RS PRO, Pozidriv Pan Steel, Machine Screw DIN 7985Z, M4x12mm

RS Stock No.:
4830990
Brand:
RS PRO

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

SubstanceConcentration
Lead0.1%
Mercury0.1%
PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
Cadmium0.01%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 4830990
Product description RS PRO, Pozidriv Pan Steel, Machine Screw DIN 7985Z, M4x12mm
Manufacturer / Brand RS PRO

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 4830990
Product description RS PRO, Pozidriv Pan Steel, Machine Screw DIN 7985Z, M4x12mm
Manufacturer / Brand RS PRO

The foregoing information relates to product sold on, or after, the date shown below.

RS COMPONENTS

Date Feb 24, 2024

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132


Product Details

RS PRO Black Zinc Passivated Steel Pan Head Pozidriv Machine Screws

From RS PRO a high-quality pan head machine screw with a versatile Pozidriv recess for a superior grip when tightening. This machine screw is made from high-quality steel with a black zinc passivated finish which helps prevent corrosion as well as providing a decorative effect.

Note

To see the range of our cross pan head machine screws please refer to the datasheet and fasteners selection guide. Through these two documents you will also find the various thread sizes and lengths that we have to offer.

What is a Machine Screw?

A machine screw is similar to a bolt but has a socket in its head that allows it to be turned by a screwdriver. The shank on a machine screw is straight rather than tapered with a full thread which is uniform along the entire length. Machine screws do not tap their own thread into materials like wood screws do but are designed to be fastened into pre-tapped holes in the parts they are fastening together. Having a threaded hole creates a stronger joint and results in a higher quality product.

What is a Pan Head Screw?

Pan head machine screws, as the name suggests, have a head that looks like an inverted frying pan. The heads are flat on the top and rounded on the sides. When driven into material pan head machine screws protrude rather than sit flush. Pan head type screws are used when a flat bearing surface is needed but a countersunk screw is not required.

What is a Pozidriv Head Type?

Pozidriv, sometimes shortened to Pozi, stands for “positive drive”. This head type has a cross recess in the centre with four small indentations around it creating 8 points of contact. This design provides improved engagement and contact with the screwdriver and prevents ejection force when tightening or loosening the machine screw.

Features and Benefits

• Pan head design for a flat bearing surface
• Pozidriv head type for improved screwdriver grip
• Corrosion resistant
• Moisture resistant
• Provides a decorative finish
• Meets DIN 7985 Standards

What are Machine Screws Used For?

Machine screws are designed to hold separate components together in a wide range of applications such as machine parts and electronic components. They are screwed through pre-drilled tapped holes in 2 components and can be fastened at the rear with a nut. This zinc plated steel machine screw, due to its anti-corrosive and anti-tarnishing properties, is particularly suitable for exterior use. Applications include:

• Home and office appliances
• Fastening decorative home fittings
• Exterior projects
• DIY and maintenance

Frequently Asked Questions

What Does M2.5, M3, M3.5, M4, M5 Mean?

These measurements are found on metric screws, The 'M' stands for Metric. The number after the 'M' is the nominal outer diameter of the screw in mm.

How Do I Cut a Machine Screw?

Damage to the machine screw threads can prevent parts from fitting together properly, therefore care has to be taken when cutting them and the correct tools used.

Cutting a small machine screw (up to standard size #10 or metric size M5 (5mm)
Use a pair of multipurpose wire strippers or electrician’s pliers that feature M2.5, M3, M3.5, M4, M5 threaded holes. These holes are designed for cutting bolts without damaging the thread. Open the jaws and thread the machine screw into the correct size hole to the distance required. Squeeze the tool handles closed and the screw will be cut at the point where the two halves of the jaws come together. You will have a clean cut without any thread damage.

Cutting a large machine screw (larger than size #10 or metric size M5 (5mm)
This is best done using a hacksaw. Thread the nut on the screw until it reaches the desired point on the head side of the cutting line. Place the screw in a vice or clamp to keep it secure when cutting and cut the screw as straight as you can. When you unthread the nut it will repair and realign any threads that may have been damaged by the saw blade.


Specifications

Attribute Value
Brand RS PRO
Thread Size Metric M4
Material Steel
DIN Standard DIN 7985Z
Head Shape Pan
Thread Pitch 0.7 mm
Length Metric 12 mm
Drive Type Pozidriv
Finish Black Zinc Passivated
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