Washers

Complete range of flat washers, lock washers, spring washers, and specialty washers in all materials. Fully certified to ASTM F436, F844, DIN, and ISO standards for structural, industrial, and commercial applications.

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All Types

Flat, lock, spring, fender, square

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All Materials

Steel, stainless, brass, nylon

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All Sizes

M1.6 to M100, #2 to 4"

Certified

ASTM F436, F844, DIN, ISO

Washer Types We Supply

Comprehensive range of washers for load distribution, locking, sealing, and insulation applications

Flat Washers (Plain Washers)

Standard circular washers for load distribution and surface protection

STANDARDS

ASME B18.22.1, DIN 125, ISO 7089/7090

Typical Applications:

  • General fastening
  • Load distribution
  • Surface protection
  • Spacing

Lock Washers (Split Ring)

Split ring design provides spring tension to prevent loosening

STANDARDS

ASME B18.21.1, DIN 127, ISO 7980

Typical Applications:

  • Vibration resistance
  • Automotive
  • Machinery
  • Equipment assembly

Tooth Lock Washers (Internal/External)

Serrated teeth bite into mating surfaces for anti-rotation

STANDARDS

DIN 6797, DIN 6798, ISO 6797

Typical Applications:

  • High vibration
  • Electrical grounding
  • Sheet metal
  • Preventing rotation

Fender Washers (Penny Washers)

Large outer diameter with small center hole for extra bearing surface

STANDARDS

ASME B18.22.1, Custom sizes

Typical Applications:

  • Soft materials
  • Oversized holes
  • Roofing
  • Sheet metal repair

Square Washers

Square shape provides greater bearing area for wood and structural applications

STANDARDS

ASME B18.22.1, DIN 434, ISO 7094

Typical Applications:

  • Timber construction
  • Structural steel
  • Heavy equipment
  • Foundation bolts

Belleville Washers (Disc Springs)

Conical spring washers providing high load in small space

STANDARDS

DIN 2092, DIN 6796, ISO 19690

Typical Applications:

  • Preload maintenance
  • Thermal expansion compensation
  • Vibration damping
  • High-load applications

Wave Washers (Curved Washers)

Wavy design provides light spring force and axial play compensation

STANDARDS

DIN 137, Custom specifications

Typical Applications:

  • Bearing preload
  • Assembly tolerance compensation
  • Light spring force
  • Space-saving

Tab Washers (Locking Tabs)

Tabs bend to lock nuts or bolt heads in position

STANDARDS

DIN 93, ISO 2320, MB-Lock

Typical Applications:

  • Permanent locking
  • High torque
  • Safety-critical
  • Preventing rotation

Spherical Washers (Conical Seat)

Curved surface compensates for angled or uneven mounting surfaces

STANDARDS

DIN 6319, Custom fabrication

Typical Applications:

  • Angled surfaces
  • Structural connections
  • U-bolts
  • Non-parallel surfaces

Shoulder Washers (Insulating Washers)

Cylindrical spacer with flange for electrical insulation and spacing

STANDARDS

Nylon/Plastic custom specs

Typical Applications:

  • Electrical insulation
  • Circuit boards
  • Spacing applications
  • PCB mounting

Complete Washer Specifications

Comprehensive technical information on types, sizes, finishes, and materials

Washer Type Details

Select from the tabs above to view detailed specifications for grades, sizes, finishes, and materials. Or scroll up to browse our complete washer type collection with application details and standards.

📋 Quick Reference

  • Flat Washers: Load distribution, surface protection
  • Lock Washers: Prevent loosening from vibration
  • Spring Washers: Preload and tension maintenance
  • Fender Washers: Large bearing area for soft materials
  • Structural: Hardened for high-strength bolts

✓ Quality Assurance

  • ASTM F436, F844, DIN, ISO certified
  • Hardness testing per specifications
  • Dimensional inspection
  • Material traceability available
  • ISO 9001:2015 certified

Industry Applications

Essential washer solutions across all industries

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Structural Steel

  • Steel frame construction
  • Bridges & buildings
  • Tower structures
  • Heavy equipment
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Automotive & Transport

  • Vehicle assembly
  • Engine mounting
  • Chassis components
  • Suspension systems
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Oil & Gas

  • Flange connections
  • Pipeline systems
  • Pressure vessels
  • Refineries
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Manufacturing

  • Machinery assembly
  • Equipment mounting
  • Production lines
  • Material handling

Electrical & Electronics

  • Electrical panels
  • Circuit boards
  • Grounding applications
  • Insulation
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Construction

  • Wood framing
  • Concrete anchoring
  • Roofing systems
  • General building