What is your delivery time?

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

How to Custom-made (OEM/ODM)?

Send us new product drawings or samples, and we will custom-make the hardware as required. We also provide professional advice to make designs more realistic and maximize performance.

What are your terms of packing?

Generally, we pack goods in neutral transparent bags, color boxes, plastic boxes, or cartons. If you have a registered patent, we can pack in your branded boxes with authorization.

Which mode of transport would be better?

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

Heavy-Duty Washers for Mining Equipment with Mil-Std 11991b (Strength Assured)

Name: Heavy-Duty Washers for Mining Equipment with Mil-Std 11991b (Strength Assured)
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2097887252

Zhejiang, ChinaHengling Metal Products (Huzhou) Co., Ltd.

US$0.05

1,000-4,999 Pieces

US$0.04

5,000-9,999 Pieces

US$0.03

10,000-49,999 Pieces

US$0.02

50,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Spring Washer

Material

Stainless Steel

Model NO.

Carbon Steel Washers

Combination Washer Structure

B Type

Combination Washer Packaging

Half a Pack

Spring Washer Type

Light Weight

Product Name

Carbon Steel Fastener

Keywords

Hardware Fastener

Model Number

Fastener Washers

Fastener Material

Carbon Steel

Mark

According to Customer's Requirement

Surface Treatment

Black, Zinc, Plain, Zinc Plated, Blue Anodized

Fastener Standard

GB, DIN, ISO, JIS

OEM & ODM Custom

Sample

Logo Custom

Transport Package

Standard Packaging or Customized

Specification

Standard Specifications or Customized

Trademark

HENGLING

Origin

Zhejiang, China

Production Capacity

5000000 Pieces/Year

Key features

High Strength & Durability: Withstands greater pressure and loads, ensuring long-term reliability for mechanical equipment.

Cost-Effective Solution: Lower production costs than stainless steel, ideal for large-scale projects with limited budgets.

Customizable Sizes & Shapes: Easy to process and form; different sizes and shapes can be customized via stamping or cutting.

Diversified Surface Treatments: Options include galvanizing, blackening, phosphating, and plating for enhanced corrosion resistance.

Wide Range of Applications: Suitable for construction, automobiles, machinery, and power equipment across various environments.

OEM & ODM Services: Accepts custom drawings and samples to develop new models and maximize product performance.

High Precision Tolerance: Capable of strictly following drawing tolerances to provide high-precision parts.

Fast Response Time: Quotations provided within 12 hours, with special offers completed within 24 hours.

Company profile

Importers and Exporters

Hengling Metal Products (Huzhou) Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.24h

AI-Powered supplier vetting

SummaryThe supplier is a combined hardware-processing and trading company offering screws, nuts, and fasteners. It reports broad customization, ODM and OEM capabilities, new products within the past year, six production lines, and seven years of export experience. Products can follow GB, DIN, ANSI, BS, and JIS standards and support various coating processes. However, quality and service controls show procedural weaknesses: finished-product inspections have instructions but no written records, and service procedures and corrective actions likewise lack records. The supplier has one quality inspector, no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and does not continuously reconcile production quantities by batch or lot. Financial information is insufficient for assessment, and no specific customer names or case details are provided.

Supplier typeThe supplier is identified as a combined company whose business scope covers hardware processing and sales, fasteners, metal products, equipment, and related goods, while its offered products specifically include screws, nuts, and fasteners. This indicates a combined manufacturing/trading profile rather than a narrowly specialized entity.

After-Sales capabilityThe supplier has procedures for service assessment, corrective and preventive actions, and complaint handling, but no written records for these processes. It also has no overseas warehouse, showroom, overseas agents or branches, and has no stated overseas service countries, which limits demonstrated after-sales support capability.

R&D capabilityThe supplier reports new products within the past year, ODM services, and broad design customization. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the demonstrated product-development and design-service capabilities.

Production capacityThe supplier reports six production lines, a cold-heading forming facility, and seven years of export experience, supporting established manufacturing capability for fasteners. Nevertheless, it does not continuously reconcile quantities by batch or lot, and only one quality assurance and control inspector is reported, indicating control limitations alongside the production capacity.

Customization capabilityThe supplier explicitly offers customization from samples, minor customization, customization from designs, full customization, and flexible customization. It also states that non-standard products can be customized and that various coating processes are available for screws, providing direct evidence of broad customization capability.

Product Q&A

Q:What are your main products and material supplies?

Our main products include screws, bolts, nuts, rivets, special non-standard studs, and high-end precision complex CNC machining parts. Materials include carbon steel, alloy steel, aluminum alloy, stainless steel, brass, copper, and titanium alloy.

Q:When can I get the price?

We usually offer a quotation within 12 hours, and special offers are completed within 24 hours. For urgent cases, please contact us directly by phone or email.

Q:If you cannot find the product you need, what should I do?

You can send pictures, photos, or drawings via email for us to check availability. We develop new models monthly, or you can send samples via DHL/TNT for custom development.

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

Yes, we can. We provide high-precision parts and manufacture them exactly according to your drawings.

Q:How should I place an order and make a payment?

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