STL manufactures high tensile fasteners for the automotive industry catering to passenger cars, two wheelers, commercial vehicles, agri equipment and construction equipment manufacturers.
We address the demands of a dynamic market environment in accordance with quality standards and environmental regulations. Responding to the needs of prominent OEM and Tier 1 players worldwide, we offer a variety of surface finishes such as Zinc Phosphating, Zinc Plating and Dip Spin Coating on fasteners. We use leading brands for coating finishes on fasteners, such as Geomat™, Magni™ and DeltaProtekt™ of which Geomet™ and Magni™ are done in-house.
We classify our fasteners into four categories and these can be manufactured to suit customer requirements.
M6 to M22 and equivalent inch series
General Specifications for Fasteners
Diameter Range – M5 to M28
Length range – 10mm to 300mm
Heat Treatment Grades – 7T, 8.8, 9T, 10.9, 11T, 12.9 and 14.9
Surface Finishes – Zinc Plating with Trivalent Chrome, Zinc Plating with Hexavalent Chrome, Zinc Phosphating, Zinc Flake Coating (Geomet and Magni)