Profile: Vel Tech. Engineering Works specializes in manufacturing automotive fasteners, industrial automotive fasteners, automotive fastener products, automotive shafts, sleeves and engine pistons. We are an ISO 9001:2008 certified company. Our products are used as spare parts of different machines. Grooved nuts have a screw hole at the center and a head portion whose outer periphery is polygonal. We also fabricate these nuts in different dimensions to cater varied requirements. Our pivot pins are made using mild steel. They are available in varied sizes and shapes. We manufacture pivot pins that are the main source for non-threaded fastener solutions. Pivot pins are commonly used to connect two members together that include a rotatable member having a hole with tapered ends, a cylindrical portion and a conical portion engaged with a corresponding end of the tapered ends of the rotatable member. We offer industrial linears for cars and diesel engines. Our automotive sleeves are widely used in automobile industry for delivering low in general load to the vehicle.