Worked hole row: 5 holes in a 5.00 mm tabOutside span(5 − 1) × 0.80 + 0.50 = 3.70 mmSymmetric end material(5.00 − 3.70) / 2 = 0.65 mm per sideLigament between holes0.80 − 0.50 = 0.30 mm³ԹÏtv · Original engineering schematic · Illustrative, not to scale