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A pack of M10 x 1.5 pitch x 15mm Hex self-locking flanged nuts for use with exhaust manifold studs. The slight oval shape these nuts provides anti-vibration properties and allows them to act as a self-locking nut, with it's full metal construction making it suitable for use on high temperature components. The flanged base allows for the pressure to be distributed over a greater contact area, with the copper flashing providing an anti-seize coating which helps to eliminate seizure on the manifold studs. Applications include: Opel, Vauxhall. Equivalent to: OEM 854976. Thread size: M10, Pitch: 1.5, Hex: 15mm. Flange diameter: 21.1mm. 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). Brand Connect Color Brown Model 30740 Set Name 1 set of 5 pieces Size Name M10 x 4 cm Metal Type Copper Drive Style External Hex Item Weight 0.06 Kilograms Part Number 30740 Thread Size M 10 Thread Type Iso Metric Finish Types Kupfer Grade Rating commercial Manufacturer Connect Fastener Type Hex Material Type Copper Item Type Name Copper Flashed Nut Flanged & Self Locking M10 x 1.5 x 15mm Hex 5pc Exterior Finish Copper Item Dimensions 4.72 x 1.97 x 1.57 inches Number Of Items 1 Number of Pieces 5 Screw Head Style Flange Inside Thread Size M10 x 1.5 Included Components Copper Flashed Nut Flanged & Self Locking M10 x 1.5 x 15mm Hex 5pc Compatible Groove Diameter 1E+1 Millimeters