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Metric Plumbing Adapters

We have expanded our selection of metric adapter fittings and metric banjo bolts! More thread sizes, thread pitches, and metric to AN size combinations mean you're sure to find what you need.

Metric to 3AN and 4AN Steel Brake Adapter Fittings
Metric to 3AN and 4AN Steel Brake Adapter Fittings

Steel Adapters for High-Pressure Systems

Metric to 3AN and 4AN Aluminum Adapter Fittings
Metric to 3AN and 4AN Aluminum Adapter Fittings

Aluminum Adapters for Moderate-Pressure Systems

Metric to 6AN Plumbing Adapters
Metric to 6AN Plumbing Adapters
Metric to 8AN Plumbing Adapters
Metric to 8AN Plumbing Adapters
Metric to 10AN Plumbing Adapters
Metric to 10AN Plumbing Adapters
Metric to 12AN Plumbing Adapters
Metric to 12AN Plumbing Adapters
10mm Metric to AN Plumbing Adapters & Banjo Bolts
10mm Metric to AN Plumbing Adapters & Banjo Bolts
12mm Metric to AN Plumbing Adapters & Banjo Bolts
12mm Metric to AN Plumbing Adapters & Banjo Bolts
14mm Metric to AN Plumbing Adapters & Banjo Bolts
14mm Metric to AN Plumbing Adapters & Banjo Bolts
16mm Metric to AN Plumbing Adapters & Banjo Bolts
16mm Metric to AN Plumbing Adapters & Banjo Bolts
18mm Metric to AN Plumbing Adapters & Banjo Bolts
18mm Metric to AN Plumbing Adapters & Banjo Bolts
20mm Metric to AN Plumbing Adapters
20mm Metric to AN Plumbing Adapters
22mm Metric to AN Plumbing Adapters
22mm Metric to AN Plumbing Adapters
24mm Metric to AN Plumbing Adapters
24mm Metric to AN Plumbing Adapters
26mm Metric to AN Plumbing Adapters
26mm Metric to AN Plumbing Adapters
30mm Metric to AN Plumbing Adapters
30mm Metric to AN Plumbing Adapters

Related Product Categories

Plumbing Adapter Fittings

Recent Top Selling Products for this category

Male 10 x 1.0mm Metric Convex Seat to 3AN, Steel
Male 10 x 1.0mm Metric Convex Seat to 3AN, Steel

This metric to AN brake adapter has 10x1.0mm male threads with a convex seat on one end and a 3AN male (3/8-24) fitting on the other.

30mm Female Porsche to Male AN Adapter Fitting
30mm Female Porsche to Male AN Adapter Fitting

It is easy to connect an auxiliary oil cooler to a Porsche 911 engine with these female 30mm aluminum adapters which convert the Porsche fittings to male 12AN or 16AN.

Male 10 x 1.0mm Metric Concave Seat to 6AN Male, Aluminum
Male 10 x 1.0mm Metric Concave Seat to 6AN Male, Aluminum

This aluminum adapter has 10x1.0mm male metric threads with a concave seat on one end and a 6AN male fitting (9/16-18, 37 degree flare) on the other end.