What certifications do your products have?

Our products are certified with RoHS and CE standards.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, and Western Union.

What types of spring lock washers do you supply?

We supply Regular type, Extra-duty helical, High Collar helical, and Heavy type helical spring lock washers.

American Standard ANSI B18.21.1 Spring Lock Washers

Name: American Standard ANSI B18.21.1 Spring Lock Washers
Brand: NINGBO TRANSHOW FASTENER CO., LTD.
SKU: 738208575

Zhejiang, ChinaNINGBO TRANSHOW FASTENER CO., LTD.

US$0.02

100,000 Pieces

Product profile

Customization

Available

Type

Spring Washer

Material

Carbon Steel

Model NO.

#4-3 inch

Combination Washer Structure

A Type

Combination Washer Packaging

Spring Washer Type

Standard

Washer Type

Spring Lock Washer

Washer Material

70 Steel, 65mn Steel

Size

#4 to 3 Inch

Color

Black, Yellow, Zinc, HDG

Russian

GOST6402

Metric

DIN127, 128

Transport Package

Carton, Pallet, Bucket

Specification

M3 up to M56

Trademark

Origin

China(Mainland), Zhejiang

HS Code

731822

Production Capacity

300 Tons/Month

Key features

Wide Material Selection: Available in Carbon Steel, Stainless Steel 18-8, SS316, and various alloys.

Flexible Customization: Supports full customization from samples or designs for size and material.

Multiple Surface Finishes: Options include Black, Plain, Zinc, Yellow Zinc, and Hot Dip Galvanized.

Comprehensive Size Range: Sizes available from #4 up to 3 inch, covering regular to extra-duty types.

Standard Compliance: Meets ASME B18.21.1 standards for helical spring-lock washers.

High Hardness Options: Carbon steel offers 38-46 HRC; Stainless steel offers 35-43 HRC.

Stock Availability: Customized 1/4 up to 1 inch sizes are available in stock for quick delivery.

Versatile Applications: Compensates for looseness and distributes load for various head styles.

Company profile

High Repeat Buyers ChoiceProduct CertificationIn-stock CapacityImporters and Exporters

NINGBO TRANSHOW FASTENER CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Ningbo Port， Shanghai PortAverage Response Time: ≤7.61h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressZhouhan Village, Jiangshan Town Yinzhou District, Ningbo, China

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

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity1000 Pcs

Supply Chain Partners22

Our Production Capability & Technical Expertise

Main ProductsScrews, Bolts, Nuts, Rivets, Washers, Pins, Flange Bolts, Hex Bolts, Self Tapping Screws, Wood Screws

R&D Engineers1 people

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Australia

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Product CertificationRoHS, CE

Product Q&A

Q:What materials are available for these spring lock washers?

We offer Carbon Steel (#70 Steel, 65Mn Steel), Stainless Steel (18-8, SS316), Aluminium Alloy, Phosphor Bronze, Silicon Bronze, Nickel-Copper-Alu, and Alloy Steel.

Q:Can I customize the size and color of the washers?

Yes, we provide flexible customization. Sizes range from #4 to 3 Inch, and colors/finishes include Black, Yellow, Zinc, and HDG based on your requirements.

Q:What is the minimum order quantity (MOQ)?

The Minimum Order Quantity is 1000 Pcs.

Q:What are the lead times for production?

The average lead time is one month for both peak season and off-season.

Q:Are there any specific sizes available in stock?

Yes, customized 1/4 up to 1 inch sizes are available in stock for immediate shipment.