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Standard Inserts

Press-Fit Inserts for Plastic
ThreadMaximum Insert Length(in)Hole Diameter(in)
UNC/UNF
0-80 UNC0.1250.094
2-56 UNC0.1560.125
4-40 UNC0.1880.156
6-32 UNC0.2500.188
8-32 UNC0.3130.219
10-24 UNC0.3750.250
10-32 UNF0.3750.250
1/4-20 UNC0.5000.313
5/16-18 UNC0.5630.375
3/8-16 UNC0.6250.438
ThreadMaximum Insert Length(in)Hole Diameter(in)
Metric
M3x0.50.1890.157
M3.5×0.60.2520.189
M4x0.70.3150.220
M5x0.80.3740.252
M6x1.00.5000.315

Tapping Inserts for Plastic

ThreadMaximum Insert Length(in)Hole Diameter(in)
2-56 UNC0.1880.1285
4-40 UNC0.2340.152
6-32 UNC0.2810.196
8-32 UNC0.3280.228
10-24 UNF0.3750.266
10-32 UNF0.3750.266
1/4-20 UNC0.4840.339

Heat-Set Inserts for Plastic

ThreadsMaximum Insert Length(in)Hole Diameter(in)
UNC/UNF
0-80 UNC UNC0.1150.118
2-56 UNC0.1880.107
4-40 UNC0.2190.141
6-32 UNC0.2500.185
8-32 UNC0.3120.206
10-24 UNC0.3750.246
10-32 UNF0.3750.246
1/4-20 UNC0.5000.316

Helical Inserts

ThreadMaximum Insert Length(in)Hole Diameter(in)
UNC/UNF
2-56 UNC0.2150.091
4-40 UNC0.3360.118
4-48 UNF0.1680.118
5-40 UNC0.2500.134
6-32 UNC0.4140.146
8-32 UNC0.1720.25
8-36 UNF0.1720.28
10-24 UNC0.2010.28
10-32 UNF0.5700.201
1/4-20 UNC0.7500.264
Metric
M2x0.40.0860.083
M2.5×0.450.2480.104
M3x0.50.2950.126
M4x0.70.3940.167
M5x0.80.4920.209
M6x1.00.5900.248
M8x1.250.7870.331
M10x1.50.5910.413
M12x1.750.4720.492

Dowel Pins

Pin SizeDecimal Size (in)Max Pin Length (in)
Inch
1/32″0.03125.625
1/16″0.06251.000
3/32″0.093751.000
1/8″0.1251.000
5/32″0.156250.500
3/16″0.18751.000
1/4″0.2501.000
Metric
1mm0.03940.394
1.5mm0.0590.630
2mm0.07870.787
2.5mm0.09840.472
3mm0.1181.181
4mm0.1571.575
5mm0.1970.787
6mm0.2360.551
8mm0.3150.787

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