E63 a ±0,01 a ±0,01 a ±0,01 b ±0,01 60° 60° h +0,2 h +0,2 l 1 +0,5 l 1 +0,5 231. PUNCH WITH HEAD, SQUARE / RECTANGULAR, SHAPE B Material: HSS Order No 231.3. Hardness: Shaft 64 ± 2 HRC Head 52 ± 3 HRC Description of FIBRO materials for tool and die components see at the beginning of Chapter E. Execution: Punch shaft precision ground. Heads hot upset forged - ground on special request. l1 : Stock length of square punches: 71 mm Other materials and dimensions on request. a b h l1 1 - 8 1 1.2 71 2 - 10 2 1.4 71 3 - 12 3 1.8 71 4 - 12 4 1.8 71 5 - 15 5 1.8 71 6 - 20 6 2 71 7 - 24 7 2.8 71 8 - 24 8 2.8 71 9 - 28 9 2.8 71 10 - 34 10 2.8 71 12 - 34 12 2.8 71 231. Punch with head, square / rectangular, Shape B Ordering Code (example): Punch with head, square / rectangular, Shape B = 231. Material MAT HSS = 3. Cutting length a 6 mm = 0600. Cutting width b 6 mm = 0600. Length l1 71 mm = 071 Order No = 231.3.0600. 0600. 071
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