What is the lead time for orders?

Delivery time is 20-30 days after receiving payment. Peak season lead time is within 15 workdays to 3 months.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 10 Pieces.

Which international standards do you follow?

We follow DIN, ASME, ANSI, ISO, UNI, JIS, GB, BSW, and GOST standards.

Manufacture Price DIN7991 Black Oxide 12.9 Grade Countersunk Hex Socket Head Bolt

Name: Manufacture Price DIN7991 Black Oxide 12.9 Grade Countersunk Hex Socket Head Bolt
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2120928702

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.05

1,000-9,999 Pieces

US$0.03

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Streel/Alloy Steel/Stainless Steel/Brass

Type

Countersunk Head

Model NO.

DIN 7991

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8/8.8/10.9/12.9/A2-70/A4-80

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Zinc Plated/Black Oxide/Plain/PTFE/HDG/Dacromet

Product Name

Countersunk Hex Bolts

Brand

G&T

Thread

Unc/Unf/Metric

Service

OEM ODM Custom Service

Coating

Zinc Plated/Black Oxide/PTFE/Dacromet/HDG/etc

Transport Package

Carton+Pallet

Specification

M3-M24, According to customer's demand

Trademark

Origin

Shanghai

HS Code

7318151001

Production Capacity

50000 Pieces/Year

Key features

Extensive Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel, Brass, and special materials for extreme conditions.

Wide Size Range: Product sizes cover M3 to M150, with lengths ranging from 5mm to 12 meters.

Multiple Surface Finishes: Options include Zinc Plated, Black Oxide, PTFE, HDG, Dacromet, and Plain finishes.

Global Standards Compliance: Meets DIN, ASME, ANSI, ISO, UNI, JIS, and other international standards.

OEM/ODM Custom Service: Supports customization from samples, designs, and full customization with professional R&D.

High Grade Options: Available in grades 4.8, 8.8, 10.9, 12.9, A2-70, and A4-80 for various strength needs.

20+ Years Experience: Over two decades of experience in producing and exporting high-quality fasteners globally.

One-Stop Procurement: Provides a complete solution for standard and non-standard fasteners including bolts, nuts, and screws.

Company profile

High Repeat Buyers ChoiceMulti-language PioneerExperienced TeamExhibition Experience

Shanghai Borui Metal Products Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.88hTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressShanghai, China

Plant Area697.9 square meters

Number of Employees41

Registered Capital1,000,000 RMB

International Commercial Terms(Incoterms)FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, Others

Average Lead TimePeak Season Lead Time: within 15 workdays, one month, 1-3 months Off Season Lead Time: within 15 workdays, one month, 1-3 months

Minimum Order Quantity10 Pieces

Our Production Capability & Technical Expertise

Main ProductsBolt, Nut, Thread Rod, Washer, Rivet, Screw, Stud Bolt, Stud

R&D Engineers5 people

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff22

New Products Launched in Last yearNo

Product Q&A

Q:What materials are available for these bolts?

We offer Carbon Steel, Alloy Steel, Stainless Steel (S304, S316, etc.), Brass, and special materials for ultra-high/low temperature or corrosion scenarios.

Q:What is the size range of the countersunk bolts?

The product size covers M3 to M150, with lengths ranging from 5 millimeters to 12 meters.

Q:Can I customize the bolts with my own design?

Yes, we provide OEM/ODM services including customization from samples, designs, and full customization.

Q:What surface treatments are available?

Options include Zinc Plated, Black Oxide, Plain, PTFE, HDG, and Dacromet.

Q:What are the payment terms?

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