Champion Bolt & Nut Hex Flange Head M8 x 50mm Yellow Zinc SKU: 225811 MODEL: BBN034 Error. try again later You've successfully joined the club $ 5 .90 pack of 4 Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Champion bolt and nut M8 x 50mm high tensile 8.8 4pk. Features and benefits High tensile. Grade 8.8.