Factory Direct Black Oxide 10.9 Grade Structural Hex Bolt and Nut for Engineering Projects

Name: Factory Direct Black Oxide 10.9 Grade Structural Hex Bolt and Nut for Engineering Projects
Brand: Guangzhou Strong Metal Co., Ltd
SKU: 2289523585

Guangdong, ChinaGuangzhou Strong Metal Co., Ltd

US$0.01

100-999 Pieces

US$0.008

1,000-4,999 Pieces

US$0.006

5,000-9,999 Pieces

US$0.005

10,000-49,999 Pieces

US$0.004

50,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Connection

Structural Bolt / Fastening Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Polishing

Length

Customized (6mm-300mm)

Other Material

Stainless Steel 201 / 304 / 316 / 316L / 410 / 430

Other Finish

HDG / Zinc / Dacrome / Blackening

Grade Level

A2-50 / A2-70 / A4-70 / A4-80

Stainless Steel

201 / 304 / 316 / 316L / 410 / 430

Sample

Free Sample Available, Buyer Pays Freight

OEM & ODM

OEM / ODM / Customized to Drawings & Samples

Transport Package

Carton + Pallet / Wooden Box

Specification

M3-M64

Trademark

Strong Metal

Origin

Hebei, China

HS Code

7318150001

Production Capacity

3000 Tons/Month

Key features

Made of premium carbon steel, alloy steel or stainless steel, with Grade 4.8/8.8/10.9/12.9 strength available. Strict quality control ensures excellent hardness, toughness and long service life for he

CNC machined with uniform, smooth threads for easy assembly and reliable locking. Compliant with DIN, ISO, GB and other international standards, ensuring consistent dimensions and interchangeability.

Custom sizes, lengths, thread types and grades are available. Multiple surface treatments (black oxide, zinc plating, hot-dip galvanizing) meet different anti-corrosion and application requirements, w

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Guangzhou Strong Metal Co., Ltd

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤1.12h

About Our Factory & Business Background

AddressNo. 1012, South Feng Hui, No. 618, Xingangdong Road, Guangzhou, Guangdong, China

Our Production Capability & Technical Expertise

Main ProductsStrong Metal, Carbon Nut, Carbon Steel Fastener, Hardware Nut, Building Hardwares, Stainless Steel Bolt and Nut, Carbon Steel Bolt, Hexagon Nut, Bolt and Nuts

Product Q&A

Q:What materials and strength grades do you offer for these fasteners?

We provide carbon steel, alloy steel, and stainless steel options, with grades ranging from 4.8 to 12.9. Each product undergoes strict hardness and tensile tests to ensure stable performance in heavy-duty applications.

Q:Can you customize fasteners according to our drawings or special requirements?

Yes, we support full customization including sizes, lengths, thread types, and surface treatments (black oxide, zinc plating, hot-dip galvanizing). We also comply with DIN, ISO, GB, and ASTM standards to meet different market needs.

Q:What is your lead time and minimum order quantity?

For standard products, we can ship within 7-15 days. Custom orders take 15-30 days depending on the quantity. The MOQ is flexible, and we also offer OEM/ODM services with reliable after-sales support.