4-40 x 5/16" Pan Head Pozi Machine Screw Steel Black ANSI/ASME B18.6.3
Why Choose MPS0405B?
MPS0405B is a 4-40 Pan Head head Pozi drive screw with 5/16 inches length, featuring a Black Zinc Plated Steel finish. Compared to alternative finishes in the same specification such as MPS0405S (SUS304 Stainless Steel), MPS0405Z (Blue Zinc Plated Steel), the Black Zinc Plated Steel of MPS0405B 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 Pan Head head design ensures optimal load distribution across the mating surface, while the Pozi drive allows efficient torque transmission during installation. Each MPS0405B screw is manufactured to industry standards, RoHS compliant, and supplied with material test reports (MTR) for full quality traceability.
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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 MPS0405B
What is MPS0405B screw?
MPS0405B is a 4-40 Pan Head head Pozi drive screw made of Black Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 5/16 inches and is commonly used in electronics, watches, precision instruments, and 3D printers.
What are the specifications of MPS0405B?
The MPS0405B screw features thread size 4-40, length of 5/16 inches, head type Pan Head (head diameter 0.205-0.219 inches), drive type Pozi (drive size Pozi PH No.1), and is made of Black Zinc Plated Steel.
What material is the MPS0405B screw made of?
The MPS0405B 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 MPS0405B?
The MPS0405B screw has a 4-40 thread. This is a UNC (Unified National Coarse) thread with 4-40 specification, widely used in North American applications.
What are MPS0405B screws used for?
MPS0405B Pan Head head Pozi 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 Pan Head head aesthetics is required.
What is the MOQ and price for MPS0405B?
The minimum order quantity (MOQ) for MPS0405B is 10,000 pieces. The unit price is $0.016 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.
What is the lead time and shipping for MPS0405B?
The lead time for MPS0405B 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 metric equivalent of 4-40 thread?
The 4-40 thread is approximately equivalent to M2.5 to M3 (approx). When substituting inch screws with metric screws, always verify the actual diameter and pitch compatibility.
What head type does MPS0405B use and why?
The MPS0405B uses a Pan Head head type. Pan 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 MPS0405B (4-40, 5/16 inches), ensure your application requires this specific size.
What is the difference between MPS0405B and similar parts?
MPS0405B uses Black Zinc Plated Steel finish, while alternative variants in the same thread/length specification include MPS0405S (SUS304 Stainless Steel), MPS0405Z (Blue Zinc Plated Steel). The Black Zinc Plated Steel of MPS0405B 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 MPS0405B the preferred choice when these properties align with your application requirements.