E40 PUNCH WITH TAPERED HEAD 30°, SHAPE D Material: HSS Order No 2281.3. Hardness: Shaft 58 + 2 HRC Head ≤ 50 HRC Description of FIBRO materials for tool and die components see at the beginning of Chapter E. Execution: Head hot upset-forged and tempered. Shaft and head subsequently precision plunge-ground for perfect concentricity and full interchangeability with replacement punches. h k 30° -0,3 4 d 1 +1 l h6 d1 d2 X X 2281. radiussed Detail d1 d2 d4 h k α ± 1° l1 100 120 5.5 8.98 5.5 7.5 1 30 ● ● 6 9.75 6 8 1 28 ● ● 8 12.8 8 10 1 22.5 ● ● 9 14.4 9 11 1 20 ● ● 10 15.9 10 12 1 19 ● ● 12 18.7 12 14 1.5 24 ● 14 21.8 14 16 1.5 21 ● 16 24.6 16 18 2 25 ● 2281. Punch with tapered head 30°, Shape D Ordering Code (example): Punch with tapered head 30°, Shape D = 2281. Material MAT HSS = 3. Shaft diameter d1 10 mm = 1000. Length l1 100 mm = 100 Order No = 2281. 3.1000. 100
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