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Carbon Steel DIN 25201 Double Lock Washer, 0.512 in Bore, 0.134 in Thick, Pkg Qty 100

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Industrial · SKU: AF3127969

Carbon Steel DIN 25201 Double Lock Washer, 0.512 in Bore, 0.134 in Thick, Pkg Qty 100

This heavy-duty double lock washer is manufactured from 65Mn carbon steel for high tensile strength and fatigue resistance.

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$29.99
$0.30/each(100 pcs/pkg)

Volume Pricing - Buy More, Save More

QuantityDiscountUnit Price
1 - 10-$29.99
11 - 50-5%$28.49
51+-10%$26.99
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Quick Answer

How Buyers Should Evaluate Carbon Steel DIN 25201 Double Lock Washer, 0.512 in Bore, 0.134 in Thick, Pkg Qty 100

This heavy-duty double lock washer is manufactured from 65Mn carbon steel for high tensile strength and fatigue resistance. Use the quick checks below to decide whether direct checkout is enough or whether an RFQ will reduce sourcing risk.

Quick Spec Check

  • System of Measurement: Metric
  • Material Grade/Class: 65Mn
  • Material: Carbon Steel

Purchase Details

  • Online price starts at $29.99.
  • Minimum order quantity: 1 unit.
  • Pack quantity: 100 / Each.
  • Lead time: 2-3 weeks.

Use RFQ When

  • Use RFQ when you need bulk pricing, alternate pack sizes, or multi-SKU comparison.
  • Request support when fit, material, or substitute selection needs confirmation before order.
  • Escalate to sourcing when timeline, freight, or stocking strategy matters more than one-off checkout speed.

Technical Specifications

System of MeasurementMetric
Material Grade/Class65Mn
MaterialCarbon Steel
Thread SizeM12
FinishDacromet
Shaft/Bore Diameter0.512 in
Thickness0.134 in
Product Details

Full Description

Application context, construction notes, and selection details for evaluating fit before purchase or repeat ordering.

Overview

This heavy-duty double lock washer is engineered to provide a secure, vibration-resistant connection for critical bolted assemblies. Manufactured to the DIN 25201 standard, its two-wave design delivers superior spring force and locking performance compared to single-wave or flat washers. Constructed from high-grade 65Mn carbon steel and finished with a protective Dacromet coating, it is built for long-term reliability in demanding industrial environments. Each package contains 100 washers for project efficiency.

Key Features

DIN 25201 compliant double-wave design for maximum locking force Manufactured from 65Mn carbon steel for high tensile strength and fatigue resistance Dacromet finish provides exceptional corrosion protection Engineered to prevent loosening under severe vibration and dynamic loads Precise dimensions ensure consistent performance and fit on M12 fasteners Bulk packaging of 100 units supports production and maintenance workflows

Specifications

Material: Carbon Steel Material Grade: 65Mn Thread/Fastener Size: M12 Bore Diameter: 0.512 inches Outer Diameter: 1.004 inches Thickness: 0.134 inches Finish: Dacromet Package Quantity: 100

Applications

Heavy machinery and equipment assembly Structural steel connections Automotive and transportation manufacturing Vibration-prone industrial systems Agricultural and construction equipment General maintenance, repair, and operations (MRO) for securing M12 bolts and studs

Frequently Asked Questions

What are the exact dimensions and specifications of this DIN 25201 double lock washer?
This washer has a bore (inner diameter) of 0.512 inches, an outer diameter of approximately 1.004 inches, and a thickness of 0.134 inches. It is made from 65Mn carbon steel with a corrosion-resistant Dacromet finish and is designed for use with M12 fasteners.
What are the typical applications for this type of double lock washer?
This washer is engineered for high-vibration environments where secure, permanent locking of bolted connections is critical, such as in heavy machinery, automotive assemblies, and structural steelwork. Its double-lobed design provides superior resistance to loosening compared to standard flat washers.
How is this product packaged for order, and what is the minimum quantity?
This washer is packaged and sold in boxes of 100 pieces. This bulk packaging is designed for industrial and maintenance use, providing an economical quantity for production lines or maintenance kits.