What shipping methods do you offer?

We usually ship by sea, air, or international express. We can also provide reasonable shipping solutions based on your specific transportation requirements.

What materials are used for these screws?

Our self-drilling screws are made from high-quality carbon steel C1022A and SS410, ensuring durability and strength.

What are the standard thread types available?

We offer Type A, Type B, Type C, and double thread options to suit different roofing connection needs.

4.8mm 5.5mm 6.3mm Self Drilling Screw Tornillos Hex Head Roofing Screw with Double Thread

Name: 4.8mm 5.5mm 6.3mm Self Drilling Screw Tornillos Hex Head Roofing Screw with Double Thread
Brand: Tianjin Primo Technology Co., Ltd.
SKU: 2041935402

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

Hex Washer Head

Connection

Roofing Connect

Head Style

Hex Washer Head Head

Standard

DIN, GB, GOST

Grade

4.8

Thread

Type B

Finish

Ruspert

MOQ

1 Ton Each Size

Application

Roofing Connection

Washer

EPDM Bounded Washer

Transport Package

Bulk in Bag or Box Package

Specification

4.2 to 6.3 mm

Trademark

Primo

Origin

China

HS Code

7318140090

Production Capacity

10000 T/ Year

Key features

Customizable Thread Types: Available in Type A, Type B, Type C, and double thread options.

Multiple Finish Options: Zinc plated, ruspert, baking paint, and epoxy plating finishes available.

EPDM Bounded Washer: Includes EPDM bounded washer for secure roofing connection and sealing.

Wide Size Range: Thickness sizes 4.2-6.3mm and lengths 12-200mm to meet various needs.

OEM/ODM Support: Accepts OEM and ODM services with customized logo and packaging.

High Production Capacity: Annual capacity up to 20,000 tons with 200+ sets of automatic equipment.

Fast Delivery: Delivery time typically 20-30 days, adjusted based on order volume.

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: ≤9.45h

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:Why should I choose your company?

We have over 10 years of experience in fastener manufacturing and export, providing professional service and high-quality products with turnkey solutions.

Q:Do you accept OEM and ODM orders?

Yes, we absolutely accept OEM and ODM orders. We can customize products according to your specific requirements.

Q:What are the available payment terms?

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

Q:Can I visit your factory online?

Yes, we can arrange online factory visits and video inspections before shipment to ensure you are satisfied with the quality.

Q:What is the Minimum Order Quantity (MOQ)?

The MOQ is 1 ton for each size. However, sample orders are also acceptable.