What is the minimum order quantity (MOQ)?

The MOQ is 1 Ton per size, but we also support customization for quantity and size based on client needs.

How do you guarantee product quality?

We conduct pre-production samples, follow international standards (DIN, GB, ANSI, etc.), and perform final inspections before shipment.

Good Corrosion Resistance Ruspert Hex Washer Head Spoon Point Self Tapping Screw SDS Hex Screw

Name: Good Corrosion Resistance Ruspert Hex Washer Head Spoon Point Self Tapping Screw SDS Hex Screw
Brand: Newspider Tianjin Impex Co., Ltd.
SKU: 2152204462

Tianjin, ChinaNewspider Tianjin Impex Co., Ltd.

US$1.30

1,000-9,999 kg

US$1.20

10,000-199,999 kg

US$1.12

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.

Hex Head Self Drilling Screw with Spoon Point

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW

Grade

8.8

Product Name

Hex Head Self-Drilling Construction Screw

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

Single Thread, Twin Thread

Point

Spoon / Sword Drill Point

Diameter

10#-14# (4.8mm-6.3mm) or as Request

Length

1/2"-12" (13-300mm) 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

M4.8 M5.5 M6.3

Trademark

OEM

Origin

Tianjin, China

HS Code

7318120090

Production Capacity

5000 Tons

Key features

Superior Corrosion Resistance: Features Ruspert and Dacromet treatments for 500-1500hr anti-corrosion performance.

High Strength Carbon Steel: Made from C1022A Carbon Steel Grade 8.8 for enhanced durability and hardness.

Self-Drilling Efficiency: Drill point allows fastening without pilot holes in metal, plastic, and fiberglass.

Customizable Specifications: Diameter (4.8-6.3mm), length, and surface treatments can be customized as requested.

Versatile Washer Options: Available with EPDM bonded, PVC, steel, or rubber washers for water penetration protection.

Professional Manufacturing: 5000 tons annual capacity with strict quality control and experienced production team.

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: ≤2.89h

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.

Product Q&A

Q:What materials and grades are used for these screws?

The screws are made from high-strength C1022A Carbon Steel with a Grade 8.8 rating to ensure durability and hardness.

Q:What surface treatment options are available?

Options include Galvanized (Black/Yellow/Blue/Blue-White), Ruspert (500-1500hr), Dacromet (500-1500hr), and Painting, all customizable upon request.

Q:Can the screw specifications be customized?

Yes, we customize diameter (4.8mm-6.3mm), length (13mm-300mm), thread type, point style, and surface treatment according to your specific requirements.

Q:What are the common applications for these screws?

They are suitable for metal-to-metal fastening, metal-to-wood fastening, and are ideal for roofing, walling, and fencing profiles.

Q:What packing methods do you offer?

We offer Bale Packing (25kg/bag, 1 ton/box) and Individual Packing (small box + master carton + pallet), or custom packing as requested.