What materials are used for these screws?

We use high-quality carbon steel, specifically C1022A and SS410.

What finishes are available?

Options include zinc plating and the specialized 1000-hour Ruspert finish.

3.5mm 3.9mm 4.2mm 4.8mm Csk Head Phillip Hilo Thread Ruspert Countersunk Flat Head Tapcon Window Screw

Name: 3.5mm 3.9mm 4.2mm 4.8mm Csk Head Phillip Hilo Thread Ruspert Countersunk Flat Head Tapcon Window Screw
Brand: Tianjin Primo Technology Co., Ltd.
SKU: 2043190342

Tianjin, ChinaTianjin Primo Technology Co., Ltd.

US$1,280.00

1-9 Tons

US$1,250.00

10-24 Tons

US$1,230.00

25+ Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Self Drilling

Model NO.

primo self drilling screw

Groove

Recess Drive

Connection

Roofing Connect

Head Style

Countersunk Head

Standard

DIN, GB, GOST

Grade

4.8

Thread

Type B

Finish

1000 Hrs Ruspert

MOQ

1 Ton Each Size

Application

Roofing Connection

Nibs

6 Nibs

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

1000 Hrs Ruspert Finish: Provides superior corrosion resistance with a 1000-hour Ruspert finish treatment.

Self Drilling Capability: Carbon steel self-drilling screws designed for efficient roofing connections.

Customizable Thread Types: Available in Type A, Type B, and Type C threads to meet specific needs.

Multiple Head Styles: Options include countersunk, wafer, truss, pan, and modified truss heads.

Flexible MOQ Policy: Minimum order is 1 ton per size, but sample orders are accepted.

OEM and ODM Support: Full OEM and ODM services are available for custom designs and logos.

Fast Delivery Time: Standard delivery takes 20-30 days, depending on order volume.

Professional Manufacturer: Established in 2016 with 10+ years experience and 20,000-ton annual capacity.

Company profile

Tianjin Primo Technology Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤7.49h

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:Are OEM and ODM services available?

Yes, we fully accept OEM and ODM requests for custom products.

Q:What payment terms do you accept?

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

Q:What is the delivery time?

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

Q:Can I visit the factory online?

Yes, online factory visits and video inspections before shipment are available.

Send Inquiry

*To: