M4 M5 Solid Brass Pan Head Phillips Machine Screws — Multiple Lengths

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M4 M5 Solid Brass Pan Head Phillips Machine Screws — Multiple Lengths

Name: M4 M5 Solid Brass Pan Head Phillips Machine Screws — Multiple Lengths
Brand: HomeDIYer
Price: 1.75 USD
Availability: InStock

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Size: M4x5

Quantity（Pcs): 1

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M4 M5 Solid Brass Pan Head Phillips Machine Screws — Non-Magnetic, Corrosion-Resistant, Multiple Lengths

When a standard steel screw won’t do — because you need non-magnetic properties for an electrical assembly, corrosion resistance for a marine fitting, or a warm gold finish for decorative hardware — solid brass pan head Phillips machine screws are the right choice. Electricians, marine builders, woodworkers, furniture makers, and instrument technicians all rely on brass machine screws where steel would corrode, interfere with magnetic fields, or simply look out of place.

Each screw is a solid brass pan head Phillips machine screw in M4 or M5 thread diameter. M4 screws are available in lengths from 5mm (≈3/16") to 45mm (≈1-3/4"); M5 screws are available from 6mm (≈1/4") to 50mm (≈2"). Both sizes use standard metric coarse thread — M4 × 0.7mm and M5 × 0.8mm — and the pan head profile follows DIN 7985 / ISO 7045. Pack quantities of 1, 10, 20, 30, and 50 pieces let you order exactly what you need, from a single replacement screw to a job-site supply.

Typical applications include M4 brass pan head screws for electrical panel assembly and PCB mounting brackets, M5 brass machine screws for marine deck hardware and boat fittings, solid brass screws for decorative cabinet hardware and furniture trim, and general-purpose metric fastening wherever non-magnetic or naturally corrosion-resistant fasteners are specified.

🔩 Standard metric coarse thread per ISO 68-1: M4 × 0.7mm | M5 × 0.8mm. Head profile per DIN 7985 / ISO 7045 (pan head). Drive: Phillips PH2. Material: Solid Brass. Not compatible with UNC/UNF inch threads.

✅ Key Features of These Solid Brass Pan Head Phillips Machine Screws

🟡Solid Brass Construction — Not Plated — Made from solid brass throughout, not zinc-plated steel with a brass-colored coating. This means corrosion resistance and non-magnetic properties extend through the full cross-section of the screw, making these M4 and M5 brass machine screws reliable in electrical, marine, and humid environments where plated steel would eventually corrode or flake.
🔘Pan Head Profile — Wide Bearing Surface, No Countersink Required — The rounded pan head per DIN 7985 / ISO 7045 provides a wide, flat bearing surface without requiring a countersunk hole, making these brass pan head screws ideal for thin panels, electrical enclosures, and decorative hardware where a flush-sitting head is needed without pre-drilling a countersink.
⚡Non-Magnetic and Electrically Conductive — Brass is inherently non-magnetic and electrically conductive, making these solid brass Phillips screws the correct choice for electrical panel assembly, grounding connections, sensitive instrument mounting, and any application where steel fasteners would interfere with magnetic fields or create galvanic compatibility issues with brass or copper components.
📏Wide Length Range — M4: 5–45mm, M5: 6–50mm — With 12 length options for M4 (5mm/≈3/16" to 45mm/≈1-3/4") and 12 for M5 (6mm/≈1/4" to 50mm/≈2"), these brass machine screws cover the full range from short panel-mounting applications to longer through-bolt assemblies, reducing the need to source from multiple suppliers.
🛡️Natural Corrosion Resistance for Marine and Outdoor Use — Solid brass resists rust and oxidation without surface plating, making these M4 M5 brass screws well-suited for marine hardware, outdoor electrical enclosures, garden furniture, and other applications where moisture exposure would corrode plain steel fasteners over time.
📦Flexible Pack Sizes — 1 to 50 Pieces — Order a single brass screw to replace a lost fastener, or stock up with a 50-piece pack for ongoing production or repair work. The 1-piece option is especially useful for verifying fit and thread engagement before committing to a larger quantity of M4 or M5 brass pan head screws.

📐 Technical Specifications — Solid Brass Pan Head Phillips Machine Screws

Thread Diameters	M4, M5
Thread Standard	ISO metric coarse thread per ISO 68-1
Thread Pitches	M4: 0.7mm \| M5: 0.8mm
Head Style	Pan head (rounded top, flat bearing surface)
Head Standard	DIN 7985 / ISO 7045
Drive Type	Phillips — PH2 (Phillips #2)
M4 Length Range (under head to tip)	5mm (≈3/16") – 45mm (≈1-3/4") — 12 lengths available
M5 Length Range (under head to tip)	6mm (≈1/4") – 50mm (≈2") — 12 lengths available
Material	Solid Brass (not plated)
Finish	Natural brass (gold-tone)
Magnetic Properties	Non-magnetic
Pack Quantities	1, 10, 20, 30, 50 pcs
Country of Origin	Contact us to confirm

⚠️ Length Note: For pan head screws, the listed length is measured from under the head to the tip — shank length only, not including the head height. This differs from countersunk screws where the full length including the head is measured.

❓ Frequently Asked Questions

How do I choose the right length for a brass pan head machine screw?

For pan head screws, the listed length is measured from under the head to the tip — shank length only. Choose a length that passes through the material and engages the nut or threaded hole with at least 1.5× the thread diameter of engagement.

Quick inch reference:

5mm ≈ 3/16" | 6mm ≈ 1/4" | 8mm ≈ 5/16" | 10mm ≈ 3/8" | 12mm ≈ 15/32"
16mm ≈ 5/8" | 20mm ≈ 25/32" | 25mm ≈ 1" | 30mm ≈ 1-3/16"
35mm ≈ 1-3/8" | 40mm ≈ 1-9/16" | 45mm ≈ 1-3/4" | 50mm ≈ 2"

How strong are solid brass machine screws compared to steel?

Solid brass fasteners are generally softer than steel and are typically suited for light-to-medium clamping loads. They are generally not recommended for high-torque or structural applications where steel or stainless steel would be more appropriate. Brass machine screws are well-suited for electrical assemblies, decorative hardware, woodworking, and marine fittings where corrosion resistance and non-magnetic properties matter more than tensile strength. Use a properly fitting PH2 driver and avoid over-torquing to prevent cam-out or head damage.

Are solid brass screws suitable for outdoor or marine use?

Yes. Solid brass provides good corrosion resistance in most outdoor environments, including exposure to moisture, humidity, and mild salt air. It is generally more corrosion-resistant than plain steel and performs well in marine and coastal environments where non-ferrous fasteners are preferred. For prolonged immersion in seawater, naval brass or silicon bronze may be more appropriate — contact us to confirm suitability for your specific application.

Are these screws compatible with standard metric nuts and threaded inserts?

Yes. These are standard metric coarse thread machine screws per ISO 68-1:

M4: 0.7mm pitch — compatible with M4 nuts, threaded inserts, and tapped holes
M5: 0.8mm pitch — compatible with M5 nuts, threaded inserts, and tapped holes

They are not compatible with UNC/UNF inch-standard threads. Always verify thread pitch before mixing fastener sources.

Why choose brass screws over stainless steel or zinc-plated screws?

Brass screws offer several advantages over steel alternatives:

Non-magnetic: Important for electrical panels, sensitive instruments, and MRI-adjacent environments
Naturally corrosion-resistant: No plating to chip or flake over time
Electrically conductive: Suitable for grounding connections and electrical assemblies
Galvanic compatibility: Pairs well with brass, copper, and bronze components without accelerated corrosion
Decorative appearance: Warm gold tone suits furniture hardware, musical instruments, and visible trim

The trade-off is lower tensile strength compared to steel — brass is generally not suitable for high-load structural fastening.

What Phillips screwdriver size do I need for M4 and M5 pan head screws?

Both M4 and M5 pan head Phillips screws typically use a PH2 (Phillips #2) driver. Always verify with the actual screw recess before driving. Because brass is softer than steel, use a well-fitting driver and apply steady downward pressure to avoid cam-out, which can damage the recess on brass screws more easily than on steel.

What are the most common applications for M4 and M5 solid brass pan head Phillips screws?

Common applications include:

Electrical panel assembly and grounding connections
Marine hardware, boat fittings, and deck hardware
Decorative furniture hardware and cabinet trim
Woodworking and joinery where a non-corroding fastener is needed
Musical instrument assembly (guitar hardware, instrument bodies)
Scientific and optical instrument mounting
General-purpose metric fastening where non-magnetic or corrosion-resistant properties are required

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.