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M12 M20 Carbon steel Flat & CSK Head Machine Screw with nuts grade8.8 Black coating

Name: M12 M20 Carbon steel Flat & CSK Head Machine Screw with nuts grade8.8 Black coating
Brand: Hunan Jia Shan Hardware Tech Co., Ltd.
SKU: DIN, ASEM, ISO
Price: 0.20 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: JIA SHAN

Certification: ISO

Model Number: DIN, ASEM, ISO

Payment & Shipping Terms

Minimum Order Quantity: 100

Price: USD0.2/pcs-USD1/pcs

Delivery Time: 1-5 weekds

Payment Terms: T/T, Western Union

Supply Ability: Batch order abailable

Get Best Price

Product Details

Product Description

Highlight:

Usage:	Fastening	Size:	Various Sizes Available
Style:	Flat & CSK Head Machine Screw	Head Style:	Flat & CSK Head Machine Screw
Strength:	High	Finish:	Black
Manufacturer:	JIA SHAN Hardward Company	Length:	As Customisation
Package:	Small Packing+Carton Packing+Pallet	Standard:	DIN
Package Quantity:	100 Pieces	Shape:	Self Tapping Screws
Measurement System:	INCH, Metric	Port:	Shenzhen
Quality:	Inspection Before Shipment	Color:	As Customisation
Material:	Stainless Steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276

Usage:	Fastening
Size:	Various Sizes Available
Style:	Flat & CSK Head Machine Screw
Head Style:	Flat & CSK Head Machine Screw
Strength:	High
Finish:	Black
Manufacturer:	JIA SHAN Hardward Company
Length:	As Customisation
Package:	Small Packing+Carton Packing+Pallet
Standard:	DIN
Package Quantity:	100 Pieces
Shape:	Self Tapping Screws
Measurement System:	INCH, Metric
Port:	Shenzhen
Quality:	Inspection Before Shipment
Color:	As Customisation
Material:	Stainless Steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276

M12 M20 Carbon steel Flat & CSK Head Machine Screw with nuts grade8.8 Black coating

M12 M20 Carbon Steel Flat & CSK Head Machine Screw with Nuts Grade 8.8 Black Coating

Product Overview

Key Specifications

Attribute	Value
Usage	Fastening
Size	Various sizes available
Style	Flat & CSK Head Machine Screw
Strength	High
Finish	Black
Material	Stainless steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276
Standard	DIN
Package	Small Packing+Carton Packing+Pallet

Product Description

A machine screw is a precision fastener designed for joining components in mechanical assemblies. These screws feature:

Diameter ≤ 0.75 inches (per ASME standards)
Uniform thread profile from top to bottom
Available in multiple materials including stainless steel and aluminum
Black coating for enhanced corrosion resistance
Grade 8.8 strength rating for high-performance applications

Material Advantages

Carbon Steel Benefits:

High strength for demanding applications
Excellent wear resistance
Good plasticity for forming complex shapes
Cost-effective material solution

Stainless Steel Benefits:

Superior corrosion resistance
High temperature performance
Aesthetic appearance
Lower density with maintained strength

Material Composition

Grade	C%	Cr%	Ni%	Mo%
304	0.07	17.5-19.5	8.0-10.5	/
316	0.08	16.0-18.0	10.0-14.0	2.00-3.00
304L	0.03	18-20	8-12	/
316L	0.03	16-18	10-14	2-3

Maintenance Guidelines

Protect the natural oxide film on stainless steel surfaces
Use soft cloths for cleaning - avoid abrasive materials
Apply chemical treatments in corrosive environments
Rinse thoroughly after chemical cleaning

Manufacturer Information

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