Standard & made-to-drawing parts
Checked before shipping
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Premium M3-M20 Color Zinc Hex Screws with Durable Washers

Updated 2026-11-04 · Markdown version

Model no. bolt

US$0.012 – 2.40 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, GB
Grade: 4.8
Color: Customizable
Size: Custom

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	Carbon Steel
Type	Hexagon Head
Model NO.	bolt
Groove	Cross
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, GB
Grade	4.8
Color	Customizable
Payment	Tt/Paypal
MOQ	10000
Size	Custom
Transport Package	Carton+Tray
Specification	m3-m20
Origin	China
Production Capacity	5000
Accepted Delivery Terms	FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency	USD,CNY
Accepted Payment Type	T/T;
Language Spoken	English,Chinese
Category	Other Machine & Custom Screws

Technical parameters

Name	hex cross screw
Place of Origin	Chengdu,Sichuan, China
Size	m3-m20or non-standard as request&design
Finish	colored
Head Type	hex
Material	steel
Grade	4.8
Standard	GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc
Non-standards	OEM is available, according to drawing or samples
Samples	Samples available
Package	Bulk in master cartons, then on pallets, or according to customers' requirement.
Payment	T/T,paypal

Description

Premium M3-M20 Color Zinc Hex Screws with Durable Washers is part of our other machine & custom screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, GB
Material: Carbon Steel
Grade: 4.8
Size: Custom
Head Style: Hexagonal
Groove: Cross
Connection: Common Bolt

Available configurations include material, head style, standard, grade and color. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.012 – 2.40 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Premium M3-M20 Color Zinc Hex Screws with Durable Washers?

The listed minimum order is 1,000 pieces, at US$0.012 – 2.40 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Premium M3-M20 Color Zinc Hex Screws with Durable Washers?

Type: Hexagon Head; Standard: DIN, GB; Material: Carbon Steel; Grade: 4.8; Size: Custom; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and color. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other other machine & custom screws are available?

The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.012 – 2.40MOQ 1,000 piecesGet a quote WA