Coarse drywall screws anoshandiswa kubatanidza gypsum board kune matanda ehuni.

• Package yakawanda ingangoita 5952 zvidimbu
• Yekubatanidza gypsum board kune huni dzehuni
• Bugle-head countersinks
• Black-phosphate yakavharwa
• Yakagadzirwa kuti ienderane neASTM C1002
• Horizontal kana herring-bone indentations kuti ubate zviri nani
• Shinda yakakora

Galvanized screw misumari

Nekuda kweiyo helical twist zvipikiri izvi zvakanyanya kusungirirwa pamuti zvine simba pakudhonza-kunze. Iri simba rakawedzerwa rinodiwa kugadzira zvivakwa zvakakosha zvakagadzirwa nematanda, senge kuungana kwepallets, gungano pasi, uye denga. Galvanizing misumari inobvumira kushandiswa kwavo mumamiriro ekunyorova kwepamusoro, sezvo ivo vasinganyanyi kuita ngura pane dema.

Black screw chipikiri

Zvipikiri zvakagadzirirwa kugadzirisa zvakasimba zvematanda uye zvivakwa, zvakadai sekuisa pasi, kugadzira marudzi ese emapuranga ekurongedza midziyo uye kusangana kwezvivakwa zvakasimba. Nekuda kwechimiro chehelical, zvipikiri izvi zvakabatwa zvakanyanya kuhuni. Sezvo zvipikiri zvisina kuputirwa ne zinc, zvinokurudzirwa kuzvishandisa kubasa rakaoma kana mumamiriro ekunyorova.