Expansion Nuts are vibration-resistant fasteners that provide quick attachment in blind or center-panel locations. These Expansion Nuts have spring legs for self-retaining in rectangular holes. If permanent retention is required, a special locking tab can be provided. Design variations accommodate box or robotics styles. Easy to apply, Expansion Nuts can be used in place of weld-, clinch-, or stake-type fasteners. No masking is required because they will not clog when painted either before or after installation.
Unit of Measure
Specifications
Panel Thickness |
N/A 0.7 mm2.15 mm |
Screw Size |
N/A M4.2 x 1.41 |
Height |
N/A 6.9 mm |
Design Variation |
N/A 3K |
Hole Length |
N/A 10.75 mm |
Hole Width |
N/A 8.55 mm8.75 mm |
SAP Number |
N/A 137974000 |
Features and Benefits
Features and Benefits |
N/A
Box style expansion nuts reinforce the attachments and provide low-failure risk primarily in sheet metal applications. Tapered robotics expansion nuts are suited to automation in plastic and metals panels. Available in tapped barrel, key-hole, and speed-nut thread impressions, the tapped barrel offers the strongest attachment and is most beneficial in high volume applications.
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