Spring washers, which have axial inflexibility and are used to help fastening or loosening due to climate. Locking washers, which help fastening or loosening by precluding coiling gyration of the fastening device; locking washers are generally also spring washers. In proposition split washers( aka lock washers or spiral spring washers) are supposed to work b...
Roll Fast is a leading manufacturer, exporter, and supplier of washer head bolts in India. The forged washer side provides a larger bearing surface so that when the bolt is tightened, the wood underneath the head is not damaged. These bolts are used when the head of the bolt sits flush with a wooden member. Washer head bolts have an added semi-cone point and...
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Roll Fast manufactures and supplies custom bolts to various industries. custom bolts represent a significant advancement in fastening technology, offering tailored solutions that enhance the functionality and longevity of products across a broad spectrum of industries. We have a wide range of customized products. We also provide custom bolts for the telecomm...
Roll-Fast is a manufacturer of Stud bolts for Ship Engines & Automotives from M10 to M100 or 1/2” to 4” diameters. The all-thread stud bolt is a threaded rod with 2 heavy hex nuts, while the tap end and double end are nut continuously threaded, but have a body in the middle with one nut. The Stud Bolts provide the ability to obtain much more accurate tor...
Roll-Fast is a manufacturer of Stud bolts for Ship Engines & Automotives from M10 to M100 or 1/2” to 4” diameters. The all-thread stud bolt is a threaded rod with 2 heavy hex nuts, while the tap end and double end are nut continuously threaded, but have a body in the middle with one nut. The Stud Bolts provide the ability to obtain much more accurate tor...
Roll Fast is a manufacturer, supplier, and exporter of ASTM A320 L43 stud bolts and hex nuts in India. It includes fasteners perfect for lower temperatures. The specification covers alloy steel bolting materials for pressure vessels, valves, flanges, and fittings for low-temperature service. Each alloy shall conform to the prescribed chemical composition req...
Stainless steel bolts are known for their durability and reliability, making them the choice for many applications. Made from steel containing chromium, these bolts have excellent resistance to corrosion and oxidation. These important properties ensure that stainless steel bolts remain robust and functional even in harsh environments such as marine environme...
Roll Fast is a manufacturer, supplier, and exporter of ASTM A 354 BD and BC bolts and nuts in India. This ASTM A354 specification includes stainless and alloy steel fasteners, perfect for use in low temperatures. The specification covers quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners up to 4” diameter for application ...
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Roll Fast is a manufacturer, supplier, and exporter of ASTM A 449 bolts and nuts in India. These are intended for general engineering use. It is a medium-strength bolt manufactured from heat-treated medium carbon or alloy steel. Its strength is in the middle of low and high and is manufactured from carbon steel or alloy steel raw material which can suffice i...
