Definition -A Custom Machined Sleeve is a cylindrical sleeve manufactured to specific dimensions, tolerances, and materials based on application requirements. Its purpose is to provide precise fit, protection, spacing, or load support where standard sleeves are not suitable. Custom machined sleeves are commonly used in pumps, motors, gearboxes, couplings, and specialized industrial machinery.

Sunmach is a trusted global supplier of Custom Machined Sleeves, produced from premium-grade Stainless Steel and Nickel Alloys. These sleeves are manufactured as per customer engineering drawings and maintained within stringent tolerance standards. They are developed to perform reliably in mission-critical industrial applications.

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 Custom Machined Sleeve.

We make these Custom Machined Sleeve 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.