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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Nuts for Sheet Metal > Floating Nuts – Types A4, AS, AC, LA4, LAC, LAS > Floating self-clinching fasteners A4, AS, AC > Floating Self-Clinching Fasteners A4, AS, AC - Unified > View Items  

Floating Self-Clinching Fasteners A4, AS, AC - Unified

 
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Locking and Non-locking Threads
These fasteners provide load-bearing threads in thin sheets and permit up to .030” adjustment for mating  hole misalignment.

The self-clinching feature offers fast and simple assembly. The fasteners are squeezed into prepared holes using  any standard press. The sheet remains flush on one side, and the fastener is permanently locked in place.

Extra strength and support in assembly is obtained by the threads of the floating nut extending fully into the  retainer shank (a unique PEM feature). A self-locking version of the fastener is also offered. Thread locking torque  performance is equivalent to applicable NASM25027 specifications.

Non-locking Type A4 and self-locking Type LA4 fasteners provide load-bearing threads in stainless steel sheets  as thin as .038” with hardness up to HRB 88 on the Rockwell “B” scale.

Many PEM Type AS and AC self-clinching floating fasteners correspond to sizes in US NASM45938/11 specifications. Check our  web site for a complete Military Specification and National Aerospace Standards Reference Guide (Bulletin NASM).


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Part #

Thread Size

A (Shank) Max.

Hole Size in Sheet + .003 - .000

C Max.

E ± .015

Fastener Material

Standard Finish - Retainer & Nut

CAD
AS-440-1ZI .112-40 (#4-40) 0.038 in .290 in .289 in .360 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-632-1ZI .138-32 (#6-32) 0.038 in .328 in .327 in .390 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-832-1ZI .164-32 (#8-32) 0.038 in .368 in .367 in .440 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-024-1ZI .190-24 (#10-24) 0.038 in .406 in .405 in .470 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-032-1ZI .190-32 (#10-32) 0.038 in .406 in .405 in .470 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-440-2ZI .112-40 (#4-40) .054 in .290 in .289 in .360 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-632-2ZI .138-32 (#6-32) .054 in .328 in .327 in .390 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-832-2ZI .164-32 (#8-32) .054 in .368 in .367 in .440 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-024-2ZI .190-24 (#10-24) .054 in .406 in .405 in .470 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-032-2ZI .190-32 (#10-32) .054 in .406 in .405 in .470 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-0420-2ZI .250-20 (1/4-20) .054 in .515 in .514 in .600 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AS-0428-2ZI .250-28 (1/4-28) .054 in .515 in .514 in .600 in Steel Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless CAD Icon (for items table)
AC-440-1 .112-40 (#4-40) 0.038 in .290 in .289 in .360 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-632-1 .138-32 (#6-32) 0.038 in .328 in .327 in .390 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-832-1 .164-32 (#8-32) 0.038 in .368 in .367 in .440 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-024-1 .190-24 (#10-24) 0.038 in .406 in .405 in .470 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-032-1 .190-32 (#10-32) 0.038 in .406 in .405 in .470 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-440-2 .112-40 (#4-40) .054 in .290 in .289 in .360 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-632-2 .138-32 (#6-32) .054 in .328 in .327 in .390 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-832-2 .164-32 (#8-32) .054 in .368 in .367 in .440 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-024-2 .190-24 (#10-24) .054 in .406 in .405 in .470 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-032-2 .190-32 (#10-32) .054 in .406 in .405 in .470 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-0420-2 .250-20 (1/4-20) .054 in .515 in .514 in .600 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
AC-0428-2 .250-28 (1/4-28) .054 in .515 in .514 in .600 in 300 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
A4-440-1 .112-40 (#4-40) 0.038 in .290 in .289 in .360 in 400 Series Stainless Steel Passivated and/or tested per ASTM A380 CAD Icon (for items table)
  Results 1 - 25 of 29 1 2