What materials and finishes are available?

Made of carbon steel with zinc plated finish. Fine thread options are customizable.

What sizes are available for these screws?

Thickness sizes include 3.5, 3.9, 4.2, and 4.8mm, with lengths from 12mm to 100mm.

How are the products packed?

Packed in woven bags, cartons, plastic bags, or custom color print boxes as requested.

M3.5 M3.9 M4.2 M4.8 Countersunk Self Drilling Screws with Ribs

Name: M3.5 M3.9 M4.2 M4.8 Countersunk Self Drilling Screws with Ribs
Brand: Tianjin Primo Technology Co., Ltd.
SKU: 2109903862

Tianjin, ChinaTianjin Primo Technology Co., Ltd.

US$0.03

10,000-99,999 Pieces

US$0.02

100,000-999,999 Pieces

US$0.01

1,000,000+ Pieces

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Self Drilling Screw,Roofing Screw

Groove

Square

Connection

Window Connect

Head Style

Countersunk Head

Standard

DIN, GB, GOST

Grade

4.8

Thread

Fine Thread

Finish

Zinc Plated

MOQ

1 Ton Each Size

Application

Windoe Connection

Transport Package

Bulk in Bag or Box Package

Specification

3.5 to 4.8 mm

Trademark

Primo

Origin

China

HS Code

7318140090

Production Capacity

10000 T/ Year

Key features

Customizable Thread and Finish: Offers fine thread options and zinc plated finish to meet specific project requirements.

High Production Capacity: Annual output reaches 20,000 tons with 200+ sets of automatic production equipment.

Flexible OEM/ODM Service: Accepts OEM and ODM orders, including custom packaging and logo printing.

Strict Quality Control: Uses high-quality raw materials with strict quality control for durable performance.

Multiple Size Options: Available in thickness sizes 3.5, 3.9, 4.2, and 4.8mm with lengths from 12-100mm.

Professional Manufacturer: 10+ years experience in fastener manufacturing with 3 production bases in China.

Versatile Application: Designed for roofing connections and window connections with countersunk head design.

Flexible Payment Terms: Supports T/T, Western Union, Money Gram, Credit Card, Paypal, and L/C.

Company profile

Tianjin Primo Technology Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤9.54h

About Our Factory & Business Background

AddressTianjin, China

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsScrews, Nails, Rivets, Staples, Bolt, Nut, Washer, Stamping Part

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the minimum order quantity?

The MOQ is 1 ton for each size, but sample orders are also accepted.

Q:Can you accept OEM and ODM orders?

Yes, we absolutely accept OEM and ODM orders, including custom packaging and logos.

Q:What are the available payment terms?

We accept T/T, Western Union, Money Gram, Credit Card, Paypal, and L/C.

Q:What is the delivery time?

Delivery time is 20-30 days, depending on the order volume.

Q:Can I visit your factory online?

Yes, we can arrange online video inspections before shipment without any problem.

Send Inquiry

*To: