What certifications does the company hold?

We hold ISO9001:2015 certification, and our products are SGS, RoHS, and PPAP certified.

What is the warranty policy?

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

How do you ensure product quality?

We perform 100% inspection (visual and function) before shipment, supported by advanced testing equipment like CMM and Salt Spray Test.

High-Class Nut and Bolt Direct Manufacturer

Name: High-Class Nut and Bolt Direct Manufacturer
Brand: Shenzhen In-sail Precision Parts Co., Ltd.
SKU: 685437352

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

US$0.01

100 Pieces

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Model NO.

Metric, Inch, DIN, OEM

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, JIS, BSW

Grade

8.8

Application

Machinery

Finish

Black

Item Name

Nut and Bolt

Model No.

Machine Bolt

Series

Round Head

Surface Treatment

Black,Plain,Passivating,Color-Zinc,Blue-White Zin

Design

OEM Services Provided

Inspection

100% QC Steps Inspect Before Shipment

Manufacture Processing

Cold Heading,Machining,Automatic Lathe

Export Markets

Global

Transport Package

PE Bag + Cartons, Blister Packing, Pallets

Specification

SGS, Material certification, PPAP

Trademark

In-saiL

Origin

Shenzhen, China

HS Code

7415290000

Production Capacity

100k PCS/Week

Key features

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

Wide Material Selection: Supports Aluminum, Brass, Stainless Steel, Carbon Steel, and more per requirements.

Comprehensive Surface Finish: Provides plating, anodizing, painting, galvanizing, and oxide coating options.

Strict Quality Control: 100% inspection before shipment with ISO9001:2015 and SGS certifications.

Advanced Manufacturing: Equipped with CNC lathes, milling centers, and automatic heading machines.

Low Minimum Order: Accepts orders starting from just 1 PC for prototyping or small batches.

Fast Delivery Lead Time: Standard lead time is 5-15 working days for both peak and off-season.

Lifetime Warranty: Provides replacement at no cost for any rejected products.

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: ≤1.49h

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.