How do you guarantee product quality?

We conduct pre-production sampling, final inspections before shipment, and use high-quality C1022A carbon steel.

What is the lead time for production?

Off-season lead time is within 15 workdays, while peak season lead time is 1-3 months.

Ruspert Dacromet Hex Head Tornillos Hardware Self Drilling Non-Slip Roofing Screw with Washer

Name: Ruspert Dacromet Hex Head Tornillos Hardware Self Drilling Non-Slip Roofing Screw with Washer
Brand: Newspider Tianjin Impex Co., Ltd.
SKU: 2152636922

Tianjin, ChinaNewspider Tianjin Impex Co., Ltd.

US$1.40

1,000-9,999 kg

US$1.30

10,000-199,999 kg

US$1.20

200,000+ kg

Product specifications

Diameter

Length

Surface Treatment

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Dacromet Hex Self Drilling Screw Non-slip and Wash

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW

Grade

8.8

Product Name

Hex Head Self Drilling Screw with Non-Slip Ribs

Application

Sheet Metal, Roofing, Construction

Screw Type

Self-Drilling Screw

Material Number

C1022A Carbon Steel

Measuring System

Metric and Inch

Surface Treatment

Galvanized, Ruspert, Dacromet

Thread Type

Full Thread with Non-Slip Ribs

Point

#5 Drill Point

Diameter

5.0mm

Length

3/4"-5" (19-125mm) or as Request

MOQ

1 Ton Per Size

Customization 1

Sizes of The Screws

Customization 2

Packing of The Screws

Customization 3

Surface Treatment

Transport Package

Bale Bag or Box + Carton + Pallet

Specification

5mm

Trademark

OEM

Origin

Tianjin, China

HS Code

7318120090

Production Capacity

5000 Tons

Key features

High-Strength Material: Made of Carbon Steel C1022A, Grade 8.8 for enhanced strength and durability.

Anti-Corrosion Treatment: Available in Dacromet, Ruspert, or Galvanized finishes with 500-1500hr salt spray resistance.

Non-Slip Design: Full thread with non-slip ribs prevents slippage and ensures stable drilling speed.

Versatile Applications: Suitable for metal-to-metal, metal-to-wood, roofing, walling, and fencing profiles.

Customizable Options: Custom sizes, packing, and surface treatments are available upon request.

Efficient Installation: #5 Drill Point allows drilling without pilot holes, penetrating top/bottom sheets and insulation.

Professional Manufacturing: Produced with high-speed cold heading machines and self-owned heat treatment lines.

Quality Assurance: Strict inspection processes and pre-production samples ensure consistent high quality.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceStandardized quality control

Newspider Tianjin Impex Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from SamplesExport Year: 2017-03-17Nearest Port: TianjinAverage Response Time: ≤3.15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier providing 3D software design, ODM, OEM, and sample-based customization. It reports more than 40 employees, separate production and packing workshops, experienced workers, process inspection, annual production of about 5,000 tons, and supply to more than 20 countries. However, it has no stated inventory, overseas warehouse, overseas showroom, overseas agent or branch, and no offline trade-show participation. Manufacturing capacity lacks a valid contract with related subcontractors. Quality and complaint-handling procedures are documented and followed, but no certification is identified. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Financial credibility cannot be reliably assessed because the supplied financial records are incomplete and inconsistent. ERP integration and several related digital systems are absent or recorded as zero.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier, offers 3D software design, ODM, and OEM services, and operates production and packing workshops for screw manufacturing. This indicates a manufacturer with technical design and contract-manufacturing capabilities.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, supplier-service assessment, and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agent, branch, or inventory capability, limiting evidence of localized after-sales support.

Production capacityThe supplier reports separate production and packing workshops, more than 40 employees, experienced workers, process inspection, annual production of about 5,000 tons, and lead times within 15 workdays to one month. Against this, it has no valid contract with related subcontractors and no inventory capability; overall manufacturing capacity is explicitly supported, though supply-chain controls have limitations.

Customization capabilityCustomization is explicitly available from samples, and the supplier states that screw customization is available across quantities and sizes. Its 3D design, ODM, and OEM services further support tailored product development.

Client casesThe supplier states that it has supplied products to more than 20 countries and provides OEM services for well-known brands. These statements constitute direct evidence of international customer experience, although no customer names or detailed case examples are provided.