M4 x 6mm Phillips Pan Head Machine Screws (DIN 7985H) - Marine Stainless Steel (A4) Description
The M4 x 6mm Phillips Pan Head Machine Screws (DIN 7985H) - Marine Stainless Steel (A4) has the following features:
- 3.25mm Head Length (H)
- DIN 7985H Manufacturing Standard
- 6mm Length (L)
- Stainless Steel - Marine (A4) Material
- 0.7mm Pitch
- PH2 Drive Size
- Natural Finish
- Metric Metric or Imperial?
- M4 (4mm) Thread Size
- 8mm Head Diameter (D)
- +/-0.2mm Length (L) Tolerance
- +0/-0.36mm Head Diameter (D) Tolerance
- +0/-0.3mm Head Length (H) Tolerance
- Stainless Steel Material Family
Discover more about the Metric Phillips Pan Head Machine Screws range.
Phillips pan head screws are machine-threaded fasteners with a rounded, flat-bearing head and a cross-recessed Phillips drive. Designed to provide even load distribution across their head surface, these screws are widely used in precision engineering, electronics and enclosures where clean aesthetics and reliable torque control are essential.
For example, in assembling electrical panels or fixing brackets to sheet metal, the broad surface of the pan head reduces the risk of damage while the Phillips drive enables fast, accurate installation with reduced cam-out, particularly using power tools.
How Pan Head Phillips Screws Work
Pan head Phillips screws feature a symmetrical, machine-threaded shaft compatible with tapped holes or corresponding nuts. The pan head design sits slightly above the fastening surface, distributing force more evenly than countersunk alternatives. The Phillips drive enhances engagement between driver and screw, offering optimal torque control for applications requiring precision fastening.
Engineers often prefer Phillips pan head screws in mechanical assemblies where consistent clamping force, high repeatability and quick, reliable installation are critical.
Materials Phillips Pan Head Screws Are Made From
Accu's range of Phillips pan head screws is available in a wide selection of engineering-grade materials to suit different performance and project environment requirements:
- Steel: Durable and cost-effective, suitable for general indoor applications.
- Stainless Steel – (A2): Provides excellent corrosion resistance for indoor and moderately exposed environments.
- Stainless Steel - Marine (A4): Ideal for outdoor, coastal, marine or chemical environments due to its enhanced corrosion resistance.
- Plastic – Nylon: Lightweight, non-conductive and corrosion-resistant for electronics or light mechanical use.
- Plastic – PEEK: High-performance plastic with excellent thermal and chemical resistance.
- Plastic – PC: Tough and transparent, offering impact resistance for visible assemblies.
- Plastic – RENY: Glass fibre reinforced Nylon for superior mechanical strength.
- Plastic – PPS: Chemically resistant and stable under high temperatures.
Sizes and Types of Phillips Pan Head Screws Available
Accu’s Phillips pan head machine screws are available in the following configurations:
- Thread Sizes: From M1.2 (1.2 mm) up to M10 (10 mm)
- Lengths: 1.5 mm to 100 mm
- Finishes: Zinc plating provides basic corrosion resistance, making it suitable for general-purpose indoor applications. For black Phillips pan head screws, AccuBlack offers a matte black appearance that reduces surface reflectivity. AccuLock introduces an anti-vibration pre-applied thread lock designed to enhance resistance to loosening over time.
FAQs
Q: Are Phillips pan head screws suitable for outdoor use?
A: Yes. A2 stainless steel is suitable for most outdoor environments, while A4 marine-grade stainless steel offers superior corrosion resistance for harsher conditions. Zinc-plated or coated steel versions provide limited outdoor protection.
Q: What standards do Phillips pan head screws comply with?
A: Most Phillips pan head machine screws conform to ISO 7045 or DIN 7985 specifications, with metric threads manufactured to ISO tolerances, ensuring compatibility in engineering assemblies.
Q: Can these screws be used with power tools?
A: Yes, with caution. The Phillips drive is designed for tool engagement, offering effective torque transfer and reduced stripping when the correct bit is used.
Q: Which material is best for high-temperature or chemical environments?
A: Steel is an ideal material for high-temperature applications, while A4 stainless steel offers excellent corrosion resistance in chemical and harsh outdoor settings.
Q: Are there vibration-resistant versions available?
A: Yes. Screws with the AccuLock finish provide increased resistance to loosening in vibration-prone environments.
Q: Can I reuse Phillips pan head screws?
A: Steel and stainless Phillips pan head screws can generally be reused if undamaged. Plastic variants should be inspected for deformation and are often single-use unless rated for repeat fastening.
