Standard Threads
Standard Threads
Internal Threads
| Thread | Hole Diameter(in) | Max Thread Depth(in) |
|---|---|---|
| Thread 0-80 UNC |
Hole Diameter(in) 0.047 |
Max Thread Depth(in) 0.157 |
| Thread 1-64 UNC |
Hole Diameter(in) 0.059 |
Max Thread Depth(in) 0.177 |
| Thread 2-56 UNC |
Hole Diameter(in) 0.070 |
Max Thread Depth(in) 0.306 |
| Thread 2-64 UNF |
Hole Diameter(in) 0.070 |
Max Thread Depth(in) 0.306 |
| Thread 4-40 UNC |
Hole Diameter(in) 0.089 |
Max Thread Depth(in) 0.394 |
| Thread 4-48 UNF |
Hole Diameter(in) 0.094 |
Max Thread Depth(in) 0.394 |
| Thread 5-40 UNC |
Hole Diameter(in) 0.102 |
Max Thread Depth(in) 0.438 |
| Thread 5-44 UNF |
Hole Diameter(in) 0.104 |
Max Thread Depth(in) 0.438 |
| Thread 6-32 UNC |
Hole Diameter(in) 0.107 |
Max Thread Depth(in) 0.481 |
| Thread 6-40 UNF |
Hole Diameter(in) 0.113 |
Max Thread Depth(in) 0.481 |
| Thread 8-32 UNC |
Hole Diameter(in) 0.136 |
Max Thread Depth(in) 0.525 |
| Thread 8-36 UNF |
Hole Diameter(in) 0.136 |
Max Thread Depth(in) 0.525 |
| Thread 10-24 UNC |
Hole Diameter(in) 0.150 |
Max Thread Depth(in) 0.612 |
| Thread 10-32 UNF |
Hole Diameter(in) 0.159 |
Max Thread Depth(in) 0.612 |
| Thread 1/4-20 UNC |
Hole Diameter(in) 0.201 |
Max Thread Depth(in) 0.750 |
| Thread 1/4-28 UNF |
Hole Diameter(in) 0.213 |
Max Thread Depth(in) 0.750 |
| Thread 5/16-18 UNC |
Hole Diameter(in) 0.257 |
Max Thread Depth(in) 0.844 |
| Thread 5/16-24 UNF |
Hole Diameter(in) 0.272 |
Max Thread Depth(in) 0.844 |
| Thread 3/8-16 UNC |
Hole Diameter(in) 0.313 |
Max Thread Depth(in) 0.938 |
| Thread 3/8-24 UNF |
Hole Diameter(in) 0.332 |
Max Thread Depth(in) 0.938 |
| Thread 7/16-14 UNC |
Hole Diameter(in) 0.368 |
Max Thread Depth(in) 1.078 |
| Thread 7/16-20 UNF |
Hole Diameter(in) 0.391 |
Max Thread Depth(in) 1.078 |
| Thread 1/2-13 UNC |
Hole Diameter(in) 0.422 |
Max Thread Depth(in) 1.242 |
| Thread 1/2-20 UNF |
Hole Diameter(in) 0.453 |
Max Thread Depth(in) 1.242 |
| Thread 9/16-12 UNC |
Hole Diameter(in) 0.484 |
Max Thread Depth(in) 1.250 |
| Thread 9/16-18 UNF |
Hole Diameter(in) 0.500 |
Max Thread Depth(in) 1.250 |
| Thread 5/8-11 UNC |
Hole Diameter(in) 0.531 |
Max Thread Depth(in) 1.250 |
| Thread 5/8-18 UNF |
Hole Diameter(in) 0.563 |
Max Thread Depth(in) 1.250 |
| Thread 3/4-10 UNC |
Hole Diameter(in) 0.656 |
Max Thread Depth(in) 1.250 |
| Thread 3/4-16 UNF |
Hole Diameter(in) 0.688 |
Max Thread Depth(in) 1.250 |
| Metric | Hole Diameter(in) | Max Thread Depth(in) |
|---|---|---|
| Metric M2x0.4 |
Hole Diameter(in) 0.063 |
Max Thread Depth(in) 0.306 |
| Metric M2.5×0.45 |
Hole Diameter(in) 0.081 |
Max Thread Depth(in) 0.350 |
| Metric M3x0.5 |
Hole Diameter(in) 0.098 |
Max Thread Depth(in) 0.438 |
| Metric M3.5×0.6 |
Hole Diameter(in) 0.114 |
Max Thread Depth(in) 0.481 |
| Metric M4x0.7 |
Hole Diameter(in) 0.130 |
Max Thread Depth(in) 0.525 |
| Metric M5x0.8 |
Hole Diameter(in) 0.165 |
Max Thread Depth(in) 0.612 |
| Metric M6x1.0 |
Hole Diameter(in) 0.197 |
Max Thread Depth(in) 0.750 |
| Metric M8x1.25 |
Hole Diameter(in) 0.264 |
Max Thread Depth(in) 0.900 |
| Metric M10x1.5 |
Hole Diameter(in) 0.335 |
Max Thread Depth(in) 0.938 |
| Metric M12x1.75 |
Hole Diameter(in) 0.402 |
Max Thread Depth(in) 1.242 |
| STI Threads | Hole Diameter(in) | Max Thread Depth(in) |
|---|---|---|
| STI Threads 2-56 UNC |
Hole Diameter(in) 0.091 |
Max Thread Depth(in) 0.306 |
| STI Threads 4-40 UNC |
Hole Diameter(in) 0.118 |
Max Thread Depth(in) 0.394 |
| STI Threads 4-48 UNF |
Hole Diameter(in) 0.118 |
Max Thread Depth(in) 0.394 |
| STI Threads 5-40 UNC |
Hole Diameter(in) 0.134 |
Max Thread Depth(in) 0.438 |
| STI Threads 6-32 UNC |
Hole Diameter(in) 0.146 |
Max Thread Depth(in) 0.481 |
| STI Threads 8-32 UNC |
Hole Diameter(in) 0.172 |
Max Thread Depth(in) 0.525 |
| STI Threads 8-36 UNF |
Hole Diameter(in) 0.172 |
Max Thread Depth(in) 0.525 |
| STI Threads 10-24 UNC |
Hole Diameter(in) 0.201 |
Max Thread Depth(in) 0.612 |
| STI Threads 10-32 UNF |
Hole Diameter(in) 0.201 |
Max Thread Depth(in) 0.612 |
| STI Threads 1/4-20 UNC |
Hole Diameter(in) 0.264 |
Max Thread Depth(in) 0.750 |
| STI Threads M2x0.4 |
Hole Diameter(in) 0.083 |
Max Thread Depth(in) 0.306 |
| STI Threads M2.5×0.45 |
Hole Diameter(in) 0.104 |
Max Thread Depth(in) 0.350 |
| STI Threads M3x0.5 |
Hole Diameter(in) 0.126 |
Max Thread Depth(in) 0.438 |
| STI Threads M4x0.7 |
Hole Diameter(in) 0.167 |
Max Thread Depth(in) 0.525 |
| STI Threads M5x0.8 |
Hole Diameter(in) 0.209 |
Max Thread Depth(in) 0.612 |
| STI Threads M6x1.0 |
Hole Diameter(in) 0.248 |
Max Thread Depth(in) 0.750 |
| STI Threads M8x1.25 |
Hole Diameter(in) 0.331 |
Max Thread Depth(in) 0.900 |
| STI Threads M10x1.5 |
Hole Diameter(in) 0.413 |
Max Thread Depth(in) 0.938 |
| STI Threads M12x1.75 |
Hole Diameter(in) 0.492 |
Max Thread Depth(in) 1.242 |
External Threads
| Thread | Boss Diameter (in) | Max Thread Length (in) |
|---|---|---|
| Thread UNC/UNF |
Boss Diameter (in) | Max Thread Length (in) |
| Thread 2-56 UNC |
Boss Diameter (in) 0.086 |
Max Thread Length (in) 0.20 |
| Thread 2-64 UNF |
Boss Diameter (in) 0.086 |
Max Thread Length (in) 0.20 |
| Thread 4-40 UNC |
Boss Diameter (in) 0.112 |
Max Thread Length (in) 0.22 |
| Thread 4-48 UNF |
Boss Diameter (in) 0.112 |
Max Thread Length (in) 0.22 |
| Thread 5-40 UNC |
Boss Diameter (in) 0.125 |
Max Thread Length (in) 0.25 |
| Thread 5-44 UNF |
Boss Diameter (in) 0.125 |
Max Thread Length (in) 0.25 |
| Thread 6-32 UNC |
Boss Diameter (in) 0.138 |
Max Thread Length (in) 0.28 |
| Thread 6-40 UNF |
Boss Diameter (in) 0.138 |
Max Thread Length (in) 0.28 |
| Thread 8-32 UNC |
Boss Diameter (in) 0.164 |
Max Thread Length (in) 0.33 |
| Thread 8-36 UNF |
Boss Diameter (in) 0.164 |
Max Thread Length (in) 0.33 |
| Thread 10-24 UNC |
Boss Diameter (in) 0.190 |
Max Thread Length (in) 0.38 |
| Thread 10-32 UNF |
Boss Diameter (in) 0.190 |
Max Thread Length (in) 0.38 |
| Thread 1/4-20 UNC |
Boss Diameter (in) 0.250 |
Max Thread Length (in) 0.50 |
| Thread 1/4-28 UNF |
Boss Diameter (in) 0.250 |
Max Thread Length (in) 0.50 |
| Thread 5/16-18 UNC |
Boss Diameter (in) 0.313 |
Max Thread Length (in) 0.675 |
| Thread 5/16-24 UNF |
Boss Diameter (in) 0.313 |
Max Thread Length (in) 0.675 |
| Thread 3/8-16 UNC |
Boss Diameter (in) 0.375 |
Max Thread Length (in) 0.75 |
| Thread 3/8-24 UNF |
Boss Diameter (in) 0.375 |
Max Thread Length (in) 0.75 |
| Thread 7/16-14 UNC |
Boss Diameter (in) 0.438 |
Max Thread Length (in) 0.875 |
| Thread 7/16-20 UNF |
Boss Diameter (in) 0.438 |
Max Thread Length (in) 0.875 |
| Thread 1/2-13 UNC |
Boss Diameter (in) 0.500 |
Max Thread Length (in) 1.00 |
| Thread 1/2-20 UNF |
Boss Diameter (in) 0.500 |
Max Thread Length (in) 1.00 |
| Thread 9/16-12 UNC |
Boss Diameter (in) 0.563 |
Max Thread Length (in) 1.25 |
| Thread 9/16-18 UNF |
Boss Diameter (in) 0.563 |
Max Thread Length (in) 1.25 |
| Thread 5/8-11 UNC |
Boss Diameter (in) 0.625 |
Max Thread Length (in) 1.25 |
| Thread 5/8-18 UNF |
Boss Diameter (in) 0.625 |
Max Thread Length (in) 1.25 |
| Thread 3/4-10 UNC |
Boss Diameter (in) 0.750 |
Max Thread Length (in) 1.50 |
| Thread 3/4-16 UNF |
Boss Diameter (in) 0.750 |
Max Thread Length (in) 1.50 |
| Thread 7/8-9 UNC |
Boss Diameter (in) 0.875 |
Max Thread Length (in) 2.00 |
| Thread 7/8-14 UNF |
Boss Diameter (in) 0.875 |
Max Thread Length (in) 2.00 |
| Thread 1″-8 UNC |
Boss Diameter (in) 1.000 |
Max Thread Length (in) 2.50 |
| Thread 1″-12 UNF |
Boss Diameter (in) 1.000 |
Max Thread Length (in) 2.50 |
| Metric | Boss Diameter (in) | Max Thread Length (in) |
|---|---|---|
| Metric M2x0.4 |
Boss Diameter (in) 0.079 |
Max Thread Length (in) 0.276 |
| Metric M2.5×0.45 |
Boss Diameter (in) 0.098 |
Max Thread Length (in) 0.276 |
| Metric M3x0.5 |
Boss Diameter (in) 0.118 |
Max Thread Length (in) 0.276 |
| Metric M3.5×0.6 |
Boss Diameter (in) 0.138 |
Max Thread Length (in) 0.276 |
| Metric M4x0.7 |
Boss Diameter (in) 0.157 |
Max Thread Length (in) 0.500 |
| Metric M5x0.8 |
Boss Diameter (in) 0.197 |
Max Thread Length (in) 0.500 |
| Metric M6x1.0 |
Boss Diameter (in) 0.236 |
Max Thread Length (in) 0.500 |
| Metric M8x1.25 |
Boss Diameter (in) 0.315 |
Max Thread Length (in) 0.500 |
| Metric M10x1.5 |
Boss Diameter (in) 0.394 |
Max Thread Length (in) 1.000 |
| Metric M12x1.75 |
Boss Diameter (in) 0.472 |
Max Thread Length (in) 1.000 |
| Metric M14x2.0 |
Boss Diameter (in) 0.551 |
Max Thread Length (in) 1.500 |
| Metric M16x2.5 |
Boss Diameter (in) 0.630 |
Max Thread Length (in) 1.500 |
| Metric M24x3.0 |
Boss Diameter (in) 0.945 |
Max Thread Length (in) 2.000 |