71 Form 255 – 256 – 257 – 258 Interchangeable dead centres, through-hardened for revolving tailstock sleeves. Special designs available on request. Tool Steel Dead Centres with Draw-Off Thread Morse taper, metr. 80 1:20, taper 80 1:10 LM SW G Form 256 copying centre 60°/40° Form 257 slim design 60°/30° Form 258 bullnose dead centre 60° D G d L LC d2 D LC LA L G d2 D L LC G D L LC G Form 255 similar to DIN 807 and extended, 60° Form Taper size ID.No. D d2 G SW LC L Draw-off nut 256 MT 2 2562 6 18 M22x1.5 16 48 112 M252 MT 3 2563 8 24.1 M27x1.5 22 57 138 M253 MT 4 2564 10 31.6 M36x1.5 27 72.5 175 M254 MT 5 2565 12 44.7 M48x1.5 41 87.5 217 M255 MT 6 2566 15 63.8 M68x1.5 55 136 318 M256 Draw-off nut to DIN 807 ID.No. G LM SW M252 M22x1.5 15.5 32 M253 M27x1.5 17.5 41 M254 M36x1.5 21 55 M255 M48x1.5 23 75 M256 M68x1.5 25.5 100 M257 M85x2.0 40 130 Form Taper size ID.No. D G SW LC L Draw-off nut 255 MT 2 2552 18 M22x1.5 16 48 112 M252 MT 3 2553 24.1 M27x1.5 22 57 138 M253 2553-150 24.1 M27x1.5 22 69 150 M253 2553-170 24.1 M27x1.5 22 89 170 M253 MT 4 2554 31.6 M36x1.5 27 72.5 175 M254 2554-190 31.6 M36x1.5 27 87.5 190 M254 2554-230 31.6 M36x1.5 27 127.5 230 M254 MT 5 2555 44.7 M48x1.5 41 87.5 217 M255 2555-250 44.7 M48x1.5 41 120.5 250 M255 MT 6 2556 63.8 M68x1.5 55 108 290 M256 Metr. 80 1:20 2557.20 80 M85x2 – 134 330 M257 Taper 80 1:10 2557.10 80 M85x2 – 130 330 M257 Form Taper size ID.No. D d2 G SW LA LC L Draw-off nut 257 MT 2 2572.06-120 6 18 M22x1.5 16 15 56 120 M252 2572.09-120 9 18 M22x1.5 16 17 56 120 M252 2572.11-120 11 18 M22x1.5 16 21 56 120 M252 MT 3 2573.09-150 9 24.1 M27x1.5 19 17 69 150 M253 2573.13-150 13 24.1 M27x1.5 19 25 69 150 M253 MT 4 2574.09-190 9 31.6 M36x1.5 27 17 87.5 190 M254 2574.13-190 13 31.6 M36x1.5 27 27 87.5 190 M254 2574.19-190 19 31.6 M36x1.5 27 53 87.5 190 M254 Form Taper size ID.No. D d G SW LC L Draw-off nut 258 MT 2 2582.40 40 1 M22x1.5 36 64 128 M252 2582.80x20 80 20 M22x1.5 36 88 152 M252 MT 3 2583.40 40 1 M27x1.5 36 65 146 M253 2583.80x20 80 20 M27x1.5 36 89 170 M253 MT 4 2584.80x20 80 20 M36x1.5 36 89.5 192 M254 2584.125x65 125 65 M36x1.5 36 89.5 192 M254 MT 5 2585.80x20 80 20 M48x1.5 50 100.5 230 M255 2585.100x50 100 50 M48x1.5 50 90.5 220 M255 2585.125x65 125 65 M48x1.5 50 100.5 230 M255
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