Your question: What does a flange bolt mean?

As its name suggests, a flange bolt is a fastener that features a skirt extending outwards from the head in a 360 degrees angle. … Flange bolts are capable of providing the same bonding power as a washer, although in some applications they can be employed along with regular bolts paired with washers.

What is a flange bolt used for?

Hex flange bolts are used on vehicle frames, especially truck frames, and anywhere a hex washer head bolt is needed. The large bearing surface distributes clamping force over a large area, allowing them to be used with irregular and oversized holes.

How does flange bolt work?

A flange bolt differs from the common bolt in that it has a wider surface area under the head to provide for an even distribution of clamping pressure. This wider surface acts like a washer, eliminating the need to combine one with this kind of bolt.

Are flange bolts better?

Standard washers are typically softer than the nuts and bolts that they are used with and can often plastically deform under the high compressive stress that they must sustain. … Flange headed nuts and bolts do not suffer from this effect since the washer face is as strong as the bolt/nut itself.

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Do you need washer with flange bolt?

Washers. Addition of steel washers to a fastener system is recommended to improve translation of torque input into bolt preload. Washers provide a smooth bearing surface, reducing friction between nut and flange. This effect is greatest when washers are through-hardened.

What are flange bolts called?

Flange bolts that are non-serrated are sometimes called frame bolts. …

How do you measure a flange bolt?

Measure across the centre from the external edge to the other external edge of the flange. Measure from centre of the bolt hole to centre of the opposite bolt hole. This can also be measured from the external edge of the bolt hole to the internal edge of the opposite bolt hole.

What is a flange head?

The flange head lies flat on the surface of the material into which it is screwed. It is commonly used in the furniture industry to attach hard fibreboard panels to the rear of cabinets and shelves. The flat, washer-like head of the screw saves space and enlarges the contact surface on the fibreboard.

What is a hex head flange bolt?

Hex Flange Bolts are regular hex head bolts with built-in washer and externally threaded body. Flange bolts comes with plain or serrated flange configuration. … Hexagon flange bolts are commonly used in automotive industry, specially in truck and heavy vehicular frames.

What is a bolt with a point called?

Shoulder bolts (also known as stripper bolts) are used to create a pivot point. Elevator Bolts. Elevator bolts are often used in conveyor systems. They have a large, flat head.

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What is a flange washer?

Flange washers are washers with a raised up inside diameter with a flange base. This allows them to be used in applications where a large bearing surface is needed but the material it is resting on is soft and can be damaged easily. Our flange washers are made in the USA.

What is a hex bolt?

Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal!) used to fasten wood to wood, or metal to wood. … Wood screws have many different types of heads, but the most common are round heads and flat heads.

Do flange bolts lock?

Hexagon Flange Lock Bolts are a hexagon bolt with a washer like flange built onto the head that will lock itself in place when tightened. … The teeth of the serrated flange bolt will penetrate into the mating surface when tightened which will help to prevent the fastener from backing itself out.

What is purpose of flat washer?

Flat washers

Also known as plain washers, their purpose is to distribute the fastener’s load while reducing heat and friction during the tightening process. They can also be used as spacers, as is common in industrial and domestic applications. Flat washers are also called on to provide electrical insulation.