750PCS M3 Screws Assortment Kit, M3x6/8/10/12/16/20/25/30 mm Hex Socket Head Bolts, Nuts & Washers Assorted Set - 12.9 Alloy Steel Black Zinc Plated M3 Screw for 3D Printer,DIY
750PCS M3 Screws Assortment Kit, M3x6/8/10/12/16/20/25/30 mm Hex Socket Head Bolts, Nuts & Washers Assorted Set - 12.9 Alloy Steel Black Zinc Plated M3 Screw for 3D Printer,DIY
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Description
Description
About This
- 【Perfect for DIY Projects】 This M3 screw assortment kit are ideal for hobbyists working with 3D printing, electronics, RC models, DIY repairs, chair replacement and CNC machinery, offering precision for intricate designs.
- 【Standardized Metric Sizes】 -The M3-0.5 hex socket head cap screws set come with 8 commonly used lengths—M3 x 6mm, 8mm, 10mm, 12mm, 16mm,20mm,25mm,30mm—ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.
- 【Premium 12.9 Grade Alloy Steel】- This M3 bolts, nuts and washers assorted kit are crafted from high-strength 12.9 grade alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, ideal for harsh environments.
- 【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 allen screw set perfect for any indoor/light outdoor use.
- 【Smart Storage Box 】- The metric machine screws 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
- Material : Alloy Steel
- Head Style : Hex Socket Head Screw
- Item dimensions L x W x H : 7.95 x 4.21 x 0.67 inches
- Thread Size : m3-0.5
- Brand : Fgruh
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.