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.
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Item #

Item Name

Panel Thickness

Screw Size

Hole Length

N/A M4.2 Screw Size Metal Expansion Nut N/A 2.3 mm2.8 mm N/A M4.2 N/A 11.8 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 2.3 mm2.8 mm N/A M4.2 x 1.41 N/A 9.1 mm
N/A 8-18 Screw Size Metal Expansion Nut N/A 1 mm1.5 mm N/A 8-18 N/A 8.65 mm
N/A M4.2 x 1.69 Screw Size Metal Expansion Nut N/A 2.1 mm2.5 mm N/A M4.2 x 1.69 N/A 8.1 mm
N/A M4.2 x 1.69 Screw Size Metal Expansion Nut N/A 2.1 mm2.5 mm N/A M4.2 x 1.69 N/A 8.1 mm
N/A 8-18 Screw Size Metal Expansion Nut N/A 0.7 mm1 mm N/A 8-18 N/A 8.65 mm
N/A 10-12 Screw Size Metal Expansion Nut N/A 0.036 mm0.056 mm N/A 10-12 N/A 0.505 in
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 0.7 mm2.15 mm N/A M4.2 x 1.41 N/A 8.65 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 0.7 mm1 mm N/A M4.2 x 1.41 N/A 8.65 mm
N/A 8-18 Screw Size Metal Expansion Nut N/A 1.4 mm2.1 mm N/A 8-18 N/A 8.65 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 1.25 mm1.75 mm N/A M4.2 x 1.41 N/A 9.1 mm
N/A 10-16 Screw Size Metal Expansion Nut N/A 0.66 mm0.84 mm N/A 10-16 N/A 12 mm
N/A M6 x 1.0 Screw Size Metal Expansion Nut N/A 0.65 mm1.800 mm N/A M6 x 1.0 N/A 15 mm
N/A M6 x 1.0 Screw Size Metal Expansion Nut N/A 0.7 mm1.5 mm N/A M6 x 1.0 N/A 12.65 mm
N/A M6 x 1.0 Screw Size Metal Expansion Nut N/A 2.0 mm2.5 mm N/A M6 x 1.0 N/A 14.9 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 0.7 mm2.15 mm N/A M4.2 x 1.41 N/A 8.65 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 2.1 mm2.5 mm N/A M4.2 x 1.41 N/A 8.1 mm
N/A M4.8 x 1.59 Screw Size Metal Expansion Nut N/A 0.66 mm2.1 mm N/A M4.8 x 1.59 N/A 12 mm
N/A M6 x 1.0 Screw Size Metal Expansion Nut N/A 0.7 mm2.0 mm N/A M6 x 1.0 N/A 9.39 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 0.7 mm2.15 mm N/A M4.2 x 1.41 N/A 10.75 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 2.3 mm2.8 mm N/A M4.2 x 1.41 N/A 9.1 mm
N/A M5 x 1.6 Screw Size Metal Expansion Nut N/A 2.3 mm2.8 mm N/A M5 x 1.6 N/A 9.1 mm
N/A M6 x 1.0 Screw Size Metal Expansion Nut N/A 2.0 mm3.800 mm N/A M6 x 1.0 N/A 9.39 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 0.75 mm1.25 mm N/A M4.2 x 1.41 N/A 9.25 mm
N/A M4.2 x 1.41 Screw Size Metal Expansion Nut N/A 2.3 mm2.8 mm N/A M4.2 x 1.41 N/A 10 mm
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