Internal Tooth Washers


Description:
A locking washer with teeth or prongs which extend inward from the inside edge of the washer. This maintains essential tension and opposes any loosening influence on the fastener. The flexed teeth absorb shock, vibration and slipping.

Applications:
The internal tooth washer is the preferred lock washer when finished appearance is critical and the teeth must be hidden under the head of the screw to avoid scratching or snagging. Also recommended for use with small heads screws (such as fillister).

Materials:
Carbon Steel: SAE 1050 – 1065 spring steel.
18-8 Stainless Steel: SAE 301 – 305
316 Stainless Steel: SAE 316
410 Stainless Steel: SAE 410

Hardness:
Carbon Steel: Rockwell C40 – 50
18-8 Stainless Steel: Rockwell C20 – 45
410 Stainless Steel: Rockwell C40 – 50

Product Line Codes:
Steel Black Zinc: WA051
Steel Black Oxide: WA052
Steel Yellow Zinc: WA053
Steel Zinc: WA054
Stainless Steel: ST218
410 Stainless Steel: ST219

To find full specification sheet go to:
http://www.aspenfasteners.com/Articles.asp?ID=137

2 Responses to Internal Tooth Washers

  1. Richard says:

    Hi, I am looking for some internal tooth washers that will fit tight over a .0125″ rod. I think I would be a #4. I need them to be made out of 316 stainless steel

    • Expert says:

      Hi thanks for contacting Fasteners Experts. The #4 internal tooth L/W in 316 stainless steel is available from stock. The ID for this size washer ranges between 0.115″ and 0.123″ so this would be a very tight fit. If you could let us know how may you need we would be happy to prepare a quote for you.

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