Can I mix different models in one container?

Yes, different models can be mixed in one container, but the quantity of each model should not be less than MOQ.

How does your factory do regarding quality control?

We always pay great attention to quality control from the very beginning and every product was tested piece by piece before delivery.

Do you have quality certification?

Yes, we have CE, SGS, ISO, ect.

Drilling Hex Head Self Tapping Self-Drilling Roofing Screw with Bonded Washer

Name: Drilling Hex Head Self Tapping Self-Drilling Roofing Screw with Bonded Washer
Brand: TIANJIN GRAND METAL CO., LTD.
SKU: 2041483922

Tianjin, ChinaTIANJIN GRAND METAL CO., LTD.

US$930.00-980.00

5 Tons

Product profile

Material

Carbon Steel

Groove

Cross

Connection

Common Bolt

Standard

Tail

Self-Drilling/Self-Tapping

Thread

Fine Thread / Coarse Thread

Surface Treatment

Zinc Plated/Nick Plated/Black Phosphated

Application

Wood, Drywall, Gypsum Board

Transport Package

500g/Bag, 1kg/Bag, 5kg/Box, or Bulk N.W.20kgs/CTN

Specification

All size, M3.5X13-M4.8X200 / 6#x5/8~ 14#X3''

Trademark

GRANDMETAL

Origin

China

HS Code

73170000

Production Capacity

1000tons Per Month

Key features

Customized Tail Type: Available in Self-Drilling or Self-Tapping options to suit specific needs.

Customized Thread: Options include Fine Thread or Coarse Thread for versatile applications.

Customized Surface Treatment: Choices include Zinc Plated, Nick Plated, or Black Phosphated for corrosion resistance.

Customized Carton Print: Professional designers available to customize carton printing as per customer requirements.

Wide Application Range: Suitable for Wood, Drywall, and Gypsum Board installations.

High Salt Mist Resistance: Salt mist time ranges from 24 to 1000 hours depending on treatment.

OEM Service Available: Full OEM customization services are provided for product requirements.

Strict Quality Control: Every product is tested piece by piece before delivery to ensure high quality.

Company profile

TIANJIN GRAND METAL CO., LTD.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.86h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryTIANJIN GRAND METAL CO. Ltd. is a steel manufacturer specializing in steel wire and nails with a research-manufacture-distribution system. Despite having substantial technical research power, the company lacks R&D innovation as no new products were developed in the past year, and they do not offer ODM or OEM services for popular brands. Their financial data indicates no operating revenue or profit over the past three years. The company does not participate in international trade shows or operate overseas facilities. Production capability includes four production lines and a quality control team of 50 staff. However, their financial credibility and after-sales service capabilities are unclear.

Supplier typeTIANJIN GRAND METAL CO. Ltd. is a specialized steel manufacturer with a focus on steel wire and nails, integrating research, manufacturing, and distribution.

Financial creditThe supplier reports zero operating revenue, profit, and cash flow over the last three years, indicating poor financial performance.

R&D capabilityThe supplier has not developed new products in the past year and does not offer ODM or OEM services, indicating limited innovation.

Production capacityThe supplier operates four production lines with an annual output between US$10 million and US$50 million, supported by 50 quality control staff.