Square Head T Bolt
Square Head T Bolt
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DIN 9021 Large Plain Washer
DIN 9021 Large Plain Washer
DIN 436 Square Washer
DIN 436 Square Washer
Stainless steel DIN 436 square washers for mechanical and hardware applications.
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DIN 436 Square Washer
DIN 436 Square Washer
Stainless steel DIN 436 square washers for mechanical and hardware applications.

DIN 436 Square Washer

  1. Complies with ISO7089, DIN 436, ANSI B18.22.1; universal fastener auxiliary components
  2. Material: Carbon steel, stainless steel (304/316), brass; optional corrosion-resistant variants
  3. Structure: Square flat plate + central precision through hole (matching bolt/nut diameter)
  4. Surface treatments: Carbon steel (zinc plating, black oxide), stainless steel (passivation), brass (natural finish)
  5. Size: aperture M3–M36, side length 8–60mm, thickness 1–5mm
Category:
Description

Core features of Square Washer

  1. Square shape: Prevents rotation during bolt tightening, more stable than round washers in vibration environments
  2. Large contact area: Disperses clamping pressure, avoids indentation or damage to workpiece surfaces
  3. Wide material options: Adapts to indoor/outdoor, humid or general environments via material selection
  4. Strong compatibility: Matches bolts, nuts of the same specification, applicable to machinery, construction, furniture
  5. Easy to use: Directly placed between fastener and workpiece, no additional installation steps

 

Product Parameter (Specification)

StandardDIN,ASTM/ANSI,ISOMaterialCarbon steel, Stainless Steel, Aluminum
Surface TreatmentZinc Plated,Galvanized,Black Oxide, Passivation,Sand Blast, PTFE, Teflon, XylanSizeM1.6-M64
PackingBulk cartons with pallet, small boxes in cartons with palletUnitePiece,KGS,TON

 

Product Application

Square Washer are widely used in heavy Industry, mining, water treatment, healthcare, retail industry, general industry, machinery, Oil & Gas, automotive industry etc.

 

DIN 436 Square Washer for Furniture Application Scenario Table

Application FieldSpecific ScenariosStandards & GradesKey Considerations
Industrial EquipmentMachine frames, sheet metal assemblies, electrical cabinet fittings, conveyor system parts.DIN 436; Carbon steel 1008 (zinc-plated), Stainless steel 304 (A2-70).Square shape anti-rotation; Distributes pressure evenly; Prevents bolt loosening on metal substrates.
Construction & DecorationSteel structure joints, guardrail fasteners, door/window hardware, aluminum profile connections.DIN 436; Carbon steel 1010 (hot-dip galvanized), Stainless steel 316 (A4-80).Indoor/outdoor corrosion resistance; Fits irregular installation surfaces; Enhances fastener stability.
Light IndustryMetal storage racks, furniture hardware, tool housings, sheet metal products.DIN 436; Carbon steel 1008 (black oxide), Stainless steel 304 (A2-70).Cost-effective for mass production; Compatible with standard bolts/nuts; Protects soft substrates from damage.
DIY & MaintenanceHome hardware fixes, handmade projects, garden tool assemblies, temporary structural connections.DIN 436; Carbon steel 1010 (zinc-plated), Stainless steel 304 (A2-70).User-friendly for non-professionals; Easy to install with wrenches; Durable for daily use.

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