What payment terms do you accept?

We accept LC and T/T payment terms.

What types of shanks are available?

We provide smooth, fluted, twisted, spiral, and straight shank options.

Where is the nearest port for shipping?

The nearest port is Qingdao Port.

4inch 55HRC Hard Steel Concrete Nails for Building

Name: 4inch 55HRC Hard Steel Concrete Nails for Building
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2246039125

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$400.00-900.00

5 Tons

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Iron

Raw Material

45# Carbon Steel

Type

Concrete Steel Nail

Head Style

Round Head

Shank

Smooth , Twist

Shank Dia.

2-6mm

Length

18-120mm

Finish

Galvanized/Hot Dipped/Colorful Plating/Red/Blue

Packing Details

1-25kgs/CTN

Transport Package

Bulk Packing, Color Box + Carton + Pallet

Specification

SGS

Trademark

Origin

China

HS Code

73170000

Production Capacity

1000ton/Month

Key features

High Hardness Material: Made from 45#, 55#, 60# high carbon steel with 55HRC hardness for superior strength.

Strong Penetrability: Designed to pierce hard masonry and brittle materials where ordinary nails fail.

Versatile Shank Types: Available in smooth, fluted, twisted, spiral, and straight shank options.

Multiple Finish Options: Offers electric galvanized, phosphated, hot dip galvanized, and colorful plating finishes.

Wide Size Range: Diameter 2-6mm and Length 18-120mm to suit various construction needs.

OEM and ODM Services: Full customization available from designs and samples for unique requirements.

Anti-Bending Safety: Features excellent anti-bending and anti-crack properties for secure fixing.

Flexible Packaging: Packaging options include bulk cartons, wooden boxes, and various box sizes.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.55h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.