EMT (Engmattec) 316 Stainless Steel BSP Tapered Male Hex Countersunk Plug Adaptor Fittings

The EMT (Engmattec) 316 Stainless Steel BSP Tapered Male Hex Countersunk Plug Adaptor Fittings are designed for securely sealing hydraulic, pneumatic and fluid transfer ports in demanding environments. Featuring a BSPT tapered male thread with an internal hex countersunk drive, these adaptor fittings provide a compact, low-profile sealing solution ideal for high-pressure hydraulic systems.

Manufactured from premium 316 stainless steel, these BSP tapered hex plugs deliver exceptional corrosion resistance for harsh Australian operating conditions including marine, offshore, washdown, chemical processing and industrial applications. Commonly used as compatible replacement styles for hydraulic fitting series supplied by Parker, Eaton, Gates, Ryco, Brennan, Manuli, Stauff, Hydraulink and Alfagomma, subject to confirming thread compatibility and pressure requirements.

Key Features

• 316 Stainless Steel Construction: Excellent resistance to corrosion, chemicals and saltwater environments.
• BSPT Male Thread: Tapered thread sealing through thread engagement and interference.
• Internal Hex Countersunk Drive: Allows flush installation and secure tightening in confined areas.
• Compact Low-Profile Design: Ideal for manifolds, valve blocks and hydraulic ports.
• High Pressure Capability: Suitable for demanding hydraulic and industrial systems.

Common Applications

• Blanking unused hydraulic ports and manifolds.
• Marine, offshore and coastal hydraulic systems.
• Industrial, mining and agricultural machinery.
• Food processing, washdown and chemical systems.
• Oil, water, fuel and compatible fluid transfer applications.

BSP Thread Types Explained

• BSPT (British Standard Pipe Tapered): Tapered thread sealing through thread engagement and interference.
• BSPP (British Standard Parallel Pipe): Parallel thread commonly used with bonded seals or O-rings.

BSP Dash Size Table

Thread Identification Guide

Not sure what thread you have? Download our free hydraulic thread identification chart here:
Hydraulic Thread Identification Chart (PDF)

Important Compatibility Notes

BSPT threads are not interchangeable with NPT, JIC, ORFS or Metric threads. Always confirm thread size, thread type, pressure rating and application requirements before installation. Incorrect thread selection may result in leakage, equipment damage or hydraulic system failure.

Manufacturer names such as Parker, Eaton, Gates, Ryco, Brennan, Manuli, Stauff, Hydraulink and Alfagomma are used for reference only to assist with identifying commonly used fitting styles. These products are not represented as genuine parts unless specifically stated. Customers should verify suitability in accordance with Australian Consumer Law.