Material Stainless Steel Metal Type Stainless Steel Size M8 x 20 About this item M8 x 20 - ISO metric internal thread Material: A2 stainless steel (V2A) | AISI 304 Stainless - Raw surface Industrial quality Dimensions: M8 x 20 mm External diameter: 11 mm Choose between M6 | M8 | M10 | M12 | M16 | M20 | in 20 mm lengths | 25 millimeters | 30 millimeters | 35 millimeters | 40 millimeters | 50mm