Definition -A Retaining Bush is a bushing used to locate and hold a component securely in position within a housing or on a shaft. Its purpose is to prevent axial or radial movement while maintaining proper alignment. Retaining bushes are commonly used in pumps, gearboxes, bearings, and industrial machinery assemblies.

Sunmach is an elite global producer and supplier of high-accuracy retaining bushes, meticulously forged from premium Nickel Alloys and Stainless Steel. We manufacture every unit in strict accordance with bespoke client blueprints, ensuring they adhere to the most rigorous dimensional standards. These customized components are engineered for high-stakes industrial operations.

We are an ISO 9001:2015 certified company, demonstrating our commitment to rigorous quality standards and consistent product excellence to deliver the best of the Nickel Alloys & Stainless Retaining Bush.

We make these Retaining Bush from a range of high-performance & exotic materials such as : Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Inconel® 718, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Duplex S31803, Duplex S32205, Super Duplex S32750 to various Stainless Steel grades of SS 304L, SS 316L SS 310, SS 310H, SS 347H, etc followed by Special Stainless Steel Grades such as 904L Stainless Steel, UNS N08904, DIN EN1.4539 Nitronic® 50, Nitronic® 60, UNS S21800, DIN EN, 254 SMO, UNS S31254, DIN EN 1.454, Stainless Steel 410 & Stainless Steel 420 etc.

Sunmach’s extensive manufacturing capabilities and In-Stock Genuine & Authentic Raw Material availability allows us to support demanding industrial requirements with durable, corrosion-resistant, heat resistant & reliable Shafts made from Genuine Nickel Alloys and Stainless Steel Material, delivered dot in time to any corner of the world, supported by all required test certificates and with 100% traceability.