Home Machine Screws Round Head Screw Slotted Round Head Bolt M3 x 8 mm Round Head Slotted Machine Screw Steel Blue Zinc Plated

M3 x 8 mm Round Head Slotted Machine Screw Steel Blue Zinc Plated

Screw
Screw
Part No. MRLM308Z rohs Rating:

material Blue Zinc Plated Steel
Ship Date 2026-11-17
Head Round Head
drive Slot   0.8-0.96mm width
Head Diameter 4.7-5 mm
Head Height 1.85-2.15 mm
Thread M3
Length 8 mm
Unit Price USD$ 0.017 /pcs
Unit Weight 0.503 g
Quantity pcs
Amount USD$ Total Amount USD$
Amount USD$ Total Amount USD$
  
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Item Information

Why Choose MRLM308Z?

MRLM308Z is a M3 Round Head head Slot drive screw with 8 mm length, featuring a Blue Zinc Plated Steel finish. Compared to alternative finishes in the same specification such as MRLM308S (SUS304 Stainless Steel), MRLM308B (Black Zinc Plated Steel), the Blue Zinc Plated Steel of MRLM308Z 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 Slot drive allows efficient torque transmission during installation. Each MRLM308Z screw is manufactured to industry standards, RoHS compliant, and supplied with material test reports (MTR) for full quality traceability.

M3 x 8 mm Round Head Slotted Machine Screw Steel Blue Zinc Plated
MRLM308Z This part demension will be same as the drawing indicate below, length tolerance will be ±0.5 .
It is Round Head with Slot drive, M3 Thread and 8 mm Length .
material Blue Zinc Plated Steel, Finsh is Rohs Blue Zinc which has good function of anti-corrosion .
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BUY MRLM308Z - M3 x 8 mm Round Head Slotted Machine Screw - Blue Zinc Steel for Precision Assembly | Superneer today,high quality product and best service will be provided by superneer.Each order will be made shippment on time.
Different Finish :
M3 x 8 mm
M3 x 8 mm
MRLM308S
SUS304 Stainless Steel
M3 x 8 mm
M3 x 8 mm
MRLM308Z
Blue Zinc Plated Steel
M3 x 8 mm
M3 x 8 mm
MRLM308B
Black Zinc Plated Steel
M3 x 8 mm Round Head Slotted Machine Screw Steel Blue Zinc Plated
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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.

Frequently Asked Questions about MRLM308Z

What is MRLM308Z screw?

MRLM308Z is a M3 Round Head head Slot drive screw made of Blue 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 MRLM308Z?

The MRLM308Z screw features thread size M3, length of 8 mm, head type Round Head (head diameter 4.7-5 mm), drive type Slot (drive size 0.8-0.96mm width), and is made of Blue Zinc Plated Steel.

What material is the MRLM308Z screw made of?

The MRLM308Z 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 MRLM308Z?

The MRLM308Z screw has a M3 thread. This is a metric thread with M3 specification, commonly used in international applications following ISO standards.

What are MRLM308Z screws used for?

MRLM308Z Round Head head Slot 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 MRLM308Z?

The minimum order quantity (MOQ) for MRLM308Z 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 MRLM308Z?

The lead time for MRLM308Z 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 MRLM308Z use and why?

The MRLM308Z 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 MRLM308Z (M3, 8 mm), ensure your application requires this specific size.

What is the difference between MRLM308Z and similar parts?

MRLM308Z uses Blue Zinc Plated Steel finish, while alternative variants in the same thread/length specification include MRLM308S (SUS304 Stainless Steel), MRLM308B (Black Zinc Plated Steel). The Blue Zinc Plated Steel of MRLM308Z 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 MRLM308Z the preferred choice when these properties align with your application requirements.

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