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Fifteen zinc-plated steel M8 flange nuts with integrated washers

MIDWEST FASTENER CORP

MIDWEST FASTENER CORP 75713 Flange Nut M8-1.25 Steel Class 10 Zinc 15 PK

SKU CH-0ZMV-PFRNT

Flange nut distributes clamping force to protect parts and resist loosening on uneven surfaces, M8-1.25 thread, Class 10 steel, zinc plated, 15 pack

  • Product typeNuts
  • Flange design distributes load to protect parts
  • Class 10 steel handles high-stress fastening
  • Zinc plating resists corrosion in harsh conditions
  • M8-1.25 thread fits standard metric applications
  • 15-piece pack covers multiple installation points

M8-1.25 Class 10 Flange Nuts

This pack contains fifteen zinc-plated steel flange nuts with an M8 thread and 1.25 mm pitch. The integrated flange acts as a built-in washer to spread clamping force across the joint. Class 10 rating suits high-strength fastening in automotive and industrial assemblies.

Replaces separate nut-and-washer stacks

The flange eliminates the need for a flat washer, reducing part count and assembly time. The step up is worth it when vibration or uneven surfaces risk loosening a standard hex nut. Not for joints that require a lock washer or prevailing-torque feature.

Hand-threads onto M8-1.25 studs

Standard metric tools drive the hex without special sockets. Zinc plating resists corrosion but is not a substitute for stainless steel in marine or chemical exposure. Ensure the mating threads are clean and undamaged to achieve full Class 10 preload.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 90% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameMIDWEST FASTENER
Product typeNuts

Questions about this item

What M8 thread pitch does the 75713 flange nut use?

The 75713 flange nut uses an M8-1.25 thread pitch for standard metric compatibility.

How do I install the 75713 flange nut without damaging the integrated washer?

Tighten the 75713 flange nut by hand first, then use a wrench to seat the flange flat against the surface without over-torquing the Class 10 steel.

When should I replace the 75713 flange nuts in a high-vibration application?

Inspect the 15-pack flange nuts for zinc coating wear or thread deformation after heavy vibration cycles and replace any showing corrosion or stripped threads.

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