Made of high-strength aeronautical aluminum. - Anodized in color
60% lighter than stainless steel. TYPE: THREADED SCREWS THREAD: M8 X 1.25 DIAMETER: 8MM LENGTH: 20MM HEAD: COUNTERSUNK HEAD DRIVE: ALLEN SURFACE: ANODIZED MATERIAL: ALU QUALITY CATEGORY: NO QUALITY CATEGORY SEAL/WASHER: WITHOUT LENGTH: 40MM