As the professional manufacturer, we would like to provide you high quality 304+410 1022A+SCM435 Hex Flange Head Bi-metal Screw with EPDM Washer.
Self tapping screws for non-metal or soft metal, do not need to hit the bottom hole and tapping; Self tapping screws are pointed, so as to "self tapping"; Ordinary screws are flat - headed and of the same thickness.
Self-tapping screws are mainly used for the connection and fixation of some relatively thin plate parts, such as the connection of color steel plate and color steel plate, color steel plate and purlin, wall beam connection, etc., its penetration capacity is generally not more than 6mm, the maximum is not more than 12mm.
304+410 1022A+SCM435 Hex Flange Head Bi-metal Screw with EPDM Washer
|DIN,ASTM/ANSI JIS EN ISO,AS,GB
|Stainless Steel;Hot rust treasure;mechanical zinc plating
|Steel Grade: DIN: Gr.4,5,6,8.8,10,; SAE: Gr.2,5,8; ASTM: A563
Polishing, Plain, Sand Blasting;Hot rust treasure;mechanical zinc plating
hex bolt；socket bolt；carriage bolt；T bolt；thread rod
|Busy season:15-30days,Slack seaon:10-15days
|stainless steel:bolts and nuts
|Get Free Samples for standard fastener from Gangtong Zheli Fastener