Shop High Pressure Adapters, Male BSP x Male Type M

The BSP Male to Type M Male OneXtreme Adapters are high-pressure conversion fittings engineered to connect BSPP (British Standard Parallel Pipe) systems to Type M (Reverse High Pressure) connections in demanding hydraulic and fluid power applications. BSP fittings are commonly used across Europe and feature straight (parallel) threads that require a sealing method such as an O-ring, dowty seal, gasket, or metal-to-metal cone; BSPP connections specifically utilize a precision cone seal and may include an external cone, with pressure ratings up to 30,000 psi (2068 bar). On the opposite end, Type M fittings are designed for use with Type M swivel hose end fittings and seal via a 58-degree cone, offering ultra-high-pressure capability up to 50,000 psi (3447 bar).


Manufactured from cold worked 316 stainless steel for exceptional strength, corrosion resistance, and durability, these OneXtreme adapters are ideal for critical applications such as offshore, chemical processing, and high-pressure test systems. Both BSPP and Type M configurations are available in special materials upon request to meet specific environmental or performance requirements.

NOTE: Proper thread identification and sealing method selection are critical. Mismatched threads or incorrect cone angles can result in leakage or catastrophic failure; always verify pressure ratings, compatibility with mating components, and installation practices before use.

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High Pressure Adapters

Up to 30,000psi (varies by size)

1/4" to 3/8" 

316 Stainless Steel (Customs available upon Request)

Click HERE to view the OneXtreme Catalog

Click HERE to view the entire High Pressure MBSP-MTM Collection

Series 401, Male BSP x Male Type M

Click on the model number in the chart below to view that adapter. 

ALL ADAPTERS SHOWN BELOW ARE 316 STAINLESS, MADE IN USA.

Product SKU Male BSP Side Male Type M Side Pressure Rating Lead Time Price
X4B09TM30 0.25 (1/4") 0.5625 (9/16") 30000 4-6 Weeks $49.91
X4BEXT09TM30 0.25 (1/4") 0.5625 (9/16") 30000 4-6 Weeks $28.57
X6B09TM30 0.375 (3/8") 0.5625 (9/16") 30000 4-6 Weeks $51.66
X8B09TM30 0.5 (1/2") 0.5625 (9/16") 30000 4-6 Weeks $62.14
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Technical Specs



Still need help? Give us a call at 281.941.2310 or email us at sales@onehydraulics.com for technical support.