What tools for nut installation and removal?

Use wrenches, sockets, impact wrenches. Torque wrenches for precise torque.

Are there special nuts for specific uses?

Yes. Wing nuts for easy hand - tightening; flange nuts for high - vibration; hex socket nuts for compact fastening.

Heavy-Duty Galvanized Flat Washer Set for Reliable Construction

Name: Heavy-Duty Galvanized Flat Washer Set for Reliable Construction
Brand: Handan Jiangu New Material Technology Co., Ltd.
SKU: 2153280432

Hebei, ChinaHandan Jiangu New Material Technology Co., Ltd.

US$0.09

1,000 Pieces

Product specifications

flat gasket

8221.2

8241.2

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Type

Flat Gasket

Material

Carbon Steel

Model NO.

8*20*1.2

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Use1

Bolt

Use2

Solar Panel Mount

Use3

Steel Structure

Use4

Architecture

Transport Package

Carton Packaging Pallet

Specification

8*20*1.2

Origin

China, Handan

HS Code

7318150000

Production Capacity

150 Tons Per Month

Key features

Corrosion Resistance: Made of high-quality stainless steel for rust prevention and long lifespan.

Wide Application Range: Suitable for photovoltaic, construction, marine, mechanical, and automotive industries.

Custom Components: We provide various special-shaped components beyond standard imagination.

Fast Delivery: Off-season lead time is within 15 workdays; peak season is one month.

Global Export: Exporting to North America, Europe, Asia, Africa, and Oceania via FOB terms.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityFast DeliveryCustomization from Samples

Handan Jiangu New Material Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2025-03-01Nearest Port: tianjin, qingdao, guangzhouAverage Response Time: ≤0.91hTerms of Payment: T/T, LC, D/PInternational Commercial Terms(Incoterms): FOB

About Our Factory & Business Background

AddressSouth Mingyang Village, Linmingguan Town, Yongnian District, Handan, Hebei, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsStainless Steel Bolt, Hexagonal Bolt, Nut, Photovoltaic Bolt, Eye Bolt, U-Bolt, Chemical Anchor Bolt, Wood Screws

Our Industry Experience & Global Business Record

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

Product Q&A

Q:What materials are nuts made of?

Common materials are carbon steel, stainless steel, brass, and nylon. Carbon steel offers strength but rusts; stainless steel resists corrosion; brass is non-magnetic and anti-corrosive; nylon prevents loosening and vibration.

Q:What's the difference between a nut and a bolt?

Nuts have internal threads and pair with externally threaded bolts. Bolts pass through parts, and nuts secure them.

Q:How to prevent nuts from loosening?

Use lock nuts, apply thread - locking compounds, or add mechanical lock devices like spring washers.

Q:How to prevent nuts from corroding?

Pick corrosion - resistant materials (stainless steel, galvanized steel), apply anti - corrosion coatings, and maintain

Q:How to choose nut size and specification?

Match nuts to bolts. Consider bolt thread diameter, pitch, load, and space. Refer to standards or experts.