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Home Nut Lock Nut Keps Lock Nut with External Tooth Washer K Nut
DIN557 Square Nut
DIN557 Square Nut
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Nylon Insert Lock Nut
Nylon Insert Lock Nut
Keps Lock Nut with External Tooth Washer K Nut
Keps Lock Nut with External Tooth Washer K Nut
Keps lock nut with external tooth washer for secure fastening.
Lock nut with external tooth washer for secure fastening.
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Keps Lock Nut with External Tooth Washer K Nut
Keps Lock Nut with External Tooth Washer K Nut
Keps lock nut with external tooth washer for secure fastening.
Lock nut with external tooth washer for secure fastening.

Keps Lock Nut with External Tooth Washer K Nut

  1. Integrated anti-loosening locking fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316); strength grades 4.8–10.9
  3. Structure: Hexagonal body + one-piece external tooth washer (serrated) + internal coarse/fine thread
  4. Surface treatments: Zinc plating, black oxide, passivation
  5. Size M3–M24 (matches standard bolts)
Category: Lock Nut
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  • Description
Description

Core features of Keps Lock Nut with External Tooth Washer K Nut

  1. Integrated external tooth washer: Serrations bite into workpiece surface, strong anti-loosening under vibration
  2. No extra washer needed: Simplifies assembly steps, saves time and cost
  3. Hexagonal body: Compatible with standard wrenches, efficient torque transmission
  4. Reliable locking: Balances clamping force and anti-slip performance, stable in dynamic environments
  5. Wide application: Ideal for machinery, automotive, electrical equipment, and general fastenings requiring anti-loosening

Product Parameter (Specification)

StandardDIN,ASTM/ANSI, ISOMaterialCarbon steel, Stainless Steel,Brass,Aluminum
Surface TreatmentZinc Plated, Hop Dip Galvanized(HDG) phosphorization,

Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated

SizeM3-M64
UnitePiece,KGS,TONPackingBulk cartons with pallet, small boxes in cartons with pallet

 

Product Application

Keps lock nut with external tooth washer is widely used in aerospace, aviation, automobiles, mechanical manufacturing, electronic equipment, construction, architecture and decoration etc.

 

Keps Lock Nut for Furniture Application Scenario Table

Application FieldSpecific ScenariosStandards & GradesKey Considerations
Industrial EquipmentMotor bases, conveyor systems, pump accessories, small machine components, electrical cabinet mounts.DIN 6923; Carbon steel 4.6/8.8 (zinc-plated), Stainless steel A2-70.External tooth washer anti-loosening; No extra washer needed; Resists vibration for medium loads.
Construction & DecorationGuardrail fasteners, light steel keels, aluminum profile connections, ceiling brackets, door/window hardware.ASTM A563; Carbon steel 5.6 (hot-dip galvanized), Stainless steel A4-80.Indoor/outdoor corrosion resistance; Tooth washer grips surfaces firmly; Easy on-site installation.
Light IndustryFurniture hardware joints, small appliance casings, metal storage racks, RTA furniture kits, tool housings.DIN 6923; Carbon steel 4.6/5.6, Stainless steel A2-70.Cost-effective for mass production; Hex shape fits wrenches; Protects soft substrates from damage.
DIY & MaintenanceHome storage rack builds, garage tool mounts, garden machinery fixes, vehicle minor repairs, handmade projects.ASTM A563; Carbon steel 4.6 (zinc-plated), Stainless steel A2-70.User-friendly for non-professionals; Quick assembly/disassembly; Durable for daily use.

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