3/16" Metric Fitting Assortment | 9 SKU

3/16″ Metric Brake Line Fitting Assortment (9-Piece) When you’re working on imported or metric-spec brake systems, having the right fittings on hand is essential. The 4LifetimeLines® 3/16″ Metric Brake Line Fitting Assortment delivers nine precision-machined, corrosion-resistant components—tube nuts, unions, and adapters—tailored to the most common metric thread pitches. Each piece is engineered to mate perfectly with properly flared 3/16″ tubing and metric ports, so you get leak-free, DOT-compliant connections without guesswork or mismatched threads. What’s Included M6×1.0 Tube Nut (1) M8×1.0 Tube Nut (1) M10×1.0 Tube Nut (1) M6×1.0 Union (1) M8×1.0 Union (1) M10×1.0 Union (1) M6×1.0 → SAE 3/16″ Adapter (1) M8×1.0 → SAE 3/16″ Adapter (1) M10×1.0 → SAE 3/16″ Adapter (1) All nine fittings come in a compact tray for organized storage and quick selection. Why You Need This Kit Metric brake ports and tubing require exact-match threads to prevent leaks and cross-threading. Instead of sourc