Hex Socket Head Cap Screw with Grade 12.9 Black

⚙ Basic Info.

Model NO.CC-314A

GrooveSpecial Shape

ConnectionCommon Bolt

Head StyleRound

StandardDIN, GB, ANSI, JIS

Grade8.8

MaterialCarbon Steel

Screw Diameter8 mm

Screw Length3~110 mm

Capacity800 Tons / Month

📄 Product Description

Carbon steel 4.8/8.8/10.9 M2.5 Customized double rod fastener knurled bamboo screw

Category	Non-standard screws	Head type	Cheese head
Thread Size	M8	Thread Tolerance	6G
Surface Treatment	Galvanized	Material Grade	Carbon Steel 45H
Product Grade	Class A	Customization	Yes

Screws are generally called wood screws; with larger pitch, generally used to tighten wood or plastic parts. Mechanical screws feature uniform small pitch, generally used to fasten metal and machine parts.

🛠 Application Range:

Stainless steel plate, metal plate, galvanized steel plate engineering.
Indoor and outdoor metal curtain walls and light compartments.
General angle steel, channel steel, and iron plate materials.
Automobile engine, heavy machinery, and garden machinery.
Aerospace, energy, chemical, and hydraulic industries.
Electronics, electrical appliances, motors, and lighting.
Communications, home appliances, and furniture assembly.
Motorcycles and sports equipment industries.

🖼 Detailed Photos

🏭 Production & Factory

We possess strong production capacity, specializing in professional fasteners and fittings. Our products meet international quality systems such as ANSI and BS. We provide high-quality fasteners for construction steel, automotive, machinery, energy, furniture, shipping, and railways.

Throughout the production process, professional engineers monitor quality to ensure every part meets requirements. We are committed to continuous innovation, providing qualified parts at competitive prices.

📦 Packaging & Shipping

Package Size27.00cm * 20.00cm * 16.00cm

Gross Weight20.000kg

Estimated Shipping Times (Ocean):

North & South America: ~40 working days
Eastern Europe: 30-40 working days
Southeast Asia: 20-30 working days
Africa: 35-45 working days

Air Transport: Around 7-10 business days worldwide.

📏 International Standards

DIN	ISO	GB	Description
DIN84	ISO1207	GB65	Slotted cheese head screws
DIN85	ISO1580	GB67	Slotted pan head screws
DIN125-A	ISO708	GB97.1	Plain washers
DIN912	ISO4762	GB70	Hexagon socket cap screws
DIN931	ISO4014	GB5782	Hexagon head screws (half thread)
DIN933	ISO4017	GB5783	Hexagon head screws (full thread)
DIN934	ISO4032	GB6170	Hexagon full nuts
DIN7981	ISO7049	GB845	Pan head tapping screws

* Complete list of 200+ matched standards available upon request.

❓ Frequently Asked Questions

What is your product range?

Our product range includes screws, nuts, knobs, bolts, washers, rivets, anchors, and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI, NFE, and BSW.

Are you a manufacturer or a trading company?

We are an integrated Industry & Trade Company, combining professional manufacturing experience with efficient global trade services.

Why should I choose your fasteners?

With 9 years of experience, we provide end-to-end solutions in production design, process optimization, professional packaging, and reliable after-sales service.

Which industries use your products?

Our fasteners are widely used in machine assembly, electronics, construction engineering, furniture, automotive, and heavy industrial applications.

Do you offer customization or small quantities?

Yes, we provide non-standard, OEM, and ODM customized services. We also accept small quantity orders to meet specific project requirements.

What are your main advantages?

Short lead times, international standard compliance, well-trained staff, and the ability to package/deliver according to specific customer requirements.