What is the warranty policy?

We provide replacement at all our cost for rejected products.

What surface treatments are offered?

Options include Zn/Ni/Tin/Au Plating, Black Oxide, Anodizing, and various plating and coating services.

OEM Threaded Inserts for Metal with Black Oxide Coating

Name: OEM Threaded Inserts for Metal with Black Oxide Coating
Brand: Shenzhen In-sail Precision Parts Co., Ltd.
SKU: 862178835

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

US$0.18

100-999 Pieces

US$0.15

1,000-1,999 Pieces

US$0.098

2,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

L5030

Connection

Common Bolt

Head Style

Round

Standard

DIN, JIS, GOST, BSW, OEM

Grade

8.8

Model No.

Threaded Inserts for Metal

Series

Keenserts Self-Tapping Insert Nut

Surface Treatment

Zn/Ni/Tin/Au Plating,Black Oxide,Anodizing and So

Design

OEM Services Provided

Application

OEM Services Provided

Inspection

100% QC Steps Inspect Before Shipment

Manufacture Processing

Automatic Lathe/CNC Lathe

Export Markets

Global

Transport Package

PE Bag +Carton

Specification

Trademark

In-sail

Origin

Shenzhen, Guangdong

HS Code

7318160000

Production Capacity

500, 000PCS/Week

Key features

Heavy Duty Carbon Steel: Made from high-grade carbon steel with 8.8 grade strength for durability.

OEM Customization: Supports full customization from samples, designs, and flexible minor adjustments.

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

Wide Surface Treatment: Options include Zn/Ni/Tin/Au plating, black oxide, anodizing, and more.

Fast Lead Time: Standard production lead time is 5-15 working days for efficient delivery.

Global Certification: Complies with ISO9001, SGS, RoHS, and PPAP standards for global markets.

Versatile Application: Suitable for metal threading with round head style and common bolt connection.

Low MOQ: Minimum order quantity is just 1 PC, ideal for prototyping and small batches.

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.