SMPP-256
Nuts for Ultra-Thin Sheets – Type SMPP
SMPP-256
Nuts for Ultra-Thin Sheets – Type SMPP
Type SMPP self-clinching nuts are for installation into ultra-thin sheets.
- Installs into stainless steel sheets as thin as .025”.
- Corrosion resistance similar to 300 series stainless steel.
- Reduced outer dimensions and thinner sheet capabilities compared to type SP thread sizes.
- Recommended for use in stainless steel sheets HRB 90 / HB 192 or less.
Specifications
- Thread Code
- 256
- Thread Size
- .086-56 (#2-56), #2-56
- Thread Specification
- 2B, ASME B1.1, Internal
- Fastener Material
- Age Hardened A286 Stainless Steel
- Standard Finish
- Passivated and/or tested, Passivated and/or tested per ASTM A380
- For Use in Sheet Hardness
- HRB 90 / HB 192 or Less
- Product Category
- Nuts for Ultra-Thin Sheets – Type SMPS, SMPP
- CAD Supplier
- PennEngineering® (PEM®)
- CADPartID
- 103686
- Application Type
- Automotive, Automotive Electronics, Datacom, Electric Vehicle Chargers, Electric Vehicles, Industrial, Telecom
- Base Panel Material
- Aluminum, Stainless Steel, Steel
- Brand
- PEM
- Fastener Characteristics
- Close To Edge, Threaded Internal
- Industry
- Automotive Electronics, Datacom & Telecom, Defense, Industrial & Commercial, Medical
- Installation Equipment/Method
- C-Frame Automatic Feed, C-Frame Manual Feed, In-Die
- PEM Product Family
- CL, SS
- Product Type
- Nuts
- Technology Type
- Self-Clinching
- Unit (Metric/Unified)
- Unified
- A Shank Max
- .024in, 0.024in
- E ± .010_in
- .220in
- Hole Size in Sheet + .003 – .000_in
- .136in
- Min. Dist. Hole C/L to Edge_in
- .160in
- Min. Sheet Thickness_in
- .025in
- C Max._in
- .135in
- T ± .010_in
- .065in
Resources
Installation & Performance Data
| TYPE | THREAD CODE | TEST SHEET MATERIAL (in.) | INSTALLATION (lbs.) | PUSHOUT (lbs.) | TORQUE-OUT (in. lbs.) | |||
|---|---|---|---|---|---|---|---|---|
| SMPP | 256 | .029" 304 Stainless Steel HRB 89 | 4500 | 50 | 10 |
| TYPE | THREAD CODE | MAX. NUT TIGHTENING TORQUE (in. lbs.) | TEST SHEET MATERIAL | SHEET HARDNESS HRB | INSTALLATION (lbs.) | PUSHOUT (lbs.) | TORQUE-OUT (in. lbs.) | TENSILE STRENGTH (lbs.) | TEST BUSHING HOLE SIZE PULL THRU SIZE TESTS (in.) |
|---|---|---|---|---|---|---|---|---|---|
| SMPP | 256 | 7.5 | .029" 304 Stainless Steel | 89 | 4500 | 50 | 10 | 640 | 0.104 |
Inventory
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