Hex Socket Head Cap Screw with Grade 12.9 Black

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Product Description

Basic Specifications

Model NO. CC-314A Groove Special Shape
Connection Common Bolt Head Style Round
Standard DIN, GB, ANSI, JIS Grade 8.8
Material Carbon Steel Screw Diameter 8 mm
Management ISO 9001, ISO 14001 Screw Length 3~110 mm
HS Code 7318150000 Capacity 800 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 Surface treatment Galvanized
Material Grade Carbon Steel 45H Product Grade Class A
Customization Available Process Heat treatment

Screws are generally used to tighten wood parts and plastic parts. Mechanical screws are uniform and generally used to fasten metal and machine parts.

Application Range
  • Stainless steel, metal, and galvanized steel plate installation.
  • Metal curtain walls and indoor/outdoor installations.
  • Angle steel, channel steel, and iron plate combining.
  • Car trunk, container box, shipbuilding, and refrigeration.
  • Automobile engines, heavy machinery, and garden tools.
  • Aerospace, energy, chemical, and metallurgy industries.
  • Electronics, electrical appliances, motors, and lighting.
  • Communications, home appliances, furniture, and molds.

Detailed Photos

Fastener Detail 1
Fastener Detail 2
Fastener Detail 3
Fastener Detail 4
Fastener Detail 5
Fastener Detail 6

Professional Production

We possess strong production capacity, focusing on professional fasteners and fittings. All products meet international quality systems such as ANSI and BS. We provide high-quality fasteners for construction, automotive, machinery, energy, and railway industries.

Throughout the production process, professional engineers monitor quality to guarantee excellence. We are committed to continuous innovation to meet customer requirements, providing qualified parts and competitive pricing.

Manufacturing Insight
Factory Corner
Factory Facility

Packaging & Shipping

Packaging 1
Packaging 2
Packaging 3

Ocean Shipping Estimations:

  • 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: Approximately 7-10 business days.

Packaging: Options include boxes, cartons, plastic bags, or customized requirements.

International Standards

DIN-STANDARD ISO-STANDARD GB-STANDARD DESCRIPTION
DIN1ISO2339GB117Taper pins
DIN7ISO2338GB119-86Parallel pins
DIN84ISO1207GB65-85Slotted cheese head screws
DIN912ISO4762GB70-85Hexagon socket cap screws
DIN933ISO4017GB5783-86Hexagon head screws
DIN934ISO4032GB6170-86Hexagon full nuts
DIN6923ISO4161GB6177-86Hexagon flange nuts
DIN7504--Self-drilling tapping screws

Frequently Asked Questions

What is your main product range?
We offer a wide range of fasteners including screws, nuts, knobs, bolts, washers, rivets, anchors, and precision CNC parts, adhering to GB, ISO, DIN, JIS, and AISI standards.
Do you support non-standard customized products?
Yes, we provide non-standard, standard, OEM, and ODM services to meet specific customer requests and drawings.
Which industries use your fasteners?
Our products are widely used in machine assembly, electronics, construction engineering, automotive, furniture, and aerospace sectors.
What are your manufacturing advantages?
With 9 years of experience, we provide end-to-end solutions from production design and process monitoring to customized packaging and after-sales service.
What is the lead time for shipping?
Air transport takes about 7-10 days, while ocean shipping varies from 20 to 45 days depending on the global destination.
Are small quantities available for order?
Yes, we accept small quantity orders to support our customers' flexible project requirements.

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