Designing a Toggle Clasp That Works
by Judy Larson
You designed and made the perfect "O" Ring for one part of a toggle to go with a project you are making. Now what? Nothing is worse than a T-bar that keeps slipping out of an "O" ring so it needs to be the right length.
Instructions
Determining the length needed for a T-bar is not difficult. If the center of the "O" Ring is not perfectly round, open a caliper inside the "O" ring, which may be oval or teardrop shaped, not round. Twist the calipers around the find the greatest diameter of the inner opening. The distance between these two farthest apart points is A.

Measure the widest metal portion of the "O" ring. This will be B.

A little of the T-bar should extend beyond the outer edge of the "O" ring. This will be C. If the metal portion of the "O" ring is wide and the inner opening is small, C may not be needed. The important thing is that the T-bar needs to be long enough that it will not accidentally slip out of the "O" ring.

(A+B+C) x 2 = the length of the finished T-bar.
Judy Larson's Designing a Toggle Clasp That Works - , Findings & Components, Toggles & Clasps, Earwire & Headpin, Design, , design a toggle clasp that works
Judy Larson's Designing a Toggle Clasp That Works - , Findings & Components, Toggles & Clasps, Earwire & Headpin, Design, , design a toggle clasp that works

Materials

Copper Washer, 24 Gauge, 1-1/4 Inch, Pack of 6
MET-530.15
  • Lesson Quantity: 1.00 pieces
  • Purchase Quantity: 1.00 each
  • Price: $6.97
  • Gold Club Price: $5.23
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Nickel Silver Washer, 24 Gauge, 3/4 Inch, Pack of 6
MET-630.10
  • Lesson Quantity: 1.00 pieces
  • Purchase Quantity: 1.00 each
  • Price: $4.40
  • Gold Club Price: $3.30
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Tools

Brass Caliper - Gemstone And Bead Measuring Tool
G7-9
  • G7-9
  • Lesson Quantity: 1.00 pieces
  • Purchase Quantity: 1.00 each
  • Price: $8.97
  • Gold Club Price: $6.73
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Digital Calipers With Stone Holder by Euro Tool
GAU-179.00
  • GAU-179.00
  • Lesson Quantity: 1.00 pieces
  • Purchase Quantity: 1.00 each
  • Price: $39.97
  • Gold Club Price: $29.98
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  • Category: Findings
  • Technique(s): Design, General Education