en English
elimold brand logo

Standard Thread

Standard Threads

Internal Threads:

ThreadHole Diameter(in)Max Thread Depth(in)

0-80 UNC

0.047

0.157

1-64 UNC

0.059

0.177

2-56 UNC

0.070

0.306

2-64 UNF

0.070

0.306

4-40 UNC

0.089

0.394

4-48 UNF

0.094

0.394

5-40 UNC

0.102

0.438

5-44 UNF

0.104

0.438

6-32 UNC

0.107

0.481

6-40 UNF

0.113

0.481

8-32 UNC

0.136

0.525

8-36 UNF

0.136

0.525

10-24 UNC

0.150

0.612

10-32 UNF

0.159

0.612

1/4-20 UNC

0.201

0.750

1/4-28 UNF

0.213

0.750

5/16-18 UNC

0.257

0.844

5/16-24 UNF

0.272

0.844

3/8-16 UNC

0.313

0.938

3/8-24 UNF

0.332

0.938

7/16-14 UNC

0.368

1.078

7/16-20 UNF

0.391

1.078

1/2-13 UNC

0.422

1.242

1/2-20 UNF

0.453

1.242

9/16-12 UNC

0.484

1.250

9/16-18 UNF

0.500

1.250

5/8-11 UNC

0.531

1.250

5/8-18 UNF

0.563

1.250

3/4-10 UNC

0.656

1.250

3/4-16 UNF

0.688

1.250

MetricHole Diameter(in)Max Thread Depth(in)

M2x0.4

0.063

0.306

M2.5×0.45

0.081

0.350

M3x0.5

0.098

0.438

M3.5×0.6

0.114

0.481

M4x0.7

0.130

0.525

M5x0.8

0.165

0.612

M6x1.0

0.197

0.750

M8x1.25

0.264

0.900

M10x1.5

0.335

0.938

M12x1.75

0.402

1.242

STI ThreadsHole Diameter(in)Max Thread Depth(in)

2-56 UNC

0.091

0.306

4-40 UNC

0.118

0.394

4-48 UNF

0.118

0.394

5-40 UNC

0.134

0.438

6-32 UNC

0.146

0.481

8-32 UNC

0.172

0.525

8-36 UNF

0.172

0.525

10-24 UNC

0.201

0.612

10-32 UNF

0.201

0.612

1/4-20 UNC

0.264

0.750

M2x0.4

0.083

0.306

M2.5×0.45

0.104

0.350

M3x0.5

0.126

0.438

M4x0.7

0.167

0.525

M5x0.8

0.209

0.612

M6x1.0

0.248

0.750

M8x1.25

0.331

0.900

M10x1.5

0.413

0.938

M12x1.75

0.492

1.242

 
 

External Threads

ThreadBoss Diameter (in)Max Thread Length (in)

UNC/UNF

 
 

2-56 UNC

0.086

0.20

2-64 UNF

0.086

0.20

4-40 UNC

0.112

0.22

4-48 UNF

0.112

0.22

5-40 UNC

0.125

0.25

5-44 UNF

0.125

0.25

6-32 UNC

0.138

0.28

6-40 UNF

0.138

0.28

8-32 UNC

0.164

0.33

8-36 UNF

0.164

0.33

10-24 UNC

0.190

0.38

10-32 UNF

0.190

0.38

1/4-20 UNC

0.250

0.50

1/4-28 UNF

0.250

0.50

5/16-18 UNC

0.313

0.675

5/16-24 UNF

0.313

0.675

3/8-16 UNC

0.375

0.75

3/8-24 UNF

0.375

0.75

7/16-14 UNC

0.438

0.875

7/16-20 UNF

0.438

0.875

1/2-13 UNC

0.500

1.00

1/2-20 UNF

0.500

1.00

9/16-12 UNC

0.563

1.25

9/16-18 UNF

0.563

1.25

5/8-11 UNC

0.625

1.25

5/8-18 UNF

0.625

1.25

3/4-10 UNC

0.750

1.50

3/4-16 UNF

0.750

1.50

7/8-9 UNC

0.875

2.00

7/8-14 UNF

0.875

2.00

1″-8 UNC

1.000

2.50

1″-12 UNF

1.000

2.50

 
MetricBoss Diameter (in)Max Thread Length (in)

M2x0.4

0.079

0.276

M2.5×0.45

0.098

0.276

M3x0.5

0.118

0.276

M3.5×0.6

0.138

0.276

M4x0.7

0.157

0.500

M5x0.8

0.197

0.500

M6x1.0

0.236

0.500

M8x1.25

0.315

0.500

M10x1.5

0.394

1.000

M12x1.75

0.472

1.000

M14x2.0

0.551

1.500

M16x2.5

0.630

1.500

M24x3.0

0.945

2.000

Ready to Get Your Project Started?