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What is a tinnerman nut?

7 min read

Asked by: Beth Phillips

A speed nut, aka sheet metal nut or Tinnerman nut, is a type of locknut with two sheet metal prongs that act as one thread. They are made from spring steel.

What is the purpose of Tinnerman nuts?

Tinnerman nuts/washers are used by some automarkers to keep the brake rotor on a vehicle as it goes down the assembly line. It is the brake system equivalent to a belly button. Tinnerman nuts should never replaced after the first set of rotors are replaced.

How do you install a Tinnerman nut?


Attachment. Is quick and easy a stud on one panel is inserted into a hole of the mating panel. Once positioned the fastener is placed over the stud. And pushed on with one simple motion.

What type of screws are used with Tinnerman nuts?

FLAT TYPE (NAS 446)



Provide maximum holding power at minimum cost per fastener. Turned-up ends prevent scoring of surfaces. Use with type B tapping screws.

What is a J clip nut?

A J-nut is a sprung clip that snaps onto a sheet to provide a nut. J-nuts are a type of clip-on nut, similar to U-clips or U-nuts. Unlike U-nuts, however, J-nuts have one leg that’s shorter than the other. Other types of clip-on nuts include cage nuts and S-nuts.

Who is the tinnerman?

Tinnerman invented the speed nut to resolve issues with stove shipping. George Tinnerman II, grandson of the founder, commercialized Speed Nuts in markets beyond stoves. So successful in fact that the stove business shut down entirely. He held over 400 fastener patents.

How do you use a speed nut?

Hold Flat Type Speed Nut Fastener in desired position with prongs pointing outward, toward fingers. Start screw through Speed Nut impression. Press Speed Nut firmly against panel and drive screw. Finger pressure is sufficient to prevent Flat Type Speed Nut Fastener turning as screw is driven.

Are tinnerman nuts threaded?

Like all nuts, Tinnerman nuts are designed to secure two or more parts together. They feature internal threading that supports the use of a bolt or similar fastener with external threading. Tinnerman washers, on the other hand, don’t have any threading. They simply feature a hole in the center.

What are spire clips?

Often used in conjunction with self tapping screws, spire clips are U shaped clips that are commonly used in automotive applications for fastening trims and upholstery.

What is a flat speed nut?

Speed Nuts Flat Type



Speed Nuts have an arched base and prongs and a single-thread that won’t clog or freeze to the screw thread. The combined forces of the inward thread lock and the arched spring lock prevent vibration loosening and eliminate the need for secondary fasteners.

What does AJ nut look like?

J-nut. A J-nut is a nut that clips to the edge of the sheet metal. It is named after the way it is shaped; the thread is on the long side of the “J”. The thread may either be of a speed nut form or have an integrated hex or square nut.

Which nut is made with a deformed top thread?

distorted thread locknut

Which nut is made with a deformed top thread? A distorted thread locknut is a nut that uses deformed threading to keep nuts from loosening from vibration.

How do you use a speed clip screw?

Operation. The installer positions the mating panel to the fastener by aligning the holes. Once aligned the screw is driven through the hole of the mating panel.

How do you install a speed nut clip?

Through the fender and onto the clip. And do that as a one-man operation. So always remember if you are working on an old car such as our truck.

Can speed nuts be reused?

Speed Nuts. A Speed Nut is a reusable, one-piece, self-locking fastener made of thin, heat-treated spring steel.

What is a clip screw?

U-clips are designed to clip onto panels or sheet metal parts. From left to right: A simple U-clip, a U-clip designed to accept a self-tapping screw, and a U-nut. U-clips are an easy-to-assemble mechanical fastener. They are normally formed from a single strip of sprung steel, bent into a ‘U’ shape to form two legs.

What does AU clip look like?

Once you apply her around the crown of your head that's why it's called au because it's gonna do au around the crown of your head.

What are P clips?

P Clips are a single piece band for the permanent or semi-permanent fixing of cables, hoses and pipes. Typically used where there is a possibility of chafing and damage to the components in cars, electrical equipment or domestic appliances. Also used for internal support where cable grommets are used.

What is a cable clip?

A cable clip is a device that manages wires and cables and secures them to a fixed point on a surface, like a wall, ceiling or floor. A wide range of cable clips is available to control cables of all sizes and shapes, in almost any number, in both home and industrial applications.

What are the 2 types of screws?

What Are the Different Types of Screw?

  • Wood Screws. Wood screws are perhaps the most commonly recognised type of screw. …
  • Machine Screws. Blunt ended screws with threads, typically made from brass or steel. …
  • Thread Cutting Machine Screws. …
  • Self Drilling Screws. …
  • Hex Bolts. …
  • Carriage Bolts. …
  • Socket Screws. …
  • Set Screws.

What are examples of screws?

Some examples of the uses of a screw are in a jar lid, a drill, a bolt, a light bulb, faucets, bottle caps and ball point pens. Circular stairways are also a form of a screw.

How do you use a metal clipping nut?

This is done by aligning the hole of the mating panel to the center of the fastener. And then driving the screw. Once installed the fastener is hidden but the head of the screw is visible.

What are the parts of a screw called?

The three basic parts of a screw are the head, threaded shank and point. There are different types of each, so it’s important to know what works best for your particular job. Read on to learn how to make the right choice for your work. There are two basic types of screws: counter sinking and non-counter sinking.

What is a bolt without a head called?

Socket Set “Grub” Screws. Set screws are most often headless (aka blind), meaning that the screw is fully threaded and has no head.

What are the twisty things on screws called?

The thread: Amazingly, the thread has many components and varies among screws. There’s the thread angle which is how steeply it angles down.

What do you call the hole a bolt screws into?

That is simply called a threaded insert.

What is the groove in a screw called?

The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside. The screw passes through a hole in another object or medium, with threads on the inside of the hole that mesh with the screw’s threads.

What is a headed bolt called?

Hex bolts, also called hexagon head bolts or hexagonal head bolts, are a very common form of bolt that is available in standard dimensional inch and metric sizes. As the name implies, these bolts feature a hexagonal head or a hex head, that is suitable for tightening with a wrench or socket.

What are the three types of bolts?

Threaded Fasteners



There are three main types of threaded fastener; Bolts, Screws and Studs. Bolts have a head on one end (this is usually a hex head) and are threaded on the other. They are generally used in conjunction with a nut (and sometimes a washer) to hold them in place.

What are different types of bolt heads?

The most common type of bolt head types includes square, hex, slotted hex washer and socket cap. The earliest bolt heads in use were the square heads. Square heads consist of a square indentation on the head followed by a shaft that withstands rotation when a torque is applied to it.