M3 x 8 mm Button Head Socket Cap Machine Screw Steel Black ISO 7380
Why Choose MBSM308B?
MBSM308B is a M3 Button Head head Socket drive screw with 8 mm length, featuring a Black Zinc Plated Steel finish. Compared to alternative finishes in the same specification such as MBSM308S (SUS304 Stainless Steel), MBSM308Z (Blue Zinc Plated Steel), the Black Zinc Plated Steel of MBSM308B 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 Button Head head design ensures optimal load distribution across the mating surface, while the Socket drive allows efficient torque transmission during installation. Each MBSM308B 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 MBSM308B
What is MBSM308B screw?
MBSM308B is a M3 Button Head head Socket drive screw made of Black Zinc Plated Steel, manufactured by Superneer Limited. It has a length of 8 mm and is commonly used in electronics, watches, precision instruments, and 3D printers.
What are the specifications of MBSM308B?
The MBSM308B screw features thread size M3, length of 8 mm, head type Button Head (head diameter 5.4 - 5.7 mm), drive type Socket (drive size ), and is made of Black Zinc Plated Steel.
What material is the MBSM308B screw made of?
The MBSM308B 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 MBSM308B?
The MBSM308B screw has a M3 thread. This is a metric thread with M3 specification, commonly used in international applications following ISO standards.
What are MBSM308B screws used for?
MBSM308B 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 MBSM308B?
The minimum order quantity (MOQ) for MBSM308B 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 MBSM308B?
The lead time for MBSM308B 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 M3 thread?
The M3 thread is approximately equivalent to #6 (approx 6-32). When substituting metric screws with inch screws, always verify the actual diameter and pitch compatibility.
What head type does MBSM308B use and why?
The MBSM308B 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 MBSM308B (M3, 8 mm), ensure your application requires this specific size.
What is the difference between MBSM308B and similar parts?
MBSM308B uses Black Zinc Plated Steel finish, while alternative variants in the same thread/length specification include MBSM308S (SUS304 Stainless Steel), MBSM308Z (Blue Zinc Plated Steel). The Black Zinc Plated Steel of MBSM308B 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 MBSM308B the preferred choice when these properties align with your application requirements.