E54 221. -0,1 d3 d4 X +0,2 4 +0,5 l 1 l 2 d2 h6 d1 h6 R13 +0,5 d1 d4 PUNCH DIN 9844, SHAPE B Material: HSS Order No 221.3. Hardness: Shaft 64 ± 2 HRC Head 52 ± 3 HRC HST Order No 221.4. 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 B = 221. Material MAT HSS = 3. Cutting diameter d1 5 mm = 0500. Length l1 71 mm = 071 Order No = 221.3.0500. 071 Gradation d1 d1 d2 d3 l2 r l1 71 90 112 0.1 0.05 2 3.6 7 0.2 ● ● ● 1.95 0.05 2.5 4 7 0.2 ● ● ● 2.5 0.1 3.2 5 7 0.3 ● ● ● 3.2 0.1 4 7 7 0.3 ● ● ● 4 0.1 5 8.5 7 0.5 ● ● ● 5 0.1 6.3 10 7 0.5 ● ● ● 6.3 0.1 8 12 16 0.7 ● ● ● 8 0.1 10 14.5 16 0.7 ● ● ● 10 0.1 12.5 18 16 1 ● ● ● 12.5 0.1 16 22 16 1 ● ● ● 221. Punch DIN 9844, Shape B
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