DD Fasteners inopa huwandu hwakazara hwepamusoro-inoshanda uye inochengetedza simba-inochengetedza muswe screws uye self-tapping screws. Muswe we drill une kukurumidza, kugadzikana uye kushanda zvakanaka. Muswe wekuboora unogona kuboora zviri nyore kuburikidza ne6mm ~ 9mm gobvu simbi mahwendefa, uye #5 muswe sikuruu yakatsaurirwa kusimbi yakaita seH inogona kuboora zviri nyore kuburikidza nesimbi yakakora 12.5mm mumasekonzi gumi.

Iyo yese nhevedzano ye screw zvigadzirwa zvinoenderana neAustralia AS3566 standard. Iyo screw material i carbon steel (iyo waya zvinhu inobva kuChina Steel). Hupenyu hwesevhisi hwemuswe screw hwakapfuura iyo SGS yepasirese nyanzvi yekuongorora. Muyedzo wekupfapfaidza munyu weiyo drill tail screw inogona kusvika maawa anopfuura 1000, uye bvunzo yekunaya kweasidhi inogona kugara kweanopfuura maawa gumi nemashanu.

Heavy duty tail self drilling screws inogona kuchengetedza inosvika 50% yekuchera nguva yekutyaira uye ndiyo yakanakisa sarudzo yekuvandudza kugona kweprojekiti uye kuchengetedzeka.

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