What payment terms do you accept?

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

Do you offer heat treatment services?

Yes, we provide carburization, tempering, or high-frequency quenching.

Oppu Stainless Steel Combination Screw with Spring Washers Bolt

Name: Oppu Stainless Steel Combination Screw with Spring Washers Bolt
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 1994017261

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

US$0.05-0.10

10,000 Pieces

Product specifications

M

Product profile

Customization

Available

Standard

DIN, ANSI, GB, JIS, BSW

Material

Stainless Steel

Model NO.

Stainless Steel Assemblies Hex Socket Cheese Head

Connection

Female

Surface Treatment

Galvanized Sheet

Head Type

Round

Specification

M3, M4, M6, M8-M20

Trademark

oppu

Origin

Tianjin

HS Code

7415290000

Production Capacity

5000ton/Year

Key features

Pre-assembled SEMS Design: Screws with lock washers pre-attached to save assembly time and prevent lost parts.

Wide Material Options: Available in Carbon Steel, Stainless Steel (201, 304, 316, 410) for various environments.

Diverse Head Types: Includes flat, pan, hex, truss, button, round, slice, and oval heads.

Customizable OEM Service: OEM available according to customer drawings or samples for non-standard requirements.

Multiple Surface Finishes: Options include Plain, Galvanized, HDG, Nickel Plated, Ruspert, and Powder Coated.

Free Sample Availability: Samples are provided free of charge for customer evaluation.

ISO Management Certified: Manufacturer holds ISO9001:2015, ISO40001:2018, and ISO14001 certifications.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

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: ≤0.82hTerms 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 raw materials are available for the nuts?

We offer carbon steel, alloy steel, stainless steel, brass, and bronze.

Q:Which standards do your products comply with?

Our products meet DIN, ANSI, ASTM, JIS, GB, ISO, IFI, and non-standard specifications.

Q:What surface finishing options are available?

Options include galvanized (various colors), dacromet, zinc plated, nickel alloy plated, and polishing.

Q:Can you provide custom packaging?

Yes, we support bulk, small boxes, or customer-specific packaging requests.

Q:What is the average lead time for orders?

Both peak and off-peak season lead times are within 15 workdays.

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