What types of drives and heads are available?

We offer Hexagon drive with Hex washer head, CSK head, or Pan Head options.

What is the application of these screws?

They are primarily used for roofing connections in solar panel systems.

What shipping methods do you provide?

We usually ship by sea, air, or international express, providing solutions based on your requirements.

Hex Head Stainless Steel 304 Bi-Metal Self-Drilling Screws for Solar Panel

Name: Hex Head Stainless Steel 304 Bi-Metal Self-Drilling Screws for Solar Panel
Brand: Tianjin Primo Technology Co., Ltd.
SKU: 1924242916

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 Plated

Grade

4.8

Material

SUS304+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 SUS304/316 stainless steel with SCM435 carbon steel for superior strength and corrosion resistance.

Self-Drilling Design: Hex washer head with self-drilling point eliminates pre-drilling, speeding up roofing installation.

Multiple Size Options: Available in thicknesses 4.2-6.3mm and lengths 12-200mm to fit various solar panel mounting needs.

Customizable Packaging: Offers bulk, carton, or custom color print box packaging with customer logos and designs.

Flexible Payment Terms: Supports T/T, Western Union, Money Gram, Credit Card, PayPal, and L/C for customer convenience.

Professional Manufacturer: Established in 2016 with 3 production bases, 200+ automatic equipment sets, and 20,000 tons annual capacity.

OEM/ODM Accepted: Accepts OEM and ODM orders, providing turnkey solutions for custom fastener requirements.

Quality Assurance: High-quality raw materials and strict quality control ensure durable and reliable roofing connections.

Company profile

Tianjin Primo Technology Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤10.04h

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 MOQ?

The MOQ is 1 ton for each size. Sample orders are also accepted.

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

Q:Can I visit the factory or get a video inspection?

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

Q:What materials are used for these screws?

The screws are made of SUS304+SCM435 or SUS316+SCM435 bi-metal construction.

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