Material Material |
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For Maximum Square Tubing Inside Width For Maximum SquareTubing Inside Width |
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Leg Length Leg Length |
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For Minimum Square Tubing Inside Width For Minimum SquareTubing Inside Width |
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Minimum Hardness Minimum Hardness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Passivation Passivation |
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Button Location Button Location |
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Button Pins for Telescoping Tubing
Shown Installed
Single Button Straight Leg
Single Button Dog Leg
Double Button Straight Leg (Opposite Side)
Double Button Straight Leg (Same Side)
These pins use spring force to hold pieces of telescoping tubing together. Install them in the smaller tube, then slip the larger tube over the smaller tube until the button pops into a hole. Also known as snap buttons and tubing buttons.
Zinc-plated steel pins offer good strength and some corrosion resistance.
410 stainless steel pins resist wear as well as corrosion. They are magnetic.
301 stainless steel pins are the most corrosion resistant. They may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Button | Leg | ||||||||
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| For Round Tubing ID | For Square Tubing Inside Wd. | Dia. | Ht. | Wd. | Lg. | Min. Hardness | Pkg. Qty. | Pkg. | |
Zinc-Plated 1050 Spring Steel | |||||||||
Single Button Straight Leg | |||||||||
| 3/8"-5/8" | 5/16"-5/8" | 1/8" | 3/16" | 3/16" | 1 1/4" | Rockwell C44 | 10 | 000000000 | 000000 |
| 1/2"-7/8" | 7/16"-7/8" | 1/4" | 1/4" | 3/8" | 1 7/16" | Rockwell C44 | 10 | 000000000 | 0000 |
| 1/2"-1 1/4" | 7/16"-1 1/4" | 1/4" | 3/8" | 3/8" | 1 7/8" | Rockwell C44 | 10 | 000000000 | 0000 |
| 9/16"-1 1/4" | 7/16"-1 1/4" | 5/16" | 3/8" | 7/16" | 1 7/8" | Rockwell C44 | 5 | 000000000 | 0000 |
| 5/8"-1 1/4" | 7/16"-1 1/4" | 5/16" | 3/8" | 7/16" | 1 15/16" | Rockwell C44 | 10 | 000000000 | 0000 |
| 11/16"-1 3/8" | 1/2"-1 3/8" | 3/8" | 3/8" | 1/2" | 2 1/8" | Rockwell C44 | 5 | 000000000 | 0000 |
| 11/16"-1 3/8" | 1/2"-1 3/8" | 3/8" | 3/8" | 1/2" | 2 3/16" | Rockwell C44 | 1 | 000000000 | 0000 |
| 11/16"-1 3/8" | 9/16"-1 3/8" | 3/8" | 3/8" | 1/2" | 2 1/8" | Rockwell C44 | 10 | 000000000 | 0000 |
| 1 1/4"-1 3/4" | 1 1/8"-1 3/4" | 3/8" | 3/8" | 1/2" | 3 1/2" | Rockwell C44 | 1 | 000000000 | 0000 |
Single Button Dog Leg | |||||||||
| 1/2"-3/4" | 3/8"-3/4" | 1/4" | 1/4" | 3/8" | 1 3/8" | Rockwell C44 | 10 | 000000000 | 0000 |
| 1/2"-1" | 7/16"-1" | 5/16" | 3/8" | 7/16" | 1 7/8" | Rockwell C44 | 5 | 000000000 | 0000 |
| 9/16"-1" | 7/16"-1" | 5/16" | 3/8" | 7/16" | 1 7/8" | Rockwell C44 | 10 | 000000000 | 0000 |
| 9/16"-1" | 9/16"-1" | 1/4" | 3/8" | 3/8" | 1 7/8" | Rockwell C44 | 10 | 000000000 | 0000 |
| 9/16"-1 1/8" | 1/2"-1 1/8" | 3/8" | 7/16" | 1/2" | 2 1/16" | Rockwell C44 | 1 | 000000000 | 0000 |
| 5/8"-1 1/8" | 9/16"-1 1/8" | 3/8" | 3/8" | 1/2" | 1 13/16" | Rockwell C44 | 10 | 000000000 | 0000 |
Double Button Straight Leg—Opposite Side | |||||||||
| 5/8"-7/8" | 5/8"-7/8" | 1/4" | 1/4", 1/4" | 3/8" | 1 1/2" | Rockwell C44 | 5 | 000000000 | 0000 |
| 7/8"-1 1/8" | 7/8"-1 1/8" | 5/16" | 3/8", 3/8" | 7/16" | 2 1/16" | Rockwell C44 | 5 | 000000000 | 0000 |
| 7/8"-1 7/8" | 7/8"-1 7/8" | 3/8" | 3/8", 3/8" | 1/2" | 3 3/16" | Rockwell C44 | 1 | 000000000 | 0000 |
| 1"-1 7/8" | 1"-1 7/8" | 3/8" | 7/16", 7/16" | 1/2" | 2 13/16" | Rockwell C44 | 5 | 000000000 | 00000 |
| 1"-1 7/8" | 1"-1 7/8" | 3/8" | 7/16", 7/16" | 1/2" | 3 1/8" | Rockwell C44 | 1 | 000000000 | 0000 |
Double Button Straight Leg—Same Side | |||||||||
| 1/2"-1" | 1/2"-1" | 1/4" | 2 3/8", 1 3/8" | 7/16" | 3" | Rockwell C44 | 1 | 000000000 | 0000 |
410 Stainless Steel | |||||||||
Single Button Straight Leg | |||||||||
| 3/8"-5/8" | 5/16"-5/8" | 1/8" | 3/16" | 3/16" | 1 1/4" | Rockwell C42 | 5 | 000000000 | 00000 |
| 1/2"-7/8" | 7/16"-7/8" | 1/4" | 1/4" | 3/8" | 1 7/16" | Rockwell C42 | 5 | 000000000 | 00000 |
| 1/2"-1 1/4" | 7/16"-1 1/4" | 1/4" | 3/8" | 3/8" | 1 7/8" | Rockwell C42 | 5 | 000000000 | 00000 |
| 5/8"-1 1/4" | 7/16"-1 1/4" | 5/16" | 3/8" | 7/16" | 1 15/16" | Rockwell C42 | 5 | 000000000 | 00000 |
| 11/16"-1 3/8" | 9/16"-1 3/8" | 3/8" | 3/8" | 1/2" | 2 1/8" | Rockwell C42 | 1 | 000000000 | 0000 |
Single Button Dog Leg | |||||||||
| 9/16"-1" | 7/16"-1" | 5/16" | 3/8" | 7/16" | 1 7/8" | Rockwell C42 | 5 | 000000000 | 00000 |
| 9/16"-1" | 9/16"-1" | 1/4" | 3/8" | 3/8" | 1 7/8" | Rockwell C42 | 5 | 000000000 | 00000 |
| 5/8"-1 1/8" | 9/16"-1 1/8" | 3/8" | 3/8" | 1/2" | 2 1/16" | Rockwell C42 | 1 | 000000000 | 0000 |
Double Button Straight Leg—Opposite Side | |||||||||
| 5/8"-7/8" | 5/8"-7/8" | 1/4" | 1/4", 1/4" | 3/8" | 1 1/2" | Rockwell C42 | 5 | 000000000 | 00000 |
| 7/8"-1 1/8" | 7/8"-1 1/8" | 5/16" | 3/8", 3/8" | 7/16" | 2 1/16" | Rockwell C42 | 1 | 000000000 | 0000 |
| 1"-1 7/8" | 1"-1 7/8" | 3/8" | 7/16", 7/16" | 1/2" | 2 13/16" | Rockwell C42 | 1 | 000000000 | 0000 |
Zinc-Plated 410 Stainless Steel | |||||||||
Single Button Dog Leg | |||||||||
| 1/2"-3/4" | 3/8"-3/4" | 1/4" | 1/4" | 3/8" | 1 3/8" | Rockwell C42 | 5 | 000000000 | 00000 |
301 Stainless Steel | |||||||||
Single Button Straight Leg | |||||||||
| 7/16"-7/8" | 3/8"-7/8" | 1/4" | 1/4" | 1/4" | 1 7/16" | Rockwell C41 | 1 | 000000000 | 0000 |
| 9/16"-1 1/8" | 1/2"-7/8" | 3/8" | 3/8" | 3/8" | 2 1/8" | Rockwell C41 | 1 | 000000000 | 0000 |