SS304 Carbon Steel Knurled Head Thumb Screw

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Basic Info

Model NO.

CC-315A

Groove

Special Shape

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ANSI, JIS

Grade

8.8

Material

Carbon Steel

Diameter

8 mm

Management

ISO 9001, ISO 14001

Length

3~110 mm (Available)

Specification

M8

Capacity

800 Tons / Month

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Product Description

Carbon steel 4.8/8.8/10.9 M4 Galvanized Customized Double Rod Fastener Knurled Bamboo Screw

Category	Non-standard screws	Head type	Cheese head
Slot Type	NO	Screw diameter	8 mm
Screw length	3~110 mm Available	Mode of action	Hand twist
Thread size	M8	Thread Tolerance	6G
Material Grade	Carbon Steel 45H	Surface treatment	Galvanized

Screws are generally called wood screws; they feature a sharp tip and larger pitch, ideal for tightening wood and plastic parts. Mechanical screws feature a uniform, smaller pitch, generally used for metal and machine part fastening.

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Application Range

Stainless steel plate, metal plate, galvanized steel plate engineering installation.
Metal curtain walls, light compartments, and indoor/outdoor installations.
Angle steel, channel steel, and iron plate combinations.
Automobile engines, heavy machinery, garden machinery, and petrochemical equipment.
Aerospace, energy, chemical, metallurgy, and hydraulic systems.
Electronics, electrical appliances, lighting, and communications.

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Detailed Photos

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Manufacturing Overview

Our products meet international quality systems such as ANSI and BS. We provide professional fasteners for construction steel, automotive, machinery, energy, furniture, and railways. With professional engineers monitoring the whole production process, we guarantee top-tier product quality and continuous innovation.

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Factory Corner

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Packaging & Shipping

Ocean Shipping:

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: ~7-10 business days

Packaging Options: Boxes, cartons, plastic bags, or customized requirements.

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After Sales Service

Products meet all applicable manufacturing quality standards.
Product warranty period: 12 months.
Seller will repair or replace parts found defective within the warranty period.
Quantity discrepancies must be reported within 20 calendar days of receipt.
Certifications (RoHS, REACH) can be provided upon request.

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Frequently Asked Questions

1. What materials are available for these fasteners?

We primarily use Carbon Steel (Grades 4.8, 8.8, 10.9) and Stainless Steel, with various surface treatments like galvanization available.

2. Can you provide non-standard or customized screws?

Yes, we specialize in Non-standard/OEM/ODM services. We can customize dimensions, thread types, and head styles according to your requirements.

3. Which international standards do your products follow?

Our fasteners strictly implement various standards including DIN, ISO, GB, JIS, AISI, NFE, and BSW.

4. What is the typical lead time for production?

Our production capacity is 800 tons per month. Lead times vary by order size but generally align with our standard shipping schedules (7-10 days for air, 20-40 days for ocean).

5. What industries do you currently serve?

Our fasteners are widely used in machine assembly, electronics, construction engineering, furniture, automotive, and aerospace industries.

6. What is your quality assurance process?

We are ISO 9001 and ISO 14001 certified. Professional engineers monitor the entire production cycle to ensure every batch meets required specifications.