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Standard Inserts

Press-Fit Inserts for Plastic
ThreadMaximum Insert Length(in)Hole Diameter(in)

UNC/UNF

 
 

0-80 UNC

0.125

0.094

2-56 UNC

0.156

0.125

4-40 UNC

0.188

0.156

6-32 UNC

0.250

0.188

8-32 UNC

0.313

0.219

10-24 UNC

0.375

0.250

10-32 UNF

0.375

0.250

1/4-20 UNC

0.500

0.313

5/16-18 UNC

0.563

0.375

3/8-16 UNC

0.625

0.438

 
ThreadMaximum Insert Length(in)Hole Diameter(in)

Metric

 
 

M3x0.5

0.189

0.157

M3.5×0.6

0.252

0.189

M4x0.7

0.315

0.220

M5x0.8

0.374

0.252

M6x1.0

0.500

0.315

Tapping Inserts for Plastic

ThreadMaximum Insert Length(in)Hole Diameter(in)

2-56 UNC

0.188

0.1285

4-40 UNC

0.234

0.152

6-32 UNC

0.281

0.196

8-32 UNC

0.328

0.228

10-24 UNF

0.375

0.266

10-32 UNF

0.375

0.266

1/4-20 UNC

0.484

0.339

Heat-Set Inserts for Plastic

ThreadsMaximum Insert Length(in)Hole Diameter(in)

UNC/UNF

 
 

0-80 UNC UNC

0.115

0.118

2-56 UNC

0.188

0.107

4-40 UNC

0.219

0.141

6-32 UNC

0.250

0.185

8-32 UNC

0.312

0.206

10-24 UNC

0.375

0.246

10-32 UNF

0.375

0.246

1/4-20 UNC

0.500

0.316

Helical Inserts

ThreadMaximum Insert Length(in)Hole Diameter(in)

UNC/UNF

 
 

2-56 UNC

0.215

0.091

4-40 UNC

0.336

0.118

4-48 UNF

0.168

0.118

5-40 UNC

0.250

0.134

6-32 UNC

0.414

0.146

8-32 UNC

0.172

0.25

8-36 UNF

0.172

0.28

10-24 UNC

0.201

0.28

10-32 UNF

0.570

0.201

1/4-20 UNC

0.750

0.264

Metric

 
 

M2x0.4

0.086

0.083

M2.5×0.45

0.248

0.104

M3x0.5

0.295

0.126

M4x0.7

0.394

0.167

M5x0.8

0.492

0.209

M6x1.0

0.590

0.248

M8x1.25

0.787

0.331

M10x1.5

0.591

0.413

M12x1.75

0.472

0.492

Dowel Pins

Pin SizeDecimal Size (in)Max Pin Length (in)

Inch

 
 

1/32″

0.03125

.625

1/16″

0.0625

1.000

3/32″

0.09375

1.000

1/8″

0.125

1.000

5/32″

0.15625

0.500

3/16″

0.1875

1.000

1/4″

0.250

1.000

Metric

 
 

1mm

0.0394

0.394

1.5mm

0.059

0.630

2mm

0.0787

0.787

2.5mm

0.0984

0.472

3mm

0.118

1.181

4mm

0.157

1.575

5mm

0.197

0.787

6mm

0.236

0.551

8mm

0.315

0.787

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