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Black M16 M20 Carbon steel Flat head Hexagon tapping screws Class8. 8 CSK screws

Name: Black M16 M20 Carbon steel Flat head Hexagon tapping screws Class8. 8 CSK screws
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:	Self Tapping Screws	Head Style:	Self Tapping Screws
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:	Carbon Steel

Usage:	Fastening
Size:	Various Sizes Available
Style:	Self Tapping Screws
Head Style:	Self Tapping Screws
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:	Carbon Steel

Black M16 M20 Carbon steel Flat head Hexagon tapping screws Class8. 8 CSK screws

Black M16 M20 Carbon Steel Flat Head Hexagon Tapping Screws Class 8.8 CSK Screws

Product Specifications

Attribute	Value
Usage	Fastening
Size	Various sizes available
Style	Self Tapping Screws
Strength	High
Finish	Black
Material	Carbon steel
Standard	DIN
Package	Small Packing+Carton Packing+Pallet
Manufacturer	JIA SHAN Hardward Company

Product Description

Our black M16 M20 carbon steel flat head hexagon tapping screws are Class 8.8 CSK screws designed for high-strength fastening applications. These self-tapping screws feature:

Key Features

Manufactured from carburized steel for optimal strength
Heat-treated for enhanced durability
High surface hardness with tough core ("soft outside steel")
Black finish for improved rust prevention
Available in various sizes with custom length options
DIN standard compliant

Technical Specifications

Class 8.8 bolts provide greater tensile strength and torque tolerance than Class 4.8 bolts, making them ideal for heavy load applications:

Material Strength Grade:	8.8
Surface Treatment:	Blackening treatment
Thread Type:	Self-tapping thread

Blackening Treatment Benefits

Improved rust prevention through iron tetraoxide protective film
Enhanced surface durability that resists flaking
Maintains aesthetic appeal while providing functional protection
Porous surface allows for additional rust preventive oil treatment

Applications

These high-strength self-tapping screws are ideal for:

Heavy machinery assembly
Structural connections requiring high reliability
Industrial equipment manufacturing
Applications demanding durable fastening solutions

Packaging Options

Available in multiple packaging configurations to suit your needs:

Small Packing
Carton Packing
Pallet Packaging
Standard package quantity: 100 pieces

About Our Company

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