Round Self-Locking Washers

Self Locking Washers are used in connection with lacing anchors, weld pins to fasten insulation blankets or covers in place, Just press the self-locking washer onto the pin up to the insulation materials until the desired position is reached. Then clip off, (or bend over) the remaining portion of pin for a permanent attachment.

Self-Locking washers are used with Capacitor Discharge (CD) pins and Insulation Hangers. Washers are available in 10G and 12G and 14 GA Inner diameter. Washers in both sizes are 1-1/2” on the outer diameter and made of stainless steel. Self-Locking round washers are a great fastener to keep insulation in place and offer a profile that minimizes tears in insulation facing. (Minimum Quantity is 25 pieces. pictures are for reference only).

The choice between Round or Square self-locking washers is basically a matter of aesthetics or personal preference. The domed, multi-lanced hole design provides for ease of locating washer on pin and positive self-locking. Some styles of washers are manufactured with a beveled edge to prevent the washer from cutting into the insulation facing.

INSL Stud Welding Self-Locking Washers are available according to the chart below and with standard 10 GA, 12 GA, or 14 GA hole sizes off-the-shelf. Other material/plating combinations and hole sizes are available by special order.

Both Round or Square self locking washers are available as a matter of design or application preference. the domed, multi-lanced hole design provides for ease of locating washers on pin and positive locking. Most styles of washers are manufacturered with a beveled edge to prevent the washer from cutting into the insulation facing.

Self locking washers Hole Diameter:

Self Locking Washers – 10GA( 3.4mm), 3mm, 12GA( 2.7mm) 14GA(2.0mm)

Available Sizes (Customize Dimensions or Materials available upon request) :

Self-Locking Washers Specification
Types:R-175R-150R-100
Diameter:1-3/4″1-1/2″1”
Thickness:0.0160.0160.016
Plating:GalvanizedGalvanizedGalvanized
Material:Mild Steel /SS 304Mild Steel /SS 304Mild Steel /SS 304
Edge:Beveled or FlatBeveled or FlatBeveled or Flat

 

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