Technical information on OSG products can be downloaded in PDF format.
| Chart of material symbols(60KB) | Conversion of hardness unit(81KB) |
| Deviation of fits (JIS B0401 extract)(79KB) |
| Chart of drill hole size before tapping(72KB) | Unified screw threads(84KB) |
| Chart of die materials(161KB) |
| Carbide tools '09.01(135KB) | High-speed steel tools '10.11(106KB) |
| Alloy-tool steel tools '10.11(101KB) |
