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Box of fifty rubber and steel sealing washers with zinc finish

MIDWEST FASTENER CORP

MIDWEST FASTENER CORP 64942 Sealing Washer 3/16 in Rubber Steel 50 PK

SKU CH-F4KN-DYB5Z

Sealing washers with rubber and steel construction for 3/16 inch bolts, 50 pack

  • Product typeWashers
  • Rubber seal prevents leaks on 3/16 in bolts
  • Zinc-plated steel resists corrosion in harsh conditions
  • 50-piece pack covers multiple repair jobs
  • Manufacturer part 64942 ensures exact fit
  • Ready for immediate use in automotive or general hardware

Sealing Washer Pack for 3/16 in Bolts

This pack contains fifty rubber and steel sealing washers designed for a 3/16 inch bolt size. The zinc finish adds corrosion resistance for automotive and general hardware tasks. Buyers receive a manufacturer-direct supply of new components.

Practical Limits of the Rubber Seal

The rubber element provides a seal under compression but will degrade with prolonged exposure to heat, oil or aggressive chemicals. Over-tightening can extrude the rubber and reduce sealing effectiveness. The steel backing distributes load but does not prevent galvanic action with dissimilar metals.

Replaces Worn or Missing Washers

This pack replaces individual washers lost during maintenance or those that have hardened and cracked over time. The quantity suits shops that service multiple assemblies requiring the same bolt size. It is not suited for applications needing a larger inner diameter or a non-metallic backing material.

How it compares

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

Price $10.99
Cheaper than about 70% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameMIDWEST FASTENER
Product typeWashers

Questions about this item

Should I buy the 50-pack or are other quantities available?

This item is sold as a 50-piece pack; no other pack sizes are offered for part 64942.

What does the 3/16 inch size mean when I install these washers?

It matches a 3/16 inch bolt shank so the rubber-faced steel washer seats flat and seals against the mating surface.

How does the zinc finish affect corrosion resistance in outdoor use?

The zinc coating on the steel base protects the washer from rust while the rubber face maintains the seal.

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