Definition -A Lock Nut is a threaded nut designed to resist loosening due to vibration or torque during operation. Its purpose is to securely lock components in position on a shaft or bolt and maintain proper alignment. Lock nuts are commonly used in machinery, automotive assemblies, bearings, and industrial equipment.

Sunmach delivers tailor-made Lock Nuts manufactured from superior-quality Nickel Alloys and Stainless Steel. Designed and produced according to customer specifications, these nuts conform to strict dimensional tolerances. They are engineered to meet the needs of highly 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 Steel Lock Nut.

We make these Lock Nut 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.