How is quality ensured?

All processes adhere to ISO9001:2008 procedures with strict quality control from production to delivery.

What standards do your products comply with?

We comply with ASME/ANSI B18.21.1, DIN6797/6798, DIN25201, GB861/862, and GB956.1 standards.

What is the minimum order quantity?

The minimum order quantity is 1 Pc, according to customer demand.

Toothed Lock Washers with Internal Teeth M30 External Tooth Serrated Lock Washer

Name: Toothed Lock Washers with Internal Teeth M30 External Tooth Serrated Lock Washer
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 1989122152

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

Stainless Steel

Model NO.

ASME B18.21.1, DIN6797, GB861, GB862

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 Finish Options: Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, PTFE.

High Precision Customization: Can strictly follow drawing tolerances and provide high precision parts for OEM/ODM.

Extensive Standard Compliance: Meets ASME/ANSI B18.21.1, DIN6797/6798, DIN25201, GB861/862, GB956.1 standards.

Flexible Customization: Supports customization from samples, designs, full customization, and minor adjustments.

Quality Assurance: Strict adherence to ISO9001:2008/2015 procedures with strong technical support.

Competitive Supply Ability: Supply capacity of 1000 tons per month with timely delivery guarantees.

Free Samples Available: Provides free samples for evaluation and testing purposes.

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.