Coarse drywall screws yog siv los txuas gypsum boards rau cov ntoo studs.

• Pob kom muaj nuj nqis kwv yees li 5952 daim
• Rau txuas gypsum board rau ntoo studs
• Bugle-head countersinks
• Dub-phosphate coated
• Ua raws li ASTM C1002
• Kab rov tav los yog herring-pob txha indentations rau tuav zoo dua
• Coarse xov

Galvanized ntsia hlau ntsia hlau

Vim yog lub helical twist cov ntsia hlau no ntau nrees txuas rau tsob ntoo nrog ib tug quab yuam ntawm rub-tawm. Qhov kev siv zog ntxiv no yog xav tau los tsim cov qauv tseem ceeb ua los ntawm cov ntoo, xws li kev sib dhos ntawm cov pallets, cov plag tsev sib dhos, thiab cov vov tsev. Galvanizing rau tes tso cai rau lawv siv nyob rau hauv high humidity tej yam kev mob, raws li lawv muaj ntau yam tsawg nws yuav xeb dua dub.

Dub ntsia hlau

Cov ntsia hlau ntsia hlau npaj rau kev txhim kho cov khoom ntoo thiab cov qauv, xws li cov plag tsev, ua txhua yam ntawm cov thawv ntim ntoo thiab sib dhos ntawm cov txheej txheem nruj. Vim cov duab helical, cov ntsia hlau tau tuav nruj dua rau cov ntoo. Txij li cov ntsia hlau tsis coated nrog zinc, nws raug nquahu kom siv lawv rau kev ua haujlwm ntxhib lossis hauv cov av qis.