RS PRO Slot Pan Head Stainless Steel Machine Screw, M3 Thread, 16 mm Length, A2 Grade, Slot Drive, DIN 85, 189-333

The RS PRO 189-333 Slot Pan Head Stainless Steel Machine Screw offers an industrial-quality solution for fastening needs across a broad spectrum of industries. This screw features a pan head with a slotted drive, accommodating standard flat-blade screwdrivers for convenient installation and removal. Designed with a metric M3 thread and a length of 16 mm, it is fully threaded for reliable and lasting assembly in tapped holes or with matching nuts.

Constructed from A2 grade stainless steel, this screw delivers excellent resistance to corrosion, making it ideal for environments exposed to moisture, chemicals, or corrosive agents. The material also provides enhanced strength and abrasion resistance, supporting use in critical applications where long service life and reliability are necessary. The plain finish complements the robust stainless steel construction, supplying a sleek and uniform appearance while adding an extra layer of corrosion protection.

The RS PRO Slot Pan Head Machine Screw complies with DIN 85 standards, ensuring precise and consistent dimensions for easy integration into both new and existing designs. Its slotted head is compatible with widely available tools, allowing for straightforward assembly even in challenging or compact environments. As an M3 screw, it is commonly used in instrumentation, enclosure assembly, equipment panels, and light to medium mechanical constructions.

This screw is perfectly suited to settings where hygiene, durability, and low maintenance are priorities, including food processing, chemical plants, swimming pools, marine deck fittings, and water treatment facilities. The A2 (18/8) stainless steel composition ensures that the screw maintains its performance and integrity in outdoor or wet conditions, while also benefiting from being easy to clean and fully recyclable for environmentally conscious operations.

Its 16 mm length enables compatibility with a wide array of panel thicknesses and component assemblies. The fully threaded shank enhances holding strength in both pre-tapped and through-hole applications, and the robust pan head provides a large bearing surface for secure clamping without damaging the assembled components.

Applications for this RS PRO stainless steel machine screw include industrial machinery, laboratory equipment, HVAC installations, electrical enclosures, marine hardware, and general construction tasks where strength, corrosion resistance, and standard compliance are non-negotiable. This reliable fastener meets the stringent demands of professionals seeking quality and performance in every assembly.

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