Can you provide custom or non-standard products?

Yes, for special or non-standard products, please provide drawings, photos, or samples.

What surface finishes are available?

Options include Plain, Black Oxide, Zinc Plated (Clear/Blue/Yellow/Black), Hot Dipped Galvanized, Nickel, Chrome, PTFE, Dacromet, Geomet, and Magni.

Are free samples available?

Yes, we provide free samples for customers to check quality before placing orders.

Durable Hexagon Socket Head Screws Black Fine Thread Bolts

Name: Durable Hexagon Socket Head Screws Black Fine Thread Bolts
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2315041715

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

US$0.12

10,000 Pieces

Product specifications

M

Product profile

Customization

Available

Material

High Strength Steel

Type

Hexagon Head

Model NO.

DIN912 M6-M12 Black Fine Thread Hex Hexagon Socket

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Specification

M3, M4, M6, M8-M20

HS Code

7415290000

Production Capacity

5000ton/Year

Key features

Full Thread Design: Continuous thread from start to finish for flexible nut engagement and adjustable clamping.

High Strength Grades: Available in 8.8, 10.9, and 12.9 grades for superior load-bearing performance.

Global Standard Compliance: Meets DIN 933/931, ANSI, ISO, and other international standards for interchangeability.

Wide Material Options: Carbon steel, alloy steel, stainless steel (A2-70/A4-80), and brass available.

Extensive Finish Choices: Options include Zinc Plated, Hot Dipped Galvanized, Black Oxide, and Dacromet.

Large Size Range: Diameters from M4 to M64 and lengths up to 800mm or 30 feet.

High Supply Capacity: Supply ability of 1000 tons per month ensures timely delivery for large orders.

Free Samples Available: Customers can request free samples to verify quality before placing bulk orders.

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: ≤0.04hTerms 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 standards do these bolts comply with?

Our bolts comply with DIN 933/931, ASME/ANSI B 18.2.1, IFI 149, ISO 4014/4017, and other international standards.

Q:What materials are available for these screws?

We offer Carbon Steel, Alloy Steel, Stainless Steel (A2-70, A4-70, A4-80), and Brass.

Q:What is the minimum order quantity?

The minimum order quantity is 1000 pcs, but it can be adjusted according to customer demand.

Q:What payment terms do you accept?

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

Q:What is the lead time for production?

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

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