Connect 30740 Copper Flashed Nut Flanged & Self Locking M10 x 1.5 x 15mm Hex 5pc
Suitable for use with exhaust manifold studs: Part Nos. 35423 (M10 x 1.5 x 38mm), 35425 (M10 x 1.5 x 40mm), 35427 (M10 x 1.5 x 52mm). Thread size: M10, Pitch: 1.5, Hex: 15mm.