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Is quality inspection performed before shipment?

Yes, 100% of finished products undergo visual and functional inspection by our QA/QC inspectors.

Durable Black Flat Head Hexagon Socket Bolts for Construction Use

Name: Durable Black Flat Head Hexagon Socket Bolts for Construction Use
Brand: Hebei Tengyun New Materials Co., Ltd
SKU: 2100097422

Hebei, ChinaHebei Tengyun New Materials Co., Ltd

US$0.10

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

1-1

Connection

Common Bolt

Head Style

Round

Standard

DIN

Grade

8.8

Application

Building

Finish

Black

Whether to Support Customization

Support

Use

Standard

Applicable Industries

Construction Industry, etc.

Product Grade

a-Level

Transport Package

Container

Specification

1-30

Trademark

Huilin

Origin

Handan, Hebei

HS Code

0101101010

Production Capacity

50000

Key features

Flat Head Design: Ensures flush integration with surfaces, preventing collisions and enhancing visual appeal.

Superior Torque Transmission: Internal hexagonal groove design offers efficient, slip-resistant tightening and loosening.

Multiple Material Options: Available in carbon steel, alloy steel, and stainless steel for diverse strength and corrosion needs.

Wide Strength Range: Carbon steel grades range from 4.8 to 12.9 to meet varied performance standards.

Full Customization Support: Supports customization from samples, designs, and flexible minor adjustments.

Versatile Applications: Ideal for mechanical manufacturing, electronic appliances, and furniture assembly.

100% Quality Inspection: Every finished product undergoes visual and functional inspection before packing.

Fast Lead Time: Production completed within 15 working days during both peak and off-peak seasons.

Company profile

R&D CapabilitiesProduction Process VisualizationQuality AssuranceHigh Repeat Buyers Choice

Hebei Tengyun New Materials Co., Ltd

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.31h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier offering 3D software design and multiple customization modes. Its stated business scope covers power equipment and electronic components, machinery and metal-related products. Production information includes seven production lines and lead times within 15 working days in both peak and off-season periods. However, the supplier reports no available SDK, no in-stock capability, no overseas warehouse, no overseas agents or branches, and no valid manufacturing contract with affiliated subcontractors. Quality and supplier-management controls appear limited because finished products are checked by packing staff, production batches are not continuously reconciled, outsourcing procedures are absent, and no written service-supplier assessment procedures are maintained. Environmental assessment documentation and recent fire-drill activity are reported, but no specific certifications, customer cases, or after-sales service arrangements are...

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its registered business scope spans power facilities and electronic components, mechanical parts, metal products, tools, structures, wire rope, chains, and related manufacturing and sales activities, indicating a broad industrial manufacturing and trading profile.

R&D capabilityThe supplier provides 3D software design services and is identified as having professional technical R&D capability, supporting some product-development capability. However, it explicitly has no available SDK, and the slices provide no information on patents, proprietary technologies, or measurable R&D outputs.

Production capacityThe supplier reports seven production lines and average lead times within 15 working days in both peak and off-season periods. Countervailing controls are weak: there is no valid manufacturing contract with affiliated subcontractors, no continuous production-quantity reconciliation, no outsourcing SOP, no in-stock capability, and finished products are checked by packing staff.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, indicating broad stated support for customized development and design work.