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Stainless Steel Nuts & Washers

Stainless Steel Nuts & Washers in Toronto & the GTA

316 and 18-8 stainless hex, nylon-insert lock, flange, cap and coupling nuts, plus flat, fender, lock and sealing washers for GTA contractors and fabricators.

Nuts & Washers

Complete The Assembly In The Same Grade.

A 316 bolt with a plated nut is a 316 job with a rust problem. Nuts and washers have to match the bolt grade, or the weakest part of the connection fails first.

We supply stainless nuts and washers in imperial and metric to complete every bolt, screw and anchor we sell.

Stainless steel hex nut, lock washer and flat washer

Stainless Nuts & Washers We Supply

Hex Nuts

Standard and heavy hex in UNC, UNF and metric.

Nylon-Insert Lock Nuts

Resist loosening under vibration on equipment, railings and assemblies.

Flange, Cap & Coupling Nuts

Flange for load spread, acorn caps for finished ends, coupling nuts to join threaded rod.

Flat & Fender Washers

Spread load under the head or nut; fender washers for soft or oversized holes.

Lock Washers

Split and tooth styles for vibration-prone connections.

Sealing Washers

Bonded EPDM washers that seal penetrations on roofing and cladding.

Which Grade For Nuts & Washers?

GradeCorrosion ResistanceBest For
18-8 / 304GoodPair with 18-8 bolts and screws for general exterior use
316Excellent — chloride resistantPair with 316 hardware for marine, lakefront and road-salt exposure

Where It Gets Used

  • Completing stainless bolt and threaded-rod assemblies
  • Railings, guards and balconies
  • Roofing and cladding penetrations
  • Equipment, machinery and fabrication
  • Docks and lakefront structures

Spec It Right

  • Always match nut and washer grade to the bolt
  • Use nylon-insert lock nuts where vibration is present
  • Stainless-on-stainless threads can gall — apply anti-seize and tighten at moderate speed
  • Use sealing washers on any fastener penetrating a weather barrier

Fast, Accurate Quotes

Send us the following and we’ll quote the same day:

  • Nut or washer type
  • Grade (316 or 18-8)
  • Thread size and pitch, or washer ID/OD
  • Quantity

Same-day delivery on in-stock items across Toronto, Mississauga, Brampton, Vaughan, Markham, Scarborough, Ajax, Pickering and Oshawa.

Need Stainless Nuts & Washers Today?

Call 647-873-0356 or send your list — quotes go out same day.