Self Locking Washers (Square)

Information:

WA250

WS 150

WAI25

Diameter

2-1/2x2-1/.2

l-l/ 2x 1-1/2

1-1 /4.x 1-1/8

Thickness

.015 nom.

.015 nom.

.015 nom.

Material

Mild Steel

Mild Steel

Mild Steel

Plating

Galv.

Galv.

Galv.

Edges/flat or beveled

beveled

beveled

beveled

Other materials available

Alum.. S.S.

Alum.. S.S.

Alum.. S.S.

Packaged per carton

1000

1000

1000

DAVIS STUD WELDING Self-Locking Washers are used in conjunction with DAVIS STUD WELDING weld pins, insul-anchors and lacing anchors to fasten insulation in place. Simply press the self-locking washer onto the pin up to the insulation until the desired position is reached. Then clip off, (or bend over) the remaining portion of pin for a permanent attachment.

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 washer on pin and positive locking. Most styles of washers are manufactured with a beveled edge to prevent the washer from cutting into the insulation facing,

DAVIS STUD WELDINGSelf-Locking Washers are available according to the chart above and with standard I0GA, !2GA,or I4GA hole sizes off-the-shelf. Other material plating combinations and hole sizes are available by special order.

Additional information

Available Materials

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Plating

System

MILD (LOW CARBON) STEEL:

  • C-0.23% max.
  • P-0.04% max.
  • Mn - 0.90% max.
  • S-0.05% max.
MECHANICAL PROPERTIES:
  • Tensile 60,000 psi (min.)
  • Yield 50,000 psi (min.)
  • Elongation 20% (in 2 inches)

STAINLESS STEEL:

AISI grade - 302/304/305 std.

Other grades available upon request.

MECHANICAL PROPERTIES: Values for various grades available upon request.

ALUMINUM:

ALLOY - 1100 & 5000 series

Other alloys available upon request

MECHANICAL PROPERTIES: Values for various alloys available upon request.

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Specification sheet (PDF) coming soon.

The DAVIS STUD WELDING square self-locking washer, or speed clip, is made in Mild Steel, Standard Stainless, and Aluminum popularly. In several rectangular and square sizes, this insulation washer mounts on various insulation fasteners for capturing and holding insulation material in place. The gauge of the pin, or diameter, should match the fastener to be affixed, or "locked", onto. Popular diameters are 14 gauge, 12 gauge and 10 gauge---while overall, a wide variety of whole sizes are available in both standard and metric self-locking hole sizes.

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