Screw

• Type：Precsion Screws
• Specifications：Test-Big、Test-In
• Head shape：INDENTED HEXAGON WASHER、cheese head、PAN WASHER、TRUSS、FLAT、PAN
• Groove type：phillips、SIX-LOBE、HEXAGON
• texture of material：aluminum、Simple Steel、SUS
• surface treatment：Zinc Black、Zinc blue、Color-Zinc
• heat treatment：Harden、thermal refining
• strength：4.8、8.8、10.9、12.9
• Tail type：B、A
• application area：Watch screw、Consumer Electronics