How is product quality ensured?

All processes strictly adhere to ISO9001:2008 procedures with strict quality control from producing to delivery, supported by strong technology and management.

Do you offer OEM/ODM services?

Yes, if you provide a new product drawing or sample, we can custom-make the hardware as required and provide professional advice to maximize performance.

ASME B18.21.1 Serrated Safety Star Washer External Tooth Lock Washer

Name: ASME B18.21.1 Serrated Safety Star Washer External Tooth Lock Washer
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1993580562

Shanghai, ChinaShanghai G&T Industry Co., Ltd.

US$1.00

1,000-9,999 Pieces

US$0.10

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Product profile

Customization

Available

Type

Lock Washer

Material

Carbon Steel

Model NO.

ASME/ANSI B18.21.1, DIN6797A, DIN6797J, DIN6798A,

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

#8-3/8", M2.7-M31

Trademark

G&T

Origin

Shanghai, China

HS Code

7616100000

Production Capacity

500 Tons/Month

Key features

Multi-Standard Compliance: Meets ASME/ANSI B18.21.1, DIN6797A/J, DIN6798A/J/V, DIN25201, and GB standards.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel, Brass, and Aluminium.

Customizable Dimensions: Diameter range from #8-3/8' to M2.7-M31, fully customizable to customer drawings.

Various Surface Finishes: Options include Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, H.D.G, and PTFE.

High Precision Manufacturing: Capable of strictly following drawing tolerances for high-precision parts and custom models.

Flexible OEM/ODM Service: Supports full customization from samples, designs, or drawings with professional advice.

Fast Delivery Time: Standard parts delivered in 7-15 days; non-standard parts in 15-25 days.

Strict Quality Control: Adheres to ISO9001:2008 procedures with strong technical support and management.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceFast DeliveryManagement Certification

Shanghai G&T Industry Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.80h

AI-Powered supplier vetting

SummaryShanghai G&T Industry Co., Ltd. is identified as a limited trading company offering bolts, nuts, threaded rods, stud bolts, and customized fasteners. The supplier reports broad customization, ODM capability, new products launched during the past year, and OEM service for well-known brands. Stated annual productivity includes 6,000 tons of thread rods, 5,000 tons of bolts, 5,000 tons of nuts, 3,000 tons of washers, and 3,000 tons of stud bolts. Service procedures include documented supplier assessment, corrective and preventive actions, and customer complaint handling, with lead times within 15 workdays in both peak and off-season. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, or inventory capability. Raw-material traceability, quality assurance status, outsourcing controls, and contract status are unknown. An audit by TUV Rheinland is recorded, but the audit type and evaluation result are not sufficiently interpretable from the provided values.

Supplier typeThe supplier is a limited company classified as a trading company, with a stated business scope covering metal materials, hardware, machinery, and related products. Its offered products are bolts, nuts, threaded rods, stud bolts, and customized fasteners, and it is not identified as part of a larger company group.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling. It has no overseas agents or branches, overseas warehouse, showroom, or in-stock service capability, which limits local and immediate after-sales support.

R&D capabilityThe supplier reports new products during the past year, ODM service, and multiple design-based customization options. It does not have an available SDK, but the available evidence supports product development and design capability.

Production capacityReported annual productivity is 6,000 tons of thread rods, 5,000 tons each of bolts and nuts, and 3,000 tons each of washers and stud bolts. Lead time is stated as within 15 workdays in both peak and off-season; however, the supplier also reports no inventory capability, while outsourcing procedures and manufacturing-capacity contracts remain unknown.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its product scope also expressly includes customized fasteners, and it reports ODM capability.

Product Q&A

Q:What standards does this washer comply with?

It complies with ASME/ANSI B18.21.1, DIN6797A, DIN6797J, DIN6798A, DIN6798J, DIN6798V, DIN25201, GB861.1, GB861.2, GB862.1, GB862.2, and GB956.1.

Q:What materials are available for this lock washer?

Materials include Carbon Steel, Alloy Steel, Stainless Steel, Brass, and Aluminium.

Q:Can you provide custom-made parts based on drawings?

Yes, we can strictly follow tolerances on drawings to provide high-precision parts and make parts exactly as your drawing requires.

Q:What is the delivery time for standard and non-standard parts?

Standard parts take 7-15 days, while non-standard parts take 15-25 days. We deliver as soon as possible with guaranteed quality.

Q:What are the payment terms?

Payment is by T/T. For samples, 100% payment with the order; for production, 30% deposit before production, and the balance before shipment.

Send Inquiry

*To:

Shanghai G&T Industry Co., Ltd.

*Content:

0/4000

Supplier replies will be sent to your registered email

ASME B18.21.1 Serrated Safety Star Washer External Tooth Lock Washer