01.2025 d3 -0,1 d4 d4 = d1 +0,5 d1 h6 l1 +0,5 4 +0,2 X 220. subject to alterations PUNCH DIN 9844, SHAPE A Material: HSS Order No 220.3. Hardness: Shaft 64 ± 2 HRC Head 52 ± 3 HRC HST Order No 220.4. Hardness: Surface ≥ 950 HV 0,3 Head 52 ± 3 HRC Description of FIBRO materials for tool and die components see at the beginning of Chapter E. Execution: Punch head hot upset-forged. Shaft and shoulder precision plunge-ground. Stock lenghts: 71, 90, 112 mm. other lengths and diameters on request! r +0,1 X Detail normal execution with radius Ordering Code (example): Punch DIN 9844, Shape A = 220. Material MAT HSS = 3. Cutting diameter d1 5.5 mm = 0550. Length l1 71 mm = 071 Order No = 220. 3.0550. 071 220. Punch DIN 9844, Shape A Gradation d1 d1 d3 r l1 71 90 112 2 - 2.2 0.1 3.6 0.2 ● ● ● 2.3 - 2.5 0.1 4 0.2 ● ● ● 2.6 - 2.8 0.1 4.5 0.3 ● ● ● 2.9 - 3.2 0.1 5 0.3 ● ● ● 3.3 - 3.5 0.1 6 0.3 ● ● ● 3.6 - 3.9 0.1 7 0.3 ● ● ● 4.1 - 4.5 0.1 8 0.5 ● ● ● 4.6 - 4.9 0.1 8.5 0.5 ● ● ● 5.1 - 5.4 0.1 9 0.5 ● ● ● 5.5 - 5.9 0.1 9.5 0.5 ● ● ● 6.1 - 6.4 0.1 10 0.5 ● ● ● 6.5 - 7 0.5 10.8 0.7 ● ● ● 7.5 0.5 12 0.7 ● ● ● 8.5 - 9 0.5 13 0.7 ● ● ● 9.5 0.5 14.5 0.7 ● ● ● 10.5 - 11 0.5 16 1 ● ● ● 11.5 - 12.5 0.5 18 1 ● ● ● 13.5 - 14.5 0.5 20 1 ● ● ● 15 - 15.5 0.5 22 1 ● ● ● * For d1 = 3, 4, 5, 6, 8, 10, 13 and 16 mm see 2200.□□□ Punch, blank, DIN 9844 Shape A
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