Page 76 of Bore Line Hole Making by Ingersoll Cutting Tools

i er collet er spring collets din 6499 aa .0002 ultra precision `aa 46-48 hrc ra 4µin designation er40 spr .120 159 aa er40 spr .159 199 aa er40 spr .199 238 aa er40 spr .238 278 aa er40 spr .278 317 aa er40 spr .317 356 aa er40 spr .356 396 aa er40 spr .396 435 aa er40 spr .435 474 aa er40 spr .474 514 aa er40 spr .514 553 aa er40 spr .553 593 aa er40 spr .593 632 aa er40 spr .632 671 aa er40 spr .671 711 aa er40 spr .711 750 aa er40 spr .750 789 aa er40 spr .789 829 aa er40 spr .829 868 aa er40 spr .868 907 aa er40 spr .907 947 aa er40 spr .947 986 aa er40 spr .986-1.025 aa diameter range 1/8 120 159 3/16 159 199 7/32 199 238 1/4 238 278 5/16 278 317 11/32 317 356 3/8 356 396 13/32 396 435 7/16 435 474 1/2 474 514 17/32 514 553 9/16 553 593 5/8 593 632 21/32 632 671 11/16 671 711 3/4 711 750 25/32 750 789 13/16 789 829 27/32 829 868 7/8 868 907 15/16 907 947 31/32 947 986 1 986-1.025 diameter range mm 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10-11 11-12 12-13 13-14 14-15 15-16 16-17 17-18 18-19 19-20 20-21 21-22 22-23 23-24 24-25 25-26 76

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