What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Are customized sizes available?

Yes, customized sizes from M2 to M36 are available upon request.

M8-M20 by Oppu

Name: Threaded Inserts with Holes, Slot Type, M3/M4/M6/M8-M20 by Oppu
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2315355625

Tianjin, ChinaOPPU (Tianjin) Industrial Parts Co., Ltd.

US$0.02

1,000-4,999 Pieces

US$0.01

5,000-9,999 Pieces

US$0.005

10,000+ Pieces

Product specifications

M

Product profile

Customization

Available

Material

Carbon Steel

Type

Screw Lock

Model NO.

Wire Thread Insert

Usage

Building, Machinery, Medical, Rocket, Shipping

Rotation Direction

Left Rotation

Surface Finishing

Zinc Plated

Certification

ISO, GS, RoHS

Customized

Specification

M3, M4, M6, M8-M20

Trademark

oppu

Origin

Tianjin

HS Code

7415290000

Production Capacity

5000ton/Year

Key features

Superior Locking Strength: Resists rotational and pullout forces with permanent lock in tapped holes.

Durable Material Options: Available in Carbon Steel (C1215) or Stainless Steel (303/316) with CRES keys.

Wide Size Range: Sizes available from M2 to M36, including M3/M4/M6/M8-M20.

Multi-Industry Application: Suitable for Aviation, Automotive, Machinery, Medical, and Shipping industries.

Certified Quality: Certified by ISO, GS, RoHS, CE, and BSI standards.

Customizable Service: Offers customized solutions for specific industrial requirements.

Stock Availability: In-stock items available for quick delivery.

Company profile

Cooperated with Fortune 500Self-brandedFast DeliveryQuality Assurance

OPPU (Tianjin) Industrial Parts Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading CompanyExport Year: 2025-06-01Nearest Port: tianjinAverage Response Time: ≤0.57hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF

About Our Factory & Business Background

AddressTianjin Xiqing Automobile Industrial Zone (Zhangjiawo Industrial Zone), No. 11 Taijin Road, Zone 1, Tianjin, China

Plant Area2834 square meters

Number of Employees34

Registered Capital10,000,000 RMB

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1000 pcs

Supply Chain Partners200

Our Production Capability & Technical Expertise

Main ProductsHardware Fastener, Bolts, Nuts, Screws, Washer, Industrial Parts, Pins, Studs

Our Industry Experience & Global Business Record

Year of Establishment2012-08-06

Main MarketsAfrica, Domestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff3

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001, Others

Cooperated with Fortune 500Yes

Product Q&A

Q:What materials are available for these threaded inserts?

We offer Carbon Steel (C1215) and Stainless Steel (303/316) options, with keys made from 302 CRES.

Q:What is the locking mechanism of these inserts?

The locking keys are driven through the parent material's threads to ensure an unyielding and permanent lock.

Q:What surface finishes are provided?

Carbon Steel features a Zinc Phosphate finish, while Stainless Steel is passivated for protection.

Q:What certifications do your products hold?

Our products are certified by ISO, GS, RoHS, CE, and BSI.

Q:What is the minimum order quantity?

The minimum order quantity is 1000 pcs.

Send Inquiry

*To: