What shipping methods do you offer?

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

What are the delivery times?

Delivery time is typically 20-30 days, depending on the order volume. Peak season lead time is 1-3 months, while off-season is about one month.

What materials are used for these screws?

The screws are made of SUS304+SCM435 or SUS316+SCM435, combining stainless steel and carbon steel for optimal performance.

Ruspert Coating Stainless Steel Bimetal Screw with Drill Point No. 5

Name: Ruspert Coating Stainless Steel Bimetal Screw with Drill Point No. 5
Brand: Tianjin Primo Technology Co., Ltd.
SKU: 1924285676

Tianjin, ChinaTianjin Primo Technology Co., Ltd.

US$0.018-0.032

10,000 Pieces

Sample price:US$13.92/kg.Request sample

Product profile

Customization

Available

Drive Type

Hex

Finish

Zinc-Nickel Alloy, Ruspert, Dacromet, Zinc Plated

Grade

4.8

Head Type

Hex Head

Material

SUS304/SS316+Scm435

Standard

DIN, GB, GOST

Product Name

Bi-Metal Self-Drilling Screws

Thread

Double Thread

MOQ

1 Ton Each Size

Application

Roofing Connection

Washer

SS304+EPDM Bounded Washer

Type

Self Drilling

Groove

Hex Washer Head

Connection

Roofing Connect

Head Style

Hex Washer Head Head

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

Bi-Metal Construction: Combines SUS304/SS316 stainless steel with SCM435 carbon steel for superior strength and corrosion resistance.

Self-Drilling Design: Features drill points #3, #4, and #5 for direct installation into metal roofing without pre-drilling.

Multiple Finish Options: Available in Zinc-Nickel Alloy, Ruspert, Dacromet, and Zinc Plated for enhanced durability.

Customizable Specifications: Offers custom thread types (A, B, C, double), head styles, and packaging as per customer requirements.

High Production Capacity: Annual output reaches 20,000 tons with 200+ automatic production lines ensuring timely delivery.

Flexible MOQ: Minimum order quantity is 1 ton per size, and sample orders are accepted for quality verification.

Professional OEM/ODM: Supports OEM and ODM services with turnkey solutions for fastener manufacturing needs.

Strict Quality Control: Uses high-quality raw materials and implements strict quality control throughout the manufacturing process.

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 choose this manufacturer?

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

Q:Are OEM and ODM services accepted?

Yes, absolutely. We accept OEM and ODM orders and can provide customized solutions based on your specific requirements.

Q:What payment terms are available?

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

Q:Can I visit the factory or conduct online inspections?

Yes, you can visit our factory online, and we also support online video inspections before shipment to ensure product quality.

Q:What is the minimum order quantity (MOQ)?

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

Send Inquiry

*To: