Casa Separador Espaçador redondo macho-fêmea Diameter 4.5mm M3 x 21mm Round Spacers Steel Blue Zinc Plated Male Female Standoffs Screws

M3 x 21mm Round Spacers Steel Blue Zinc Plated Male Female Standoffs Screws

Parafuso
Parafuso
N.º da peça OR45MFM321Z rohs Avaliação:

material Aço com revestimento de zinco azul
Data de envio 2026-11-20
Rosca M3
Comprimento 21 mm
Preço unitário USD$ 0.140 /pcs
Peso unitário 2.531 g
Quantidade pcs
Montante USD$ Total_Amount USD$
Montante USD$ Total_Amount USD$
  
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Informações do item

Why Choose OR45MFM321Z?

OR45MFM321Z is a M3 head drive screw with 21 mm length, featuring a Steel Blue Zinc Plated finish. Compared to alternative finishes in the same specification such as OR45MFM321B (Brass), OR45MFM321S (SUS303 Stainless Steel), the Steel Blue Zinc Plated of OR45MFM321Z offers moderate corrosion resistance with a distinctive blue iridescent appearance, commonly used in automotive assembly, machinery, and general industrial fastening. The head design ensures optimal load distribution across the mating surface, while the drive allows efficient torque transmission during installation. Each OR45MFM321Z screw is manufactured to industry standards, RoHS compliant, and supplied with material test reports (MTR) for full quality traceability.

M3 x 21mm Round Spacers Steel Blue Zinc Plated Male Female Standoffs Screws
OR45MFM321Z detail_des
É com acionamento, M3 Rosca e 21 mm Comprimento .
material Steel Blue Zinc Plated, Acabamento é Rohs que tem boa função de anti-corrosão .
No site, você pode usar uma conta de envio gratuita ou usar nossa conta DHL/UPS com exibição de frete.
Condições de pagamento: pagamento antecipado, no site você pode pagar via PayPal ou transferência bancária. Para transferência bancária, você pode enviar os detalhes da conta durante o processo de pedido ou por e-mail: [email protected]. Após o recebimento do pagamento, avançaremos imediatamente para a fabricação e informaremos sobre o progresso por e-mail.
COMPRAR OR45MFM321Z - M3 x 21mm Round Spacers Male Female Standoffs Screws - Steel Blue Zinc for PCB Spacing | Superneer hoje, produto de alta qualidade e melhor serviço serão fornecidos pela Superneer. Cada encomenda será enviada pontualmente.
Different Finish :
M3 x 21 mm
M3 x 21 mm
OR45MFM321B
Brass
M3 x 21 mm
M3 x 21 mm
OR45MFM321S
SUS303 Stainless Steel
M3 x 21 mm
M3 x 21 mm
OR45MFM321Z
Steel Blue Zinc Plated
Desenho do item
M3 x 21mm Round Spacers Steel Blue Zinc Plated Male Female Standoffs Screws
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Payment & Trasportation 5-10 days

Payment Method: T/T & Paypal and other payment method

Shipment Method: Air Express , Air Freight, Sea Shippment

How to Order

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.

Perguntas frequentes sobre OR45MFM321Z

What is OR45MFM321Z screw?

OR45MFM321Z is a M3 head drive screw made of Steel Blue Zinc Plated, manufactured by Superneer Limited. It has a length of 21 mm and is commonly used in electronics, watches, precision instruments, and 3D printers.

What are the specifications of OR45MFM321Z?

The OR45MFM321Z screw features thread size M3, length of 21 mm, head type (head diameter N/A mm), drive type (drive size N/A), and is made of Steel Blue Zinc Plated.

What material is the OR45MFM321Z screw made of?

The OR45MFM321Z screw is made of Steel Blue Zinc Plated. Superneer provides material test reports (MTR) and RoHS compliance certificates for all products. Steel Blue Zinc Plated offers excellent corrosion resistance and mechanical strength.

What is the thread size of OR45MFM321Z?

The OR45MFM321Z screw has a M3 thread. This is a metric thread with M3 specification, commonly used in international applications following ISO standards.

What are OR45MFM321Z screws used for?

OR45MFM321Z head 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 head aesthetics is required.

What is the MOQ and price for OR45MFM321Z?

The minimum order quantity (MOQ) for OR45MFM321Z is 10,000 pieces. The unit price is $0.140 USD for MOQ quantity. Larger quantities receive discounted pricing. Contact [email protected] for custom quotes.

What is the lead time and shipping for OR45MFM321Z?

The lead time for OR45MFM321Z 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 OR45MFM321Z use and why?

The OR45MFM321Z uses a head type. 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 OR45MFM321Z (M3, 21 mm), ensure your application requires this specific size.

What is the difference between OR45MFM321Z and similar parts?

OR45MFM321Z uses Steel Blue Zinc Plated finish, while alternative variants in the same thread/length specification include OR45MFM321B (Brass), OR45MFM321S (SUS303 Stainless Steel). The Steel Blue Zinc Plated of OR45MFM321Z 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 OR45MFM321Z the preferred choice when these properties align with your application requirements.

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