There, of course, may be a wide selection of fasteners available for multiple applications, and it’s vital that you simply make sure that you’ve got the proper fastener for your application. steps when selecting the right size for your application:Determine your load case after applying significant FOS (Factor of Safety).
Calculate necessary clamping force for the joint.
Choose the smallest bolt diameter which will support the clamp load. This may ensure a decent fit.
Select an efficient bolt securing method.
Decide on the foremost appropriate tightening method.
These can include screws, nails, nuts and bolts, also the maximum amount more.
Screws are used for differing types of applications. Examples of this might be that some screws could be more suited to heavy duty projects, or outdoor projects, as they’re going to be manufactured to endure certain elements.
The variation of heads for the screws are significant and include pan heads, oval heads, flat heads and truss heads. Pan heads are one amongst the most prevalent sort of heads that are found within screws, with rounded and short vertical sides that provide a coffee profile when driven into a surface. Flat heads are countersunk and sit flush within the surface during which it’s drilled into. Truss heads host large heads with a flat underside and a rounded top and supply a coffee profile that sits just above the road of the surface. Oval heads combine pan and flat head types, with the top being slightly rounded for a more decorative finish.
Types of screws include socket screws, which host an indoor hex socket, or Allen drive. There also are self-tapping screws, which may tap their own hole into a cloth that it’s being driven into. They are available during a wide selection of tip and thread patterns and are available with a variety of heads. they’re often fully threaded.
Self-drilling screws also are an option, which eradicates the necessity for the pre-drilled hole which allows drilling and fastening to be wiped out in one swift motion.
Bolts & Nuts
Bolts are a well-liked choice for when nails can’t be used and screws won’t provide a durable enough hold.
There are hex head bolts, which have a hexagonal head with threaded bodies that are used with a nut or a tapped hole. Other sorts of bolts include carriage bolts, which have a smooth and rounded head that features a small square section underneath, and lag bolts which have a thread and tip (pointed) that are designed to be used within wood.
Other popular bolts include eye bolts, which have a circular ring on the top end which is employed for attaching a rope or a sequence and subsequently utilized in weight distribution during lifting, J-Bolts, which are used for tie-downs or as an open Eye Bolt – and as their name suggests they’re shaped sort of a J. Very similar to a J-Bolt, there’s a U-Bolt, which is formed sort of a U for attaching to piping or other rounded surfaces, but is additionally available with a square bend.
Perhaps the commonly used or required bolt may be a Sex Bolt, otherwise mentioned as a barrel nut or a Chicago bolt. They need a female thread and are used for through bolting applications where a head is desired on both ends of the joined fastener.
There is also the likelihood of using elevator bolts – with an outsized , flat head, which is usually utilized in conveyor systems, and hanger bolts, which have a wooden thread on one end and machine thread on the opposite .
Nuts are small objects that are more often than not fastened to a bolt, and therefore the two fasteners are generally used together – providing great security and high load bearing.
When the bolts run through the nut, this creates a robust bond that’s ready to withstand an enormous amount of stress. Sizes can vary with nuts, and therefore the size of nut required can change counting on the appliance .
When tightening and removing these nuts, a tool is going to be required.
There are a variety of sorts of nuts available, including Hex Nuts and Heavy Hex Nuts. Hex nuts are six-sided and sometimes mentioned as a Finished nut , and as you’d imagine an important nut is literally just the quality nut but with a heavier pattern. There also are Jam Nuts, which are Hex Nuts with reduced height.
Nylon Insert Locks are popular choices. they’re nuts with nylon inserts to stop backing off, and that they are often mentioned as a Nylock Nut. Other sorts of Nylock Nuts include a Nylon Insert Jam Lock, which is the same nut but with reduced height.
Other popular nuts include Flange Nuts, which host a built-in washer-like flange, Square Nuts, which host four sides and Coupling Nuts – which are long nuts wont to connect pieces of threaded rod or other male fasteners.
More specialized nuts also can be used across applications, including Cap Nuts which are nuts with a domed top over the top of the fastener, and Acorn Nuts which are Cap Nuts with a high crown and sometimes used for aesthetic reasons. There’s also Wing Nuts, which are designed for hand tightening thanks to the quick to grip ‘wings’ on the nuts.
In high-temperature applications, Prevailing Torque Locks are one among the higher options, achieving their torque by altering the form of the nut, most ordinarily by distorting the threads of the nut.
There also are Kep Nuts, Slotted Nuts and chateau Nuts, which are all wont to prevent loosening, with the former using an external tooth lockring , and therefore the latter two employing a cotter on drilled shank fasteners.
fas10 (Fasten) provides coated fasteners (ptfe, xylan, dacromet), alloy fasteners, exotic fasteners, brass fasteners, aluminium fasteners, stainless steel fasteners. At fas10 (Fasten) Mumbai, the leading manufacturers in high grade fasteners and stockists, we will make sure you have the right fasteners.
fas10 (Fasten) supplies a good range of hard-to-source exotic alloy and coated fasteners for specific grade applications. As you browse the ranges, you’ll see the extent of the selection available, therefore, if you’re unsure of which fastener is going to be best suited for your application, please get in touch – our sales team is always available to help together with your queries.
There are many different types of fasteners, each with their own purpose. Fasteners can broadly be categorised as either Permanent or Non-Permanent. Affixed Fasteners, such as rivets and nails, are single-use fasteners that are meant to join two or more objects together, either permanently or non-permanently. Non-permanent fasteners can be threaded (bolts, screws, etc.) or