CNC Machined from 7075T73 aluminum for a smooth finish;Bolt heads are cold formed and the shanks threads are rolled;Chemically brightened and color anodized to between 8 and 12 microns thick;Tensile strength is 0-560Mpa; which is stronger than mild steel;60% lighter than steel and 40% lighter than Titanium

• Pro Bolt Aluminum Windscreewn Screw Kit - Black/5mm 6 Bolt Kit , Material: Aluminum SK6-BK
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Pro Bolt Aluminum Windscreewn Screw Kit - Black/5mm 6 Bolt Kit , Material: Aluminum SK6-BKPro Bolt