What is the typical delivery time?

Delivery time is normally 15-30 days. For customized orders, it depends on manufacturing and is typically 7-30 days.

Do you provide quality certificates?

Yes, we provide ISO, GS, RoHS, and CE certifications. A 3.1 Certificate can be provided after production upon request.

What payment terms do you accept?

We accept T/T (with at least 30% deposit), LC, D/P, PayPal, Western Union, and Money Gram.

Industrial DIN 912 Class 10.9 12.9 Black Phosphated Hexagon Socket Cylinder Bolt

Name: Industrial DIN 912 Class 10.9 12.9 Black Phosphated Hexagon Socket Cylinder Bolt
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2267853665

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.24

500-999 Pieces

US$0.16

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.06

10,000-99,999 Pieces

US$0.02

100,000+ Pieces

Product specifications

M3-M100

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy

Surface Finishing

Black Oxide

Model NO.

GT HSB-4

Certification

ISO, GS, RoHS, CE

Customized

Color

Natural Color

Delivery Time

7-15 Days

Service

OEM/ODM Is Available

Payment Term

T/T (at Least 30% Deposit)

Sample

Available, Contact Us for Further Details

Shipping Terms

EXW, Fob, CIF, DAP, DDU, DDP...

MOQ

1000 PCS If Customization

Shipping Method

Express (DHL, UPS, FedEx...), by Sea, by Air...

Lead Time

7-30 Days Depends on Manufacturing

Included Parts

Could Add Nuts, Spring Washers, Flat Washers...

Quality

3.1 Certificate Could Be Provided After Production

Transport Package

Paper Cartons + Wooden Pallets

Specification

M2-M100

Trademark

Origin

Jiangsu, China

HS Code

7318151001

Production Capacity

500 Tons Per Year

Key features

High Tensile Strength: Alloy steel with 170,000 psi tensile strength, stronger than Grade 8.

Corrosion Resistance Options: Black oxide for dry environments; zinc-plated or zinc-flake for wet/corrosive conditions.

Thread Versatility: Available in coarse, fine, and extra-fine threads to prevent loosening from vibration.

Full Customization: Customized color, material, and packaging available via OEM/ODM services.

Strict Quality Standards: Complies with ASTM A574, ISO 898-1, and ASME B18.3 dimensional standards.

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

Certified Quality: ISO, GS, RoHS, CE certified; 3.1 Certificate available after production.

Global Supply Capability: Serving 1,000+ customers in 200+ countries with 20+ years of experience.

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: ≤2.61hTerms 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 is the tensile strength of these screws?

These alloy steel screws have a tensile strength of 170,000 psi, making them stronger than Grade 8 steel screws.

Q:Are these screws suitable for wet environments?

Standard black-oxide screws are for dry environments. For wet environments, we offer zinc-plated or zinc-flake-coated options for superior corrosion resistance.

Q:What thread types are available?

We offer coarse threads (industry standard), fine threads, and extra-fine threads. The finer the thread, the better the resistance to loosening from vibration.

Q:Can I customize the color and packaging?

Yes, we provide OEM/ODM services. Customized colors (Plain, Black, Natural, Blue, Grey, Yellow, Green, Red) and specific packaging (Cartons & Pallets) are available.

Q:What is the minimum order quantity for customized items?

The MOQ for customized items is 1000 PCS. For standard items, the MOQ is 10 Pieces.