4-40 x 7/16" Round Head Phillips Machine Screw Steel Blue Zinc Plated
Why Choose MRP0407Z?
MRP0407Z is a 4-40 Round Head head Phillips drive screw with 7/16 inches length, featuring a Blue Zinc Plated Steel finish. Compared to alternative finishes in the same specification such as MRP0407S (SUS304 Stainless Steel), MRP0407B (Black Zinc Plated Steel), the Blue Zinc Plated Steel of MRP0407Z offers moderate corrosion resistance with a distinctive blue iridescent appearance, commonly used in automotive assembly, machinery, and general industrial fastening. The Round Head head design ensures optimal load distribution across the mating surface, while the Phillips drive allows efficient torque transmission during installation. Each MRP0407Z 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 MRP0407Z
What is MRP0407Z screw?
MRP0407Z is a 4-40 Round Head head Phillips drive screw made of Blue Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 7/16 inches and is commonly used in electronics, watches, precision instruments, and 3D printers.
What are the specifications of MRP0407Z?
The MRP0407Z screw features thread size 4-40, length of 7/16 inches, head type Round Head (head diameter 0.193-0.211“ inches), drive type Phillips (drive size PH No.1), and is made of Blue Zinc Plated Steel.
What material is the MRP0407Z screw made of?
The MRP0407Z screw is made of Blue Zinc Plated Steel. Superneer provides material test reports (MTR) and RoHS compliance certificates for all products. Blue Zinc Plated Steel offers excellent corrosion resistance and mechanical strength.
What is the thread size of MRP0407Z?
The MRP0407Z 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 MRP0407Z screws used for?
MRP0407Z 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 MRP0407Z?
The minimum order quantity (MOQ) for MRP0407Z is 10,000 pieces. The unit price is $0.024 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.
What is the lead time and shipping for MRP0407Z?
The lead time for MRP0407Z 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 MRP0407Z use and why?
The MRP0407Z 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 MRP0407Z (4-40, 7/16 inches), ensure your application requires this specific size.
What is the difference between MRP0407Z and similar parts?
MRP0407Z uses Blue Zinc Plated Steel finish, while alternative variants in the same thread/length specification include MRP0407S (SUS304 Stainless Steel), MRP0407B (Black Zinc Plated Steel). The Blue Zinc Plated Steel of MRP0407Z is specifically selected because it offers moderate corrosion resistance with a distinctive blue iridescent appearance, commonly used in automotive assembly, machinery, and general industrial fastening. This distinction makes MRP0407Z the preferred choice when these properties align with your application requirements.