Do you provide quality certifications?

Yes, we are ISO9001:2015 certified and provide SGS, RoHS, and material certificates. All products undergo 100% inspection before shipment.

What is the warranty policy for these products?

We provide a warranty that includes replacement at our cost for any rejected products.

What are the payment terms?

We accept various payment methods including LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

High-Grade Fasteners Manufacturer Bulk Supply

Name: High-Grade Fasteners Manufacturer Bulk Supply
Brand: Shenzhen In-sail Precision Parts Co., Ltd.
SKU: 685437222

Guangdong, ChinaShenzhen In-sail Precision Parts Co., Ltd.

US$0.001

1,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

Metric, Inch, DIN, OEM

Groove

Hexagon or Word

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, BSW, JIS, GOST

Grade

12.9

Item Name

Fastener

Model No.

Machine Screw

Series

Round Head

Surface Treatment

Black, Color-Zinc, Blue-White Zin

Design

OEM Services Provided

Application

Machinery, Chemical Industry, Environmental

Inspection

100% QC Steps Inspect Before Shipment

Manufacture Processing

Cold Heading

Export Markets

Global

Custom Support

OEM, ODM

Transport Package

PE Bag + Cartons, Blister Packing

Specification

Metric, Inch

Trademark

In-saiL

Origin

Shenzhen, China

HS Code

8538900000

Production Capacity

100k PCS/Week

Key features

OEM/ODM Customization: Full customization from samples or designs, including surface treatment and material selection.

100% Quality Inspection: Rigorous 100% QC steps including visual and function inspection before shipment.

Wide Material Options: Supports Carbon Steel, Stainless Steel, Brass, Aluminum, and more based on requirements.

Advanced Manufacturing: Equipped with CNC lathes, milling centers, and cold heading machines for precision parts.

Diverse Surface Treatment: Offers plating, anodizing, painting, powdering, and galvanizing for corrosion resistance.

Certified Quality System: ISO9001:2015 certified with SGS, RoHS, and material certificates for reliability.

Low MOQ Flexibility: Minimum Order Quantity starts from just 1 PC, suitable for prototyping and small batches.

Fast Delivery: Lead time of 5-15 working days with multiple shipping options like DHL, UPS, and FedEx.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedPatents Awarded

Shenzhen In-sail Precision Parts Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.42h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and product-development capabilities, including 3D software design, ODM services, and new products developed within the past year. It reports eight production lines, 21–30 quality-control staff, 11–20 years of cumulative R&D engineer experience, documented finished-product inspection instructions, and several management-system certifications. Export experience is established at 17 years, with exports representing 41%–50% of total sales and quotations available under FOB, CIF, CFR, and EXW terms. However, supplier-management, corrective-action, and complaint-handling procedures lack written records; there is no overseas warehouse, showroom, agent or branch, or offline trade-show participation. No valid manufacturing contract with related subcontractors and no SDK availability are also reported. Customer cases are not provided.

Supplier typeThe supplier provides ODM services, has 17 years of export experience, and operates eight production lines. Its overseas service footprint is limited because it reports no overseas agents or branches and serves zero listed countries directly.

CertificationsThe supplier reports TS 16949, ISO 14001, ISO 9001, ISO 14000, and ISO 22000 certifications, along with quality assurance in its quality-control processes. This is explicit evidence of multiple certifications and a stated quality-assurance function, although certification validity details are not provided.

After-Sales capabilityThe supplier has a customer-complaint procedure, but no written complaint-handling records, and its corrective and preventive action procedure also lacks written records. It has no overseas warehouse, showroom, agents, or branches, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports 3D software design services, ODM capability, and new products within the past year, supported by 11–20 years of cumulative R&D engineer experience. However, it reports no available SDK, so the evidence supports product-development capability but not SDK-based development.

Production capacityThe supplier operates eight production lines, has in-stock capability, uses numerous inspection and manufacturing-related instruments, and follows uniform finished-product inspection instructions. Average lead time is within 15 working days in both peak and off-season, but no valid contract exists with related subcontractors, creating a documented manufacturing-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, flexible customization, and minor customization, and also provides 3D software design and ODM services. These statements directly demonstrate broad customization coverage.

Product Q&A

Q:What materials are available for these fasteners?

We support various materials including Carbon Steel, Stainless Steel, Brass, Aluminum Alloy, and others according to customer requirements.

Q:Can I customize the fasteners with my own design?

Yes, we provide full OEM/ODM services, including customization from samples, designs, and flexible minor modifications.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is very flexible, starting from just 1 PC, making it suitable for both prototyping and mass production.

Q:What surface treatments do you offer?

We offer a wide range of treatments including Zn/Ni/Tin plating, copper-plating, hot-dip galvanizing, black oxide, anodizing, painting, and powder coating.

Q:How long is the lead time for production?

The typical lead time is 5-15 working days, regardless of peak or off-season periods.