Threaded screw-in studs for horses

Threaded screw-in studs for horses


threads hold things together everywhere in our everyday life and environment. In this article we would like to report on the use of threads in screw-in studs for horses.

What are horse studs?

Horse studs are used on the horse’s hoof, for example to provide more “grip” in bad weather conditions. There are different variants or systems of horse studs.

  • Screw studs
  • Welded on horse studs
  • Horse studs broken in
  • Exchangeable horse studs
  • Innovative click studs

Due to the thread topic we will take a closer look at the screw studs for horses.

Frequently used synonyms in this context are

  • Horse studs
  • Riding Stollen
  • Threaded horseshoe
  • Screw studs for the horse
  • Threaded screw-in studs for horses

Riding studs or screw studs for horses are screwed into the horseshoe via a predrilled thread. The threaded holes are drilled into both ends of the horseshoe before the horse’s hoof is shod. Usually, two screw studs are used at the thigh end of the shoe, more rarely four.
The screw-in studs are used – similar to those used by the professionals in football – to prevent slipping.

Shape of screw-in studs

The screw-in studs can have different shapes for different surfaces. For example, wide and angular studs are preferably used for soft and muddy soils. In contrast, pointed studs are used for hard surfaces.

There are several different types of studs, such as H-shaped studs, conical studs, lawn studs, mud studs, square studs, etc.

Thread sizes for screw-in studs for horses

The blacksmith mills the desired thread size into the horseshoe before shoeing. It is advisable to show the blacksmith the screw studs so that the correct thread size can be cut into the iron. The most common threads for horse screw studs are

  • M 10 (Metric ISO thread, flank angle 60 degrees, pitch: 1.5 mm)
  • M 12 ( ISO metric thread, flank angle 60 degrees, pitch: 1.75 mm)
  • BSW 3/8″ inch (British Standard Whitworth, flank angle 55 degrees, 16 gears per inch)
  • W 12 (special thread, flank angle 55 degrees)

More information on the most common types of threads can be found in this article:

13 most important threading types

How are screw-in studs used correctly?

Before using the screw-in studs, the threaded holes should always be cleaned with a specially designed brush. Afterwards the thread is cut with a thread cutter (finishing cutter). The re-cutter/finishing cutter is very often called a tap hole cleaner. In this case, however, the term “cleaning” refers to re-cutting.

The following finishing cutters are most frequently used for threaded screw-in studs:

  • W 12 stands for a special thread for hoof studs. Ask the blacksmith you trust.

When retapping, you should make sure that the tap is turned in and out carefully so that the chips can break. Alternatively, there are self-tapping thread studs. These do not require recutting or cleaning. There are various attachments for mounting the threaded studs. These are screwed tight with the help of the appropriate thread wrench.
Threaded plugs – also called blind studs or sealing studs – are often used to seal the cleaned threaded holes until the riding studs are screwed in and to protect them from contamination. These can be easily screwed in and out using a hexagon wrench. Furthermore, the sealing studs can be made of rubber, plastic or metal.
If you want to combine different sizes of threaded studs, you can do this by using thread extensions or thread adapters.

Screw stud material

To prevent rotting processes in the hoof, professional equestrian sports use screw studs made of precious metals, which have an antimicrobial alloy and are also corrosion and weather resistant.


Threaded screw-in studs are available in several systems and variants. The appropriate stud shape depends on the ground, the terrain and the weather. Furthermore, the choice of thread type for screw-in studs depends on your experience and preferences. Let your farrier advise you.

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