Brass Pipe Reducer Connector, 1/2-Inch to 3/8-Inch Male Thread

Brief Overview

This is a straightforward brass threaded reducer designed to step down from 1/2-inch to 3/8-inch male connections. The hollow bore allows full flow-through, and the hexagonal central section provides mechanical grip during installation and removal. Ideal for pneumatic air lines, hydraulic systems, and fluid transfer applications where you need to transition between two standard thread sizes. Works effectively alongside quick-connect couplings with male threads and similar threaded adapters to build flexible system configurations.

Key Features

• Solid Brass Construction: Yellow-gold brass material provides corrosion resistance and durability in air, water, and light hydraulic environments.
• Male Threads Both Ends: 1/2-inch male thread (larger end) and 3/8-inch male thread (smaller end) for direct connection into female-threaded ports or sockets.
• Hexagonal Wrench Flats: Central hex section (wrench flat) allows secure tightening and removal without damaging thread profiles.
• Full Through Bore: Hollow interior with smooth stepped bore minimizes turbulence and pressure loss during operation.
• Chamfered Thread Entries: Leads visible on both threaded ends reduce installation friction and prevent cross-threading.
• Unbranded / OEM Ready: Clean, unmarked finish suitable for white-label distribution and system integration.

Business Advantages for Resellers

• High Margin Potential: Brass fittings command solid wholesale-to-retail spreads; low cost-per-unit manufacture supports profitable bulk orders.
• Essential Inventory Item: Every pneumatic, hydraulic, and plumbing shop stocks multiple reducer sizes. This is a fast-moving, repeatable SKU.
• Complements Larger Systems: Pairs naturally with quick couplers, hoses, and adapters—build bundled kits or upsell alongside hose assemblies.
• Minimal Returns: Brass threaded fittings are non-consumable, durable, and simple to install. Defect rates are negligible with proper QC.
• Bulk Order Friendly: Weight is low, packaging is compact. Ideal for 50-, 100-, or 500-unit orders with attractive tiered pricing.

Technical Specifications

Specification	Value
Larger End Thread	1/2-inch male
Smaller End Thread	3/8-inch male
Material	Solid brass
Finish	Polished brass (natural luster)
Bore Type	Full through-bore with stepped interior
Wrench Flat	Hexagonal central section
Pressure Rating	Suitable for standard pneumatic and low-pressure hydraulic (consult spec sheet for exact rating)
Flow Characteristics	Smooth internal bore, minimal pressure drop
Thread Type	NPT (National Pipe Thread) – standard for industrial fittings
Marking	Unmarked/unbranded

Application Context

Pneumatic Systems: Step down from 1/2-inch supply lines to 3/8-inch tool connections or accessory ports.

Hydraulic Circuits: Transition between manifold ports of different sizes while maintaining seal integrity.

General Fluid Transfer: Water, compressed air, and light oils without risk of material incompatibility.

System Modification: Retrofit existing equipment with mismatched thread sizes without replacing entire line sections.

Why This Matters to Your Customers

Machinists, maintenance technicians, and shop managers need reliable transition fittings to adapt existing equipment without downtime or compromise. This reducer eliminates the need for custom adapters or expensive re-piping. The solid brass and hexagonal grip ensure a professional installation every time—no slipping, no damage to ports.

Reseller Recommendation

Stock this in bulk alongside the 1/2-inch to 1/4-inch variant and quick-connect options. Position as a "system builder essential" in your catalog. Train your sales team to recommend it when customers ask about connecting mismatched thread sizes. Pair with hose barbs and couplers to create complete air-line kits with higher perceived value.

---

Ready to order? Contact our sales team for volume pricing on 50+ unit orders.