Slotted screw DIN 84 M2x20 (10pcs)

The screw that is essential in any serious slot or modelling workshop

When working with precision assemblies, every element counts. The DIN 84 slotted screw M2x20 is one of those parts that seems minor until you find yourself missing one. With an M2 metric and a length of 20 mm, it conforms to the DIN 84 standard for slotted cylindrical heads, a widely used standard in slot car preparation, modelling chassis, and small-format component assemblies.

This pack includes 10 units, providing sufficient stock for several assemblies or to keep the workshop well supplied without constantly relying on the supplier.

Features and function

• DIN 84 standard: cylindrical head with straight slot, low-profile and compact, ideal for tight spaces.
• M2 metric: standard thread compatible with nuts and threaded parts commonly used in slot and modelling.
• Length 20 mm: sufficient to pass through motor mounts, supports, plates, and other components of certain thickness without compromising the assembly.
• Pack of 10 units: practical quantity for workshop or preparation of multiple vehicles.

Common applications in slot and modelling

This type of screw frequently appears in the preparation and tuning of slot cars: securing motor mounts, holding guides, assembling axles and supports. It is also commonly used in static models, dioramas, and any modelling work where a small-diameter threaded fastening element is needed.

The slotted head allows tightening with a flat screwdriver, a tool present in any workshop, although it is also compatible with some types of watchmaker screwdrivers when access is tight.

Assembly and usage recommendations

To get the most out of these screws, consider the following:

• Always use a screwdriver of the appropriate width for the slot: a screwdriver that is too narrow or wide can damage the head and hinder future interventions.
• In assemblies on plastic or resin, do not apply excessive torque to avoid deforming the part or straining the thread.
• If the screw will be subjected to vibrations (as occurs with motor mounts in a competitive slot car), consider using a low-strength thread locker to prevent unintentional loosening.
• Store any leftover units in a labelled compartment: M2 and M2.5 metrics can easily be confused at a glance.

Frequently asked questions

What does DIN 84 mean?

DIN 84 is a German standard that defines screws with a cylindrical head and straight slot. It establishes standard dimensions for head, thread length, and pitch, ensuring interchangeability between manufacturers that comply with the same standard.

Is M2 the correct metric for most slot assemblies?

The M2 metric is very common in slot, especially for mounts, supports, and chassis parts. Some manufacturers also use M2.5 or M3 for more demanding structural elements. Always check the specifications from your chassis or mount manufacturer before replacing any screw.

Can I use these screws in static models or dioramas?

Yes. The M2 diameter and 20 mm length make them useful for static modelling work, diorama assembly, and any application where a small-format screw with a discreet head is needed.

How many units are included in the pack?

The pack contains 10 DIN 84 slotted screws M2x20.

What screwdriver do I need for these screws?

Being slotted, they are used with a flat screwdriver. It is important to choose one whose tip fits well into the width of the M2 head slot to avoid damage.

The DIN 84 M2x20 slotted screw pack (10 units, ref. CXM348) is an essential fastener for slot car preparation, static model kits, and diorama assembly. Following the DIN 84 standard with a cylindrical slotted head, M2 thread and 20 mm length, these screws are widely used for motor pod mounting, guide brackets, and chassis components in 1:32 and 1:24 scale slot cars. A reliable, precision-standard fastener for hobbyists and competitive slot racers alike.