MagicDrill DRA Chamfering attachment for SS-DRC CH LF DCB LS DCON BD V Length adjustment drilling depth Holder Applicable Drill Shank Dia. Dimension (mm) Description Availability Applicable Inserts DCB DCON BD LF LS V S20-CH10 N 10 20 29 122 52 17 CT08T2-45A S32-CH12 N 12 38 133 21 S32-CH14 N 14 40 137 16 32 62 CT12T3-45A S32-CH16 N 16 42 141 19 S32-CH18 N 18 47 144 15 Chamfering attachment is dedicated for Straight Shank SS-DRC. : Available It cannot be used for Flanged Shank SF-DRC. Drilling depth and chamfering dimension 90˚ K Ts T Drilling DC Drill dia. (mm) Drilling depth (mm) Chamfering dimension (mm) DC Ts Applicable chamfering T(3D drill) T(5D drill) T(8D drill) holder min. max. min. max. min. max. min. max. Ts 100 Ts max. 7.94 8.49 11 19 21 37 47 63 8.50 8.99 12 21 24 40 51 67 2.5 5.0 S20-CH10 9.00 9.49 12 23 27 43 56 72 9.50 9.99 13 25 31 47 61 77 10.00 10.49 13 26 28 49 60 81 10.50 10.99 14 28 31 52 64 85 3.5 7.0 S32-CH12 11.00 11.49 14 30 34 55 69 90 11.50 11.99 15 32 37 58 73 94 12.00 12.49 15 30 41 56 79 94 12.50 12.99 17 32 44 59 83 96 4.0 8.0 S32-CH14 13.00 13.49 19 34 47 62 88 103 13.50 13.99 21 36 51 66 93 108 14.00 14.49 19 37 50 68 94 112 14.50 14.99 21 39 53 71 98 116 4.0 8.0 S32-CH16 15.00 15.99 25 43 59 77 107 125 16.00 16.99 30 44 66 80 117 131 4.0 8.0 S32-CH18 17.00 17.99 35 49 73 87 127 141 Ts 100: Max. chamfering dimension at the full feed. Ts max.: Max. chamfering dimension at a 50% feed reduction. (Max. chamfering dimension of machining possible without step feeding) K35