4-40 x 1/2" Pan Head Torx Machine Screw Steel Black
Why Choose MPT0408B?
MPT0408B is a 4-40 Pan Head head Torx drive screw with 1/2 inches length, featuring a Black Zinc Plated Steel finish. Compared to alternative finishes in the same specification such as MPT0408S (SUS304 Stainless Steel), MPT0408Z (Blue Zinc Plated Steel), the Black Zinc Plated Steel of MPT0408B 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 Torx drive allows efficient torque transmission during installation. Each MPT0408B screw is manufactured to industry standards, RoHS compliant, and supplied with material test reports (MTR) for full quality traceability.
Payment Method: T/T & Paypal and other payment method
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 MPT0408B
What is MPT0408B screw?
MPT0408B is a 4-40 Pan Head head Torx drive screw made of Black Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 1/2 inches and is commonly used in electronics, watches, precision instruments, and 3D printers.
What are the specifications of MPT0408B?
The MPT0408B screw features thread size 4-40, length of 1/2 inches, head type Pan Head (head diameter 0.205-0.219 inches), drive type Torx (drive size T10), and is made of Black Zinc Plated Steel.
What material is the MPT0408B screw made of?
The MPT0408B 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 MPT0408B?
The MPT0408B 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 MPT0408B screws used for?
MPT0408B Pan Head head Torx 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 MPT0408B?
The minimum order quantity (MOQ) for MPT0408B is 10,000 pieces. The unit price is $0.017 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.
What is the lead time and shipping for MPT0408B?
The lead time for MPT0408B 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 MPT0408B use and why?
The MPT0408B 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 MPT0408B (4-40, 1/2 inches), ensure your application requires this specific size.
What is the difference between MPT0408B and similar parts?
MPT0408B uses Black Zinc Plated Steel finish, while alternative variants in the same thread/length specification include MPT0408S (SUS304 Stainless Steel), MPT0408Z (Blue Zinc Plated Steel). The Black Zinc Plated Steel of MPT0408B 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 MPT0408B the preferred choice when these properties align with your application requirements.























