What is the delivery time?

Off-season: 30 days/Peak season: 1-3 months.

Which markets do you export to?

We serve over 100 countries, including Europe, North America, South America, the Middle East, and Southeast Asia.

Can I become your distributor in my country?

Yes. We welcome distributors and long-term partners. Contact us for details.

Heavy-Duty Hex Nuts 276 and 400 for Extreme Industrial Use

Name: Heavy-Duty Hex Nuts 276 and 400 for Extreme Industrial Use
Brand: HOWIN Machinery Co., Ltd.
SKU: 2320956175

Jiangsu, ChinaHOWIN Machinery Co., Ltd.

US$1.00

1,000-4,999 Pieces

US$0.50

5,000+ Pieces

Product specifications

Material Grade

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Hexagon Head

Model NO.

N10276

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ISO, ASTM, ASME

Grade

12.9

Product Name

Hex Nuts

Keywords

Nuts

Feature

High Corrosion and Temperature Resistance

Usage

Marine, Power Generation, Pressure Vessels,

OEM Custom

Yes

ODM Custom

Yes

Package

Carton+Pallet

Thread

Metric, Unc and Unf; Coarse/Fine Thread

Surface Finish

Plain, Passivated, Polished, Black Oxide

Transport Package

Standard Packaging or Customized

Specification

Standard Specifications or Customized

Trademark

HOWIN

Origin

Jiangsu, China

HS Code

7318160000

Production Capacity

50000/Year

Key features

Extreme Corrosion Resistance: Withstands harsh chemicals, acidic environments, and thermal stress without losing mechanical integrity.

High Temperature Performance: Withstands thermal fatigue and stress from turbines and high-pressure steam in power generation.

Comprehensive Material Selection: Includes Hastelloy, Inconel, Monel, Duplex Stainless Steel, and other specialized alloys.

Custom Size Availability: Available in sizes M8 to M100 with customization based on drawings or samples.

Precision-Matched Geometry: Custom-matched to exact bolt geometry ensuring flawless thread engagement and maximum strength.

100% Project Compliance: Strictly follow required tolerances, markings, inspection standards, and document requirements.

OEM and ODM Services: Full customization from samples, designs, and flexible customization options available.

Complete Sourcing Solution: Focus on quality, accuracy, responsiveness, and dependable delivery for special alloy fasteners.

Company profile

High Repeat Buyers ChoiceCustomization from SamplesFlexible CustomizationOEM Services

HOWIN Machinery Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 0 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.98h

About Our Factory & Business Background

AddressNo.62 Beiyan Road, Beijiang Village, Dainan Town, Xinghua City, Taizhou, Jiangsu, China

Registered Capital1,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: one month

Minimum Order Quantity50 Pcs

Supply Chain Partners20

Our Production Capability & Technical Expertise

Main ProductsStainless Steel Part, Alloy Fastener, Alloy Nuts, Alloy Bolts

Production Lines2

Production MachinesSaw Machine, CNC Lathe, Laser Welding Machine, Full Automatic Lathe

QA/QC inspectors1 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers1 people

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Main MarketsDomestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Product Q&A

Q:Are you a trading company or a manufacturer?

Manufacturer, specializing in special alloy fasteners and custom metal parts. Our annual production capacity is about 500,000 tons.

Q:What products do you mainly supply?

Bolts, nuts, screws, studs, threaded rods, washers and other standard or non-standard fasteners.

Q:What materials can you produce?

Incoloy, Inconel, Monel, Hastelloy, high-temp alloys, duplex stainless steel, super austenitic stainless steel, and other corrosion-resistant alloys.

Q:Do you accept custom or non-standard orders?

Yes. We specialize in non-standard customization.

Q:How do you ensure product quality?

We ensure quality from raw material checks to production, dimensional and thread inspection, and final packing. Material certificates and third-party inspection available.