Product Categories
Engineers’ Squares
Standard: To BS939 / Grade B
• Precision ground blade and stock
• Blind rivetted construction
• Hardened and tempered blades
• Supplied boxed
| Square Size Faces | Blade - A - B | Blade - A - B | Stock - C - D - E - F | Stock - C - D - E - F | Stock - C - D - E - F | Stock - C - D - E - F | Inner Working - G H | Inner Working - G H |
| 3inch (75mm) | 104.8 | 25.4 | 1.42 | 68.5 | 25.4 | 12.7 | 49.3 | 79.4 |
| 4inch (100mm) | 130.2 | 25.4 | 1.42 | 76.2 | 25.4 | 12.7 | 57.0 | 104.8 |
| 6inch (150mm) | 181.0 | 25.4 | 1.42 | 101.6 | 25.4 | 12.7 | 82.4 | 155.6 |
| 9inch (225mm) | 273.1 | 38.1 | 3.15 | 139.7 | 38.1 | 19.05 | 107.9 | 234.95 |
| 12inch (300mm) | 355.6 | 44.4 | 3.15 | 177.8 | 44.4 | 22.2 | 139.7 | 311.2 |
