4-40 x 7/16" Button Head Socket Cap Machine Screw SUS304 Stainless Steel Inox
Why Choose MBS0407S?
MBS0407S is a 4-40 Button Head head Socket drive screw with 7/16 inches length, featuring a SUS304 Stainless Steel finish. Compared to alternative finishes in the same specification such as MBS0407Z (Blue Zinc Plated Steel), MBS0407B (Black Zinc Plated Steel), the SUS304 Stainless Steel of MBS0407S offers superior corrosion resistance for outdoor, marine, and humid environments, excellent hygiene properties for food and medical equipment, and good mechanical strength at low cost relative to exotic alloys. The Button Head head design ensures optimal load distribution across the mating surface, while the Socket drive allows efficient torque transmission during installation. Each MBS0407S 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 MBS0407S
What is MBS0407S screw?
MBS0407S is a 4-40 Button Head head Socket drive screw made of SUS304 Stainless 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 MBS0407S?
The MBS0407S screw features thread size 4-40, length of 7/16 inches, head type Button Head (head diameter 0.201 - 0.213 inches), drive type Socket (drive size ), and is made of SUS304 Stainless Steel.
What material is the MBS0407S screw made of?
The MBS0407S screw is made of SUS304 Stainless Steel. Superneer provides material test reports (MTR) and RoHS compliance certificates for all products. SUS304 Stainless Steel offers excellent corrosion resistance and mechanical strength.
What is the thread size of MBS0407S?
The MBS0407S 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 MBS0407S screws used for?
MBS0407S Button Head head Socket 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 Button Head head aesthetics is required.
What is the MOQ and price for MBS0407S?
The minimum order quantity (MOQ) for MBS0407S is 10,000 pieces. The unit price is $0.027 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.
What is the lead time and shipping for MBS0407S?
The lead time for MBS0407S 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 MBS0407S use and why?
The MBS0407S uses a Button Head head type. Button 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 MBS0407S (4-40, 7/16 inches), ensure your application requires this specific size.
What is the difference between MBS0407S and similar parts?
MBS0407S uses SUS304 Stainless Steel finish, while alternative variants in the same thread/length specification include MBS0407Z (Blue Zinc Plated Steel), MBS0407B (Black Zinc Plated Steel). The SUS304 Stainless Steel of MBS0407S is specifically selected because it offers superior corrosion resistance for outdoor, marine, and humid environments, excellent hygiene properties for food and medical equipment, and good mechanical strength at low cost relative to exotic alloys. This distinction makes MBS0407S the preferred choice when these properties align with your application requirements.