650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated
650pcs M3 Countersunk Screws Assortment Kit, M3x4/6/8/10/12/16/20 mm Phillips Flat Head Bolts and Nut Assorted Set, Machine Screws Grade 8.8 Alloy Steel Black Zinc Plated
50 in stock
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Description
Description
About This
- 【Product details】- This M3 countersunk screw assortment kit comes with 650 pieces, including 350pcs M3 bolts, 300pcs nuts. This M3 screw set is ideal for electronics, RC models, DIY repairs, home repairs and machinery.
- 【Standardized Metric Sizes】 -The M3 phillips flat head screws set come with 7 commonly used lengths—M3-0.5 x 4mm, 6mm, 8mm, 10mm, 12mm, 16mm,20mm. Thread pitch=0.5mm —ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.
- 【Premium 8.8 Grade Alloy Steel】- This M3 phillips flat head bolts and nuts assorted kit are crafted from high-strength grade 8.8 alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, perfect for any indoor/light outdoor use.
- 【Oil-Free & Rust-Proof】 -Black zinc plating means no greasy mess—keep hands and projects clean. Superior rust resistance ensuring long life.This 3mm black machine screw set ensures a cleaner handling experience and long-lasting performance even in humid or demanding conditions.
- 【Smart Storage Box 】- The metric machine flat head screws fasteners kit comes in a durable, compartmentalized case with clear size labels—so you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother.
Overview
- Size : M3 650pcs
- Color : Black
- Material : Alloy Steel
- Brand : Fgruh
- Item dimensions L x W x H : 5.83 x 4.06 x 0.67 inches
Shipping
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

Frequently Asked Questions
What is the return policy?
We offer a 30-day return policy for items in their original condition.
When will I get my order?
Standard shipping within the U.S. typically takes 5–10 business days.
Why choose ModuBox solutions?
We meticulously source and select premium, BPA-free materials for guaranteed quality.
Our collection is curated globally to ensure a cohesive and calm experience for every room in your home.
How much does shipping cost?
Shipping costs are calculated at checkout based on your location and order size.
How can I contact support?
Email us at thepartshub.usa@gmail.com. We typically respond within 24 hours.