What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We make delivery as soon as possible with guaranteed quality.

How to custom-made (OEM/ODM)?

If you have a new product drawing or sample, please send it to us. We can custom-make the hardware as required and provide professional advice to maximize performance.

Which mode of transport would be better?

In general, production is heavy, so we advise delivery by sea. However, we respect your views on other transportation methods as well.

Hardware Lock Washers External Teeth Serrated External Tooth Lock Washer

Name: Hardware Lock Washers External Teeth Serrated External Tooth Lock Washer
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1996852452

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

Comprehensive Standards Compliance: Meets ASME/ANSI B18.21.1, DIN, GB, and ISO standards for global applicability.

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

Extensive Finish Options: Offers Plain, Zinc Plated, Black Oxide, Nickel, Chrome, H.D.G, and PTFE finishes.

High Precision Customization: Capable of strictly following drawing tolerances for high precision parts.

OEM and ODM Services: Custom manufacturing available based on customer drawings, samples, or designs.

ISO 9001 Quality Assurance: Strict quality control processes adhering to ISO9001:2008/2015 procedures.

Flexible Delivery Schedule: Standard parts in 7-15 days; Non-standard parts in 15-25 days.

Free Sample Availability: Samples provided free of charge for product verification and testing.

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: ≤1.84h

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 us?

We provide first-class services in the supply of quality fasteners minimizing costs. Our vision is to build successful relations with partners, and our mission is professional customer service and innovation in technology. We offer reasonable quality and price, market sales suggestions, and welcome your ideas.

Q:How is quality ensured?

All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery and strong technology support with managers familiar with product quality and modern management concepts.

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

You can send pictures, photos, or drawings via email for us to check availability. Alternatively, send samples by DHL/TNT, and we will develop new models especially for you. We develop new models every month.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can. We can provide high precision parts and make the parts exactly as 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 arrangement, and the balance to be paid before shipment.