Guidelines
Tapping Guidelines
Tapping is a method of creating internal threads in pre-cut holes of a sheet metal piece, allowing for secure attachment of threaded components like screws or bolts.
In sheet metal fabrication, tapping plays an essential role in the assembly of parts and their functionalities. It refers to the method of creating internal threads in pre-cut holes of a sheet metal piece, allowing for secure attachment of threaded components like screws or bolts.
Tapping in sheet metal fabrication is crucial for constructing a broad range of products, as it facilitates the assembly and disassembly of components. The process grants design flexibility and enables the creation of durable, robust structures. Whether it's an electronics enclosure, a machine component, or a piece of furniture, if it involves joining sheet metal parts, tapping likely plays a vital role.
| Name | Units | Hole Size | Outer Diameter |
|---|---|---|---|
| #4-40 Tap | in | 0.089" | 0.112" |
| #6-32 Tap | in | 0.107" | 0.138" |
| #8-32 Tap | in | 0.136" | 0.164" |
| #10-24 Tap | in | 0.150" | 0.190" |
| #10-32 Tap | in | 0.159" | 0.190" |
| 1/4-20 Tap | in | 0.201" | 0.250" |
| 1/4-28 Tap | in | 0.213" | 0.250" |
| 5/16-18 Tap | in | 0.257" | 0.313" |
| 5/16-24 Tap | in | 0.270" | 0.313" |
| M2x0.4 Tap | mm | 0.063" | 0.079" |
| M3x0.5 Tap | mm | 0.098" | 0.118" |
| M4x0.7 Tap | mm | 0.130" | 0.157" |
| M5x0.8 Tap | mm | 0.165" | 0.197" |
| M6x1.0 Tap | mm | 0.197" | 0.236" |
| M8x1.25 Tap | mm | 0.268" | 0.315" |
| M10x1.5 Tap | mm | 0.335" | 0.394" |