What is the delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We deliver as soon as possible while guaranteeing quality.

How to customize products (OEM/ODM)?

Send us your new product drawing or sample. We will custom-make the hardware as required and provide professional advice to maximize performance.

Which mode of transport is recommended?

Generally, we advise delivery by sea because production items are heavy. However, we respect your views on other transportation methods as well.

Fastener M27 24 22 20 Serrated Lock Washers External Teeth Washer

Name: Fastener M27 24 22 20 Serrated Lock Washers External Teeth Washer
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1993570802

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

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

Multiple Surface Finishes: Options include Plain, Zinc Plated, Black Oxide, Nickel, Chrome, H.D.G, and PTFE.

Strict Quality Control: Adheres to ISO9001:2008 procedures with strict control from production to delivery.

High Precision Capability: Can strictly follow drawing tolerances to provide high precision custom parts.

Flexible Customization: Supports OEM/ODM services with customization from samples, designs, or full customization.

Comprehensive Standards: Meets ASME/ANSI, DIN, GB, and other international fastener standards.

Competitive Pricing: Offers high quality products at competitive prices with timely delivery.

Professional Experience: Over 10 years of experience in the fasteners industry with strong technical support.

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: ≤1.82h

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:Why choose your company for fasteners?

We provide first-class service, minimize costs, and offer professional customer service with technological innovation. We aim to be your first choice supplier and provide market sales suggestions.

Q:How is product quality ensured?

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

Q:What if I cannot find the product on your website?

You can send pictures, photos, or drawings by email for us to check. We develop new models monthly. Alternatively, send samples via DHL/TNT, and we can develop a new model specifically for you.

Q:Can you follow drawing tolerances for high precision?

Yes, we can strictly follow the tolerance on the drawing and meet high precision requirements, making parts exactly as per your drawing.

Q:How should I order and make payment?

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