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Threaded Inserts > Specifications > Speedserts®
Speedserts® - Key Features:
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Speedserts self-threading inserts form strong threads in softer metals and plastics for a very high pull-out resistance. Their locking action makes them very resistant to vibration.
- Very High pull-out resistance.
- Suitable for a wide range of softer metals and plastics.
- Symmetric design for automatic feeding.
- One-step installation.
- No metal chips.
Ideal for automatic feed installations. Symmetrical design allows inserts to be installed using either end.
Exterior lobes are designed to roll through the base material and lock the insert in place without leaving chips behind. The wave gently rolls through the base material pushing it back and then allowing it to return behind the wave crest to securely lock the insert in place.
High-quality internal threads are wear resistant. Unified and American Standard, class 2B, or ISO Metric standard, class 6H threads.
Speedserts threaded inserts are available in stainless steel in regular, medium, or short lengths.
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Performance Data*
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Internal Thread Size
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Effective Shear Area
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Pull-Out Resistance (lb)
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Phenolic
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Nylon
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380 Die Cast Aluminum
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2024 T4 Wrought Aluminum
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(in)
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(metric)
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(in)2
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(9,500 PSI Shear)
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(12,000 PSI Shear)
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(30,000 PSI Shear)
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(40,000 PSI Shear)
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2
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2
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0.015
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140
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180
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450
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600
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4
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3
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0.025
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240
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300
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750
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1000
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6
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3.5
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0.040
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380
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480
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1200
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1600
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8
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4
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0.055
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520
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660
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1650
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2200
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10
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5
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0.075
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710
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900
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2250
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3000
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1/4
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6
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0.125
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1190
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1500
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3750
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5000
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*Representative performance data for regular length. Preproduction prototype testing recommended for your application.
Pull-Out Resistance
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Specifications table key:
Refer to the 'Specifications' table below for the measurements that correspond to this diagram.
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Inch Sizes
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Metric Sizes
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D
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L
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A
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H
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C
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Internal Threads
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Basic Part Number
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Internal Threads
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Basic Part Number
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Diameter
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Length*
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Internal Lock Location+
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Recommended Hole Diameter
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Counterbore Depth
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Plastics
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Aluminum
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2-56
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SP0256
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M2 x 0.4
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SPM2 x 0.4
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0.138
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0.190
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0.120
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0.125
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0.128
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0.020
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SPA0256
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SPAM2 x 0.4
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0.138
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0.160
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NA
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0.125
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0.128
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0.020
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SPB0256
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SPBM2 x 0.4
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0.138
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0.120
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NA
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0.125
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0.128
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0.020
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4-40
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SP0440
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M3 x 0.5
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SPM3 x 0.5
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0.172
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0.230
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0.150
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0.155
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0.161
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0.040
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SPA0440
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SPAM3 x 0.5
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0.172
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0.190
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0.130
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0.155
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0.161
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0.040
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SPB0440
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SPBM3 x 0.5
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0.172
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0.160
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NA
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0.155
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0.161
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0.040
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6-32
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SP0632
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M3.5 x 0.6
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SPM3.5 x 0.6
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0.216
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0.280
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0.190
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0.197
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0.204
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0.040
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SPA0632
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SPAM3.5 x 0.6
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0.216
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0.220
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0.160
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0.197
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0.204
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0.040
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SPB0632
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SPBM3.5 x 0.6
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0.216
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0.190
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NA
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0.197
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0.204
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0.040
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8-32
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SP0832
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M4 x 0.7
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SPM4 x 0.7
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0.253
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0.330
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0.210
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0.234
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0.237
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0.040
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SPA0832
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SPAM4 x 0.7
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0.253
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0.250
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0.170
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0.234
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0.237
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0.040
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SPB0832
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SPBM4 x 0.7
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0.253
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0.220
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NA
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0.234
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0.237
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0.040
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10-24
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SP1024
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M5 x 0.8
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SPM5 x 0.8
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0.280
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0.370
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0.240
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0.253
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0.263
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0.050
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SPA1024
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SPAM5 x 0.8
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0.280
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0.300
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0.210
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0.253
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0.263
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0.050
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SPB1024
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SPBM5 x 0.8
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0.280
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0.250
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NA
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0.253
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0.263
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0.050
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10-32
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SP1032
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0.280
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0.370
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0.230
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0.253
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0.263
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0.050
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SPA1032
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0.280
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0.300
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0.200
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0.253
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0.263
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0.050
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SPB1032
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0.280
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0.250
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NA
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0.253
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0.263
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0.050
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1/4-20
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SP420
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M6 x 1.0
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SPM6 x 1.0
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0.370
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0.490
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0.320
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0.340
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0.348
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0.050
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SPA420
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SPAM6 x 1.0
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0.370
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0.370
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0.260
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0.340
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0.348
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0.050
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SPB420
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SPBM6 x 1.0
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0.370
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0.312
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NA
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0.340
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0.348
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0.050
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1/4-28
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SP428
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0.370
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0.490
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0.290
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0.340
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0.348
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0.050
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SPA428
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0.370
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0.370
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0.230
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0.340
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0.348
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0.050
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SPB428
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0.370
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0.312
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NA
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0.340
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0.348
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0.050
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Part Number Specifications = Length Prefix + Metric Prefix + Lock Prefix + Internal Threaded Size
Example:
10-32 Medium-length, threaded insert:
SPA1032
3 x 0.5 Regular-length, metric threaded insert with internal lock:
SPML3 x 0.5
NA = Not Available
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*Length Prefix
SP = Regular
SPA = Medium
SPB = Short
Metric Prefix
(None) = Inch size
M = Metric
+Lock Prefix
(None) = Non-locking threaded insert with passivation
L = Locking threaded insert with dry lubricant finish
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