螺峯金屬工業股份有限公司 TOP SCREW METAL CORP.

捷克帽
捷克帽是一項輕量扣件，設計於安裝在輕薄、柔軟或易碎的材質上。栓緊時，捷克帽的身體會摺疊變形，形成四個腳，緊抓住安裝物件之表面下方，形成一個永久可用的內牙。標準的­捷克帽是由鐵鍍鋅製成，基於電化學腐蝕/雙金屬腐蝕的考量，所有捷克帽皆可以鍍銅。

BLIND JACK NUT
THE BLIND JACK NUT IS AN ECONOMICAL BLIND FASTENER DESIGNED FOR ASSEMBLY LIND USE IN THIN, SOFT OR BRITTLE MATERIALS. WHEN TIGHTENED, THEIR BODY COLLAPSES TO FORM LEGS WHICH GRIP THE INSIDE OF THE MOUNTING SURFACE, LEAVING A PERMANENT REUSABLE THREADED INSERT. STANDARD BLIND JACK NUT ARE MANUFACTURED OF STEEL WITH A COMMERCIAL ZINC PLATING. ALL BLIND JACK NUTS CAN BE SUPPLIED WITH BRASS COATED WHICH ASSIST GALVANIC CORROSION CONCERNS