plating, mazino akazara, uye pasina serrations, anoenderana ISO4162 uye GB5787 zviyero, anonyanya kugadzirwa kubva kumusoro - simba alloy simbi mumagiredhi 8.8, 10.9, uye 12.9.
Round matatu-maburi iron plate nzungu
Matatu maburi akatenderedza nzungu anowanzo kugadzirwa kubva kwakasiyana-siyana, imwe neimwe inosarudzwa kuti isangane nezvakada kuita zvinodiwa. Alloy simbi chinhu chinowanzo shandiswa, kunyanya kune maapplication anoda kusimba kwepamusoro uye kusimba.
Luxiubao drill thread
Self-tapping screws zvipikiri zvakaputirwa neRuspert zvinowanzogadzirwa kubva kumusoro-mhando base zvinhu, zvakanyatsosarudzwa kuti ive nechokwadi chekushanda kwakakwana kwakasanganiswa nemabhenefiti ekudzivirira eRuspert coating.
Eyebolt
Kusimudza mabhoti eziso anonyanya kugadzirwa kubva kumusoro-simba zvinhu kuti ave nechokwadi chekuvimbika chinotakura mutoro uye kuchengetedzeka panguva yekusimudza mabasa. Alloy simbi chinhu chinowanzoshandiswa, kunyanya mamakisi akadai 42CrMo uye 35CrMo.
Blue White Carbon Steel Hexagonal Self-tapping Screw With EPDM Washer Hex Self-drilling Screws Roof Screws
●Nyaya: Carbon Steel ●Surface Treatment: Galvanized, Black Oxide, Hot Dip Galvanizing, Dacromet，Ruspert ●Size: 6#,7#,8#,10#,12#,14# / ST3.5, ST3.9, ST4.2, ST4.8, ST5.5, ST6: MM 2: 1 ● 3 ST6: MM 2 MM 3.5, ST5.5 . ● Chiyero: DIN,ANSI,BSW,JIS,GB
Hex Self-drilling Screws NeEPDM Washer Carbon Steel Hexagonal Self-tapping Screw Roof Screws
●Nyaya: Carbon Steel ●Surface Treatment: Galvanized, Black Oxide, Hot Dip Galvanizing, Dacromet，Ruspert ●Size: 6#,7#,8#,10#,12#,14# / ST3.5, ST3.9, ST4.2, ST4.8, ST5.5, ST6: MM 2: 1 ● 3 ST6: MM 2 MM 3.5, ST5.5 . ● Chiyero: DIN,ANSI,BSW,JIS,GB