Product Description
| Head type (Alternate names) |
Raised (Raised countersunk, Oval, Instrument) |
| Size | 3 BA (British Association) |
| Shank diameter nominal | 0.161" (4.1mm) |
| Pitch | 34.8 tpi |
| Length (measured from the widest part of the head) |
3/4" |
| Drive | Slot |
| Material | Stainless 304 |
| Finish | Natural |
| Head diameter max. | 0.293"" |
| Head angle | 90 ± 2 degrees |
| Standard | BS 57 : 1951 |
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