Customizable Steel Steel Black Finish Knurled Thumb Screw with Washer

Basic Specifications

Model NO.:CC-316A

Groove:Special Shape

Connection:Common Bolt

Head Style:Round

Standard:DIN, GB, ANSI, JIS

Grade:8.8

Material:Carbon Steel

Diameter:8 mm

Certification: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/galvanized Customized double rod fastener knurled bamboo screw

Category	Non-standard screws	Head Type	Cheese head
Screw Diameter	8 mm	Mode of Action	Hand twist
Thread Size	M8	Tolerance	6G
Surface	Galvanized	Grade	Class A / Carbon Steel 45H

Screws are generally called wood screws; designed with a sharp tip and larger pitch, they are ideal for tightening wood and plastic parts. Mechanical screws feature uniform small pitches, perfect for fastening metal and machine components.

Wide Application Range:

Metal curtain walls and indoor/outdoor installations.
Automobile engines, heavy machinery, and garden equipment.
Aerospace, energy, chemical, and hydraulic industries.
Electronics, electrical appliances, lighting, and home furniture.
Shipbuilding, refrigeration, and container assembly.

Detailed Product Photos

Production Capability & Quality

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, and railways.

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

Factory Overview

Packaging & Logistics

Shipping Estimated Times:

Ocean Shipping: North/South America (~40 days), Europe (~30-40 days), Southeast Asia (~20-30 days).
Air Transport: Global delivery within 7-10 business days.
Packaging: Custom boxes, cartons, or plastic bags based on customer needs.

Our Advantages

Well-trained and experienced staff at your service.
Short lead time and efficient production.
Full compliance with international standards.
OEM / ODM and customized fastener services.
Small quantities available for specialized projects.
Professional packaging and delivery solutions.

Frequently Asked Questions

1. What is your primary product range?

Our range includes high-quality screws, nuts, knobs, bolts, washers, rivets, anchors, and precision CNC parts, following GB, ISO, DIN, and JIS standards.

2. Are you a manufacturer or a trading company?

We are an integrated Industry & Trade Company, offering both manufacturing expertise and comprehensive supply chain solutions.

3. Which industries do your fasteners serve?

Our products are widely used in machine assembly, electronics, construction engineering, automotive manufacturing, and furniture production.

4. Do you offer customization for non-standard parts?

Yes, we specialize in non-standard, OEM, and ODM services, designing fasteners according to specific customer requests and technical drawings.

5. How do you ensure product quality?

We have 9 years of experience in the fastener field with professional engineers monitoring the entire production process to guarantee international quality compliance.

6. What are your typical lead times and shipping options?

We offer short lead times with shipping via air (7-10 days) or ocean (20-40 days depending on the region) to accommodate various urgency requirements.