Material - Copper flashed steel. Type - Self locking oval top flange nuts.
eBay
T2 Copper Hexagon Nut Red Copper Nut Conductive Nut Washer Locking Screw Cap Pure Copper Conduction
Aliexpress UK
Sizes M5 to M24. M24 x 30 x 2. M5 x 9 x 1. Copper Sealing Washers. M18 x 22 x 1.5. M16 x 22 x 1.5. M16 x 20 x 1.5. M14 x 20 x 1.5.
eBay
T2 Copper Hexagon Nut Red Copper Nut Conductive Conduction Nut Washer Locking Screw Cap Pure Copper
Aliexpress UK
"COPPER FLASHED" EXHAUST MANIFOLD FLANGED WHIZZ NUTS. These Nuts are copper flashed and are used on exhaust manifolds - they give excellent corrosion resistance. Skoda N90085001, Skoda 3U0253095E. SMART A1201420072, SMART 1201420072.
eBay
T2 Pure Copper Hexagon Nut Red Copper Nut Conductive Conduction Nut Washer Locking Screw Cap Pure
Aliexpress UK
"COPPER FLASHED" EXHAUST MANIFOLD FLANGED WHIZZ NUTS. M10 X 1.25mm Copper Flashed Nuts. M10 X 1.25mm Flange Nuts. These Nuts are copper flashed and are used on exhaust manifolds - they give excellent corrosion resistance.
eBay
T2 Pure Copper Hexagon Nut Red Copper Nut Conductive Conduction Nut Washer Locking Screw Cap Pure
Aliexpress UK
Slotted with collar M8 SW13 nut. 50 pcs nuts / exhaust nuts elbow nut. In automotive engineering, an exhaust manifold collects the exhaust gases from multiple cylinders into one exhaust pipe. Material: Carbon steel copper plated.
eBay
50pcs Copper Exhaust Nuts M8 SW13 Copper-plated Head Stud Lock Nuts Copper Bolt Screw Bolt Screw
Aliexpress UK
SIZES - M8 X 1.25 PITCH. M10 X 1.5 PITCH. MATERIAL - COPPER FLASHED. TYPE - EXHAUST MANIFOLD NUTS. TECHNICAL INFORMATION.
eBay
50pcs Copper Exhaust Nuts M8 SW13 Copper-plated Head Stud Lock Nuts Copper Bolt Screw Bolt Screw
Aliexpress UK
"COPPER FLASHED" EXHAUST MANIFOLD SERRATED FLANGED NUTS. M10 X 1.25mm. These Nuts are copper flashed and are used on exhaust manifolds - they give excellent corrosion resistance. Serrated Base. There is an item missing from my order.
eBay
12Pcs New Exhaust Nuts Elbow Nuts Practical M8 Copper Flashed Exhaust Manifold Nut 8mm Nuts High
Aliexpress UK
"COPPER FLASHED" EXHAUST MANIFOLD FLANGED WHIZZ NUTS. Skoda N90085001, Skoda 3U0253095E. These Nuts are copper flashed and are used on exhaust manifolds - they give excellent corrosion resistance. VW N90085001, VW 8A0253101G, VW 8A0253101AD, VW 893253209AB, VW 443253101DS.
eBay
M3M4M5M6M8 Brass High-end Hand-screwed Nut Copper Natural Color Hand-screwed Nut Copper Decorative
Aliexpress UK