M4 x 12 mm Round Head Phillips Machine Screw Steel Black
Why Choose MRPM412B?
MRPM412B is a M4 Round Head head Phillips drive screw with 12 mm length, featuring a Black Zinc Plated Steel finish. Compared to alternative finishes in the same specification such as MRPM412S (SUS304 Stainless Steel), MRPM412Z (Blue Zinc Plated Steel), the Black Zinc Plated Steel of MRPM412B offers a black decorative finish combined with good corrosion resistance, ideal for consumer electronics, automotive interiors, and applications where both appearance and rust prevention matter. The Round Head head design ensures optimal load distribution across the mating surface, while the Phillips drive allows efficient torque transmission during installation. Each MRPM412B screw is manufactured to industry standards, RoHS compliant, and supplied with material test reports (MTR) for full quality traceability.
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Shipment Method: Air Express , Air Freight, Sea Shippment
1. Order online directly, made payment via Paypal or bank transfer.
2. Superneer arrange production according to drawing,all demensions are within drawing specification.
3. Parts ready, ship to customer.
Frequently Asked Questions about MRPM412B
What is MRPM412B screw?
MRPM412B is a M4 Round Head head Phillips drive screw made of Black Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 12 mm and is commonly used in electronics, watches, precision instruments, and 3D printers.
What are the specifications of MRPM412B?
The MRPM412B screw features thread size M4, length of 12 mm, head type Round Head (head diameter 6.5-7mm mm), drive type Phillips (drive size PH No.2), and is made of Black Zinc Plated Steel.
What material is the MRPM412B screw made of?
The MRPM412B screw is made of Black Zinc Plated Steel. Superneer provides material test reports (MTR) and RoHS compliance certificates for all products. Black Zinc Plated Steel offers excellent corrosion resistance and mechanical strength.
What is the thread size of MRPM412B?
The MRPM412B screw has a M4 thread. This is a metric thread with M4 specification, commonly used in international applications following ISO standards.
What are MRPM412B screws used for?
MRPM412B Round Head head Phillips drive screws are used in electronics assembly, PCB mounting, precision instruments, watches, 3D printers, optical devices, medical equipment, and consumer products where reliable fastening with Round Head head aesthetics is required.
What is the MOQ and price for MRPM412B?
The minimum order quantity (MOQ) for MRPM412B is 10,000 pieces. The unit price is $0.034 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.
What is the lead time and shipping for MRPM412B?
The lead time for MRPM412B is 15-25 days for production. Shipping to USA takes 5-15 days via sea freight, with shipping cost starting from $50 USD. Air freight is available for urgent orders. DDP and FOB terms are both available.
What is the inch equivalent of M4 thread?
The M4 thread is approximately equivalent to #8 (approx 8-32). When substituting metric screws with inch screws, always verify the actual diameter and pitch compatibility.
What head type does MRPM412B use and why?
The MRPM412B uses a Round Head head type. Round Head head provides a specific head design optimized for its intended application. This head type is selected based on the specific application requirements for load distribution, aesthetics, and accessibility.
How to choose the right screw size for my application?
To choose the right screw: 1) Determine the required thread size based on the tapped hole or nut; 2) Select the appropriate length based on the material thickness; 3) Choose the head type based on clearance and aesthetics; 4) Select the drive type based on torque requirements; 5) Choose the material based on environmental conditions. For MRPM412B (M4, 12 mm), ensure your application requires this specific size.
What is the difference between MRPM412B and similar parts?
MRPM412B uses Black Zinc Plated Steel finish, while alternative variants in the same thread/length specification include MRPM412S (SUS304 Stainless Steel), MRPM412Z (Blue Zinc Plated Steel). The Black Zinc Plated Steel of MRPM412B is specifically selected because it offers a black decorative finish combined with good corrosion resistance, ideal for consumer electronics, automotive interiors, and applications where both appearance and rust prevention matter. This distinction makes MRPM412B the preferred choice when these properties align with your application requirements.























