FastenerLab by AdvanceComponents

What Are Cap Style Push-On Fasteners?

Jul 12, 2021 | Fasteners

There are two types of cap style Push-On fasteners that are used in industrial applications – one-piece metal top hats and two-piece plastic caps. Both styles are used to hide unattractive stud ends, and provide an aesthetically pleasing end cap.

Cap style Push-Ons combine the reliability of spring steel with various decorative coatings for applications where the fastener remains visible.

Simple Design

Cap style Push-On fasteners are an attractive fastening solution to secure and cap exposed shaft, stud or axle ends on light wheeled goods, toys, garden tools, appliances, automotive emblems, etc. The simple design and strong holding power eliminates threading and drilling operations, cotter pins and washers. In addition, their single unit design allows the fasteners possible assembly with minimum parts handling and stock inventory.

Holding Power

The carbon spring steel contacts on both styles of Push-Ons grip tightly on the shaft circumference, thus assuring maximum holding power and resistance to vibration loosening. The wide diameter of the cap acts as a spanner washer distributing the holding power of the Push-On over a wide area around the stud.

Single Piece Caps

Single piece Metal Top Hats or high hats are polished spring steel Push-Ons that have three-point contacts that bite into position.

Single Piece Metal Top Hat Push-Ons

Two-Piece Caps

Plastic Cap Push-Ons are made of a high density polyethylene cap and a high carbon spring steel insert that has six-point contacts for a secure grip. The Push-On caps are available in red, white and black, and custom colors on request.

Plastic Cap Push-On Fasteners

Both steel and plastic cap fasteners enhance the appeal of any product while also providing a dependable vibration resistant assembly.

How to Apply:

Cap type Push-Ons are positioned squarely over the stud and zipped down into locked position by hand or with the light rap of a mallet. The contact points on spring steel fastener bite hard on the shaft circumference holding it under vibration resistant live spring tension.


  • Lawn carts
  • Garbage cans
  • Toys
  • Coolers
  • Wagons
  • Nameplates
  • License plates
  • Marine
  • Automotive
  • Appliances

Decorative Solutions

ARaymond Tinnerman manufactures a large variety of Push-On fasteners including both one-piece top hats and two-piece plastic cap fasteners. As a master stocking distributor, Advance Components stocks high volumes of Push-On cap style fasteners. They are available in a variety of sizes and colors, custom bagging, and same day shipping. Since 1972, Advance has been distributing Tinnerman Palnut fasteners to distributors and manufacturers. Contact us for applications support, quotes and samples. Buy online 24/7.



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