Description Stainless Steel Boss Nut M20 x 1.5mm Machined and Made in UK 100% Stainless Steel and machined here in UK. Majority of old NOx sensors are not reusable when building or fabricating a new system, this is a perfect replacement for NOx Sensors that require a quality M20 x 1.5mm Lamba nut. Outside Diameter: 30mm ( drill hole for placing the boss in pipe is approx. 26mm Quantity: 1 Unit
