What materials are used for these bolts?

We use Medium Carbon Steel or Alloy Steel, with grades including ASTM A325.

What is the minimum order quantity?

The minimum order quantity is 10 pieces.

How do you ensure product quality?

We perform 100% inspection using calipers, tensile testers, and other advanced equipment.

2" Black Oxide Hex Bolt

Name: ASTM A325 1/4" 3/4" 1/2" 1-1/2" Black Oxide Hex Bolt
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2240889815

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.04

1,000-9,999 Pieces

US$0.03

10,000-99,999 Pieces

US$0.02

100,000+ Pieces

Product specifications

Diameter

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Medium Carbon Steel/Alloy Steel

Type

Hexagon Head

Model NO.

A325 Hex bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST, En/ASME/ASTM

Grade

A325

Application

Machinery, Chemical Industry, Environmental, Building, Heavy Industry/General Industry

Finish

Black Oxide/Black Zinc

Thread

Unc/Unf

Measurement System

Imperial

Quality Control

100% Inspection

Sample

Sample Avaliable

Deliver Port

China

Delivery Time

30-35days

Service

OEM ODM

Transport Package

Carton+Pallet

Specification

1/4"-4", according to customer request

Trademark

Origin

China

HS Code

731815

Production Capacity

50000PCS/Month

Key features

Wide Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, GOST, and ASTM standards with custom options.

Customizable Dimensions: Diameter ranges from 1/4 to 4 inches, tailored to customer requests.

OEM and ODM Services: Full customization from samples or designs available for all orders.

Comprehensive Quality Control: 100% inspection with advanced testing equipment including tensile and hardness testers.

Fast Response Time: Customer inquiries and technical support provided within 24 hours.

Flexible Packaging Options: Bulk cartons or custom pallets available to meet specific shipping needs.

Sample Availability: Samples are available for verification before bulk production.

Diverse Application Range: Suitable for structural steel, oil & gas, wind energy, and automotive industries.

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: ≤2.51hTerms of Payment: LC, T/T, D/P, etc.