PG 11(outer thread), M12x1.5(inner thread) Adapter / Nickel plated brass

Reduction flange brass M20x1.5 - M12x1.5..

Reduction flange brass M20x1.5 - M16x1.5

Reduction flange brass M25x1.5 - M16x1.5..

Reduction brass M25 - M20..

Reduction flange brass M32x1.5 - M20x1.5..

Reduction flange brass M32x1.5 - M25x1.5..

Reduction flange brass M40x1.5 - M25x1.5

Reduction flange brass M40x1.5 - M32x1.5..

Reduction fittings nickel plated brass M50 x M32