Is the Carbon Steel UM Nut for S and SF Spigot compatible with both metric and BSP thread standards and DIN 3870 fittings?

Yes. The Carbon Steel UM Nut for S and SF Spigot is compatible with both metric and BSP thread standards and is designed in accordance with DIN 3870. Made from high‑quality carbon steel with a durable galvanized finish, it provides precise threading for a secure, leak‑free fit and reliable performance in S and SF type fittings used in hydraulic and pneumatic systems.

Does the Carbon Steel UM Nut for S and SF Spigot require specific torque settings for reliable sealing in hydraulic and pneumatic systems?

The Carbon Steel UM Nut for S and SF Spigot does not list specific torque values in the provided description. However, given its design to DIN 3870, precision threading, and use in hydraulic and pneumatic systems, reliable sealing depends on applying appropriate torque—enough to compress the fitting and form a leak‑free joint without overstressing the carbon steel or thread. For safe, repeatable results follow these practical steps: - Use manufacturer’s torque recommendations for the matching S or SF spigot fitting if available. - If no value is provided, apply standard torque charts for carbon steel nuts of the same thread size and class as a starting point, then verify with pressure testing. - Tighten incrementally and uniformly; avoid sudden full‑force turns. - After initial assembly, perform a pressure/leak test and recheck torque after the system reaches operating pressure and temperature. - Replace nuts showing thread damage, galling, or corrosion; use appropriate thread lubricant or anti‑seize only if permitted by the fitting specifications. When critical sealing performance is required, consult the fitting supplier or an engineer for specific torque settings tailored to the exact thread size, coating, and application.

Carbon Steel UM Nut for S and SF Spigot

All products, Low-pressure fittings and adapters/

Additional information

The UM type nut with metric or BSP thread, designed in line with DIN 3870 standards, is a reliable solution for secure connections in S and SF type fittings. Manufactured from high‑quality carbon steel and finished with a durable galvanized coating, it ensures excellent resistance to wear, corrosion, and mechanical stress, even in demanding industrial environments. Its precise threading guarantees a tight, leak‑free fit, supporting optimal performance in hydraulic and pneumatic systems. Engineered for durability and efficiency, this nut is an ideal choice for professionals seeking long‑lasting fastening components that combine strength, safety, and consistent quality.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
EC-105510	Nut UM 5 / M10x1	-	-
EC-105512	Nut UM 6 / M12x1.5	-	-
EC-105514	Nut UM 8 / M14x1.5	-	-
EC-105516	Nut UM 10 / M16x1.5	-	-
EC-105518	Nut UM 12 / M18x1.5	-	-
EC-105522	Nut UM 15 / M22x1.5	-	-
EC-105526	Nut UM 18 / M26x1.5	-	-
EC-105605	Nut UM 5 / BSP 1/8	-	-
EC-105606	Nut UM 6 / BSP 1/4	-	-
EC-105608	Nut UM 8 / BSP 1/4	-	-
EC-105609	Nut UM 8 / BSP 1/4" LH (left)	-	-
EC-105610	Nut UM 10 / BSP 3/8	-	-
EC-105611	Nut UM 10 / BSP 3/8" LH (left)	-	-
EC-105612	Nut UM 12 / BSP 1/2	-	-
EC-105620	Nut UM 20 / BSP 3/4	-	-

The UM type nut with metric or BSP thread, designed in line with DIN 3870 standards, is a reliable solution for secure connections in S and SF type fittings. Manufactured from high‑quality carbon steel and finished with a durable galvanized coating, it ensures excellent resistance to wear, corrosion, and mechanical stress, even in demanding industrial environments. Its precise threading guarantees a tight, leak‑free fit, supporting optimal performance in hydraulic and pneumatic systems. Engineered for durability and efficiency, this nut is an ideal choice for professionals seeking long‑lasting fastening components that combine strength, safety, and consistent quality.