ChamferBottoming/Plug/TaperCutting DirectionRight HandFinish/CoatingBrightMaterialHSSMeasurement SystemImperialNumber of Flutes4Number of Pieces3Overall Length2-1/2 inPackage TypeGeneric Plastic CaseSeries1693Shank Diameter0.255 inSize1/4-28Square Size0.3125 in L x 0.191 in WStyle1693Surface ConditionBrightThread FormUNFThread Length1 inThread Pitch28Thread StandardUNFTool Size1/4-28 UNFTypeStandard Straight Flute Straight Shank
| Chamfer | Bottoming/Plug/Taper |
| Cutting Direction | Right Hand |
| Finish/Coating | Bright |
| Material | HSS |
| Measurement System | Imperial |
| Number of Flutes | 4 |
| Number of Pieces | 3 |
| Overall Length | 2-1/2 in |
| Package Type | Generic Plastic Case |
| Series | 1693 |
| Shank Diameter | 0.255 in |
| Size | 1/4-28 |
| Square Size | 0.3125 in L x 0.191 in W |
| Style | 1693 |
| Surface Condition | Bright |
| Thread Form | UNF |
| Thread Length | 1 in |
| Thread Pitch | 28 |
| Thread Standard | UNF |
| Tool Size | 1/4-28 UNF |
| Type | Standard Straight Flute Straight Shank |