U-256-1
Miniature Self-Clinching Fasteners – Types U, UL, FE, FEO, FEOX, FEX
U-256-1
Miniature Self-Clinching Fasteners – Types U, UL, FE, FEO, FEOX, FEX
PEM® brand miniature fasteners fit into a minimal space and provide strong, reusable threads.
Types FE, FEO and UL are self-locking. Types FE and FEO thread locking torque performance is equivalent to applicable NASM25027 specifications. Ty
Specifications
- Thread Code
- 256
- Thread Size
- #2-56
- Thread Specification
- 2B, ANSI B1.1, Internal
- Shank Code
- 1
- Fastener Material
- 300 Series Stainless Steel
- Standard Finish
- Passivated and/or tested, Passivated and/or tested per ASTM A380
- For Use in Sheet Hardness
- HRB 70 / HB 125 or Less
- Product Category
- Miniature Self-Clinching Fasteners – Types U, UL, FE, FEO, FEOX, FEX
- CAD Supplier
- PennEngineering® (PEM®)
- CADPartID
- 103692
- Thread Type
- Non-Locking
- Application Type
- Automotive Electronics, Consumer Electronics, Datacom, Telecom
- Base Panel Material
- Aluminum, Steel
- Brand
- PEM
- Fastener Characteristics
- Locking, Miniature, Threaded Internal
- Industry
- Automotive Electronics, Consumer Electronics, Datacom & Telecom
- Installation Equipment/Method
- C-Frame Automatic Feed, C-Frame Manual Feed
- PEM Product Family
- FE
- Product Type
- Nuts
- Technology Type
- Self-Clinching
- Unit (Metric/Unified)
- Unified
- A Shank Max
- .031in, 0.031in
- C + .000 – .005_in
- .144in
- E ± .005_in
- .160in
- Hole Size in Sheet + .003 – .000_in
- .144in
- Max. Hole in Attached Parts_in
- .106in
- Min. Dist. Hole C/L to Edge_in
- .110in
- D Max._in
- .106in
- Sheet Thickness_in
- .030 to .036in
- T + .015 -.000_in
- .065in
Resources
Installation & Performance Data
TYPE | THREAD CODE | SHANK CODE | TEST SHEET MATERIAL | INSTALLATION (lbs.) | PUSHOUT (lbs.) | TORQUE-OUT (in. lbs.) | ||
---|---|---|---|---|---|---|---|---|
U, UL | 256 | 0 | 5052-H34 Aluminum | 1000 | 20 | 4 | ||
U, UL | 256 | 1 | 5052-H34 Aluminum | 1000 | 20 | 4 | ||
U, UL | 256 | 0 | Cold-Rolled Steel | 1300 | 30 | 4 | ||
U, UL | 256 | 1 | Cold-Rolled Steel | 1300 | 30 | 4 |
Inventory
Distributor | Quantity | Contact | Phone | Address | Locations |
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