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Fastener Inserts China Factory: Durable Self-Tapping Inserts with Zinc Yellow Finish
US$0.01-0.10
1,000 Pieces
Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Common

Model NO.

Self-Tapping Inserts Hardened Steel

Usage

Building, Machinery, Medical, Rocket, Shipping, Chemical

Rotation Direction

Right Rotation

Surface Finishing

F Colour,Zinc Plated

Certification

ISO, CE, ISO9001 CE

Customized

Customized

Delivery

20-30 Days

Finish

Zinc Yellow Plated

Packag Color

Customizable

Thread Standard

Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine

Custom Order

Customization by Drawing/Sample

Price Terms

Fob/CFR/CIF/DDP

ODM/OEM

Available

Service

Custom-Made Service

Material Test Certificate

Have

Sample

Provide Samples But Do Not Include Freight.

Quality Control

100% Quality Inspection

Application

Connection,Fastening

MOQ

300kg

Transport Package

Bulk Pack Small Boxed

Specification

internal: M3-M20 External: M5-M26

Trademark

Qewitco

Origin

China

HS Code

731815

Production Capacity

10000ton/Year

Key features

Self-Tapping Design: Forms strong internal threads without pre-tapping, eliminating pre-tapping steps.
Wide Cutting Slot: Cuts base material for matching threads during insertion for rapid assembly.
Tapered Guide Nose: Offers excellent positioning and guiding, aligning with the hole to enhance efficiency.
Thread Repair & Reinforcement: Quickly repairs worn threads and reinforces connections needing frequent disassembly.
Customization Available: Supports customization by drawing or sample with flexible thread standards.
100% Quality Inspection: Every product undergoes 100% visual inspection before packing.
Zinc Yellow Finish: Provides durable zinc plating for corrosion resistance and aesthetic appeal.
Low Installation Torque: Fine external thread design reduces torque and minimizes material damage.

Company profile

Qewitco Fasteners Co., Ltd
Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-12-05Average Response Time: ≤0.47hTerms of Payment: T/T

AI-Powered supplier vetting

SummaryThe supplier demonstrates established export experience, with 90% of sales from exports and 22 years of exporting. It has ISO9001:2015 certification, raw-material traceability, quality assurance, and 100% finished-product inspection, although inspection is performed by packing staff and only two quality inspectors are reported. Customization is broad, covering samples, designs, full customization, minor customization, and flexible customization. Service strengths include in-stock capability, stated lead times within 15 workdays in both peak and off-season, and multiple payment and quotation terms. Limitations include no overseas warehouse, showroom, agent, branch, or overseas service-country coverage, no Fortune 500 cooperation, no new products launched in the last year, one R&D engineer, no popular-brand OEM, and an undocumented corrective/preventive-action process. Financial credibility cannot be assessed because the provided financial figures are excluded from evaluation.
Supplier typeThe supplier is strongly export-oriented, reporting 90% export sales and 22 years of export experience. It can provide in-stock service and accepts FOB, CIF, CFR, and EXW terms, but reports no overseas warehouse, showroom, agent, branch, or overseas service-country coverage.
CertificationsThe supplier reports an ISO9001:2015 certificate for both sustainable development management and management systems, plus other product compliance or sustainability certifications. The specific additional certifications are not identified, so the evidence supports ISO9001 holding but not broader certification strength.
R&D capabilityThe supplier reports one R&D engineer and no new products launched during the previous year. It also reports no available SDK and no popular-brand OEM capability, which indicates limited documented innovation evidence.
Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection, quality assurance, four own-brand quality-control capabilities, inventory capacity, and lead times within 15 workdays in both peak and off-season. Only two quality inspectors are reported, and finished products are checked by packing staff, so production capability is positive but quality-control depth is limited.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:What if I don't know the right pilot hole size for my base material?
A:
Consult the pilot hole table or contact support with material details for guidance.
Q:Can Type ES/302 inserts be reused after disassembly?
A:
Reuse is not recommended; it may weaken connection or damage material.
Q:Is there an exception to the 300kg MOQ for small-batch trials?
A:
Yes, new B2B customers can request 50-100kg trials by detailing their use case.
Q:What if received inserts have surface defects or size deviations?
A:
Send defect photos and batch details within 7 days for replacement or refund.
Q:Do you offer OEM for non-standard thread sizes or lengths?
A:
Yes, provide specs and volume, with 25-40 days lead time and test samples.

Send Inquiry

*To:Qewitco Fasteners Co., LtdQewitco Fasteners Co., Ltd
*Content:
0/4000

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