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Shallow Hole Drill (U drill)


2D Shallow hole drill (U drill)


• The cutting edge is overlapped by two inserts. The inner blade passes through the center, and th erotating diameter of the    outer blade tip is the diameter of the hole being drilled..
• The spiral groove has greater chip discharge capacity..
• The coolant passes through the inner cooling hole to the cutting site,good cooling helps to reduce cutting temperature and    remove chip, extending inserts' life.
2D Shallow hole drill sketch

2D Shallow hole drill (U drill)
NO. dm dc Lc L1 L2 L
C25-llD21-2D 25 21 42 80 56 136
C25-llD22-2D 25 22 44 80 56 136
C25-llD23-2D 25 23 46 80 56 136
C25-llD24-2D 25 24 48 80 56 136
C25-llD25-2D 25 25 50 80 56 136
C25-llD26-2D 32 26 52 96 60 156
C25-llD27-2D 32 27 54 96 60 156
C25-llD28-2D 32 28 56 97 60 157
C25-llD29-2D 32 29 58 97 60 157
C25-llD30-2D 32 30 60 97 60 157
C25-llD31-2D 32 31 62 97 60 157
C25-llD32-2D 32 32 64 97 60 157
C25-llD33-2D 32 33 66 97 60 157
C25-llD34-2D 32 34 68 97 60 157
C25-llD35-2D 32 35 70 98 60 158
C25-llD36-2D 32 36 72 98 60 158
C25-llD37-2D 32 37 74 98 60 158
C25-llD38-2D 32 38 76 98 60 158
C25-llD39-2D 32 39 78 98 60 158
C25-llD40-2D 40 40 80 116 70 186
C25-llD41-2D 40 41 82 116 70 186
C25-llD42-2D 40 42 84 116 70 186
C25-llD43-2D 40 43 86 117 70 187
C25-llD44-2D 40 44 88 117 70 187
C25-llD45-2D 40 45 90 117 70 187
C25-llD46-2D 40 46 92 117 70 187
C25-llD47-2D 40 47 94 117 70 187
C25-llD48-2D 40 48 96 117 70 187
C25-llD49-2D 40 49 98 117 70 187
C25-llD50-2D 40 50 100 117 70 188
C25-llD51-2D 40 51 102 118 70 188
C25-llD52-2D 40 52 104 118 70 188
C25-llD53-2D 40 53 106 118 70 188
C25-llD54-2D 40 54 108 118 70 188


3D Shallow hole drill (U drill)

3D Shallow hole drill sketch

3D Shallow hole drill (U drill)
NO. dm dc Lc L1 L2 L
C25-llD21-3D 25 21 63 101 56 157
C25-llD22-3D 25 22 66 102 56 158
C25-llD23-3D 25 23 69 103 56 159
C25-llD24-3D 25 24 72 104 56 160
C25-llD25-3D 25 25 75 105 56 161
C25-llD26-3D 32 26 78 122 60 182
C25-llD27-3D 32 27 81 123 60 183
C25-llD28-3D 32 28 84 125 60 185
C25-llD29-3D 32 29 87 126 60 186
C25-llD30-3D 32 30 90 127 60 187
C25-llD31-3D 32 31 93 128 60 188
C25-llD32-3D 32 32 96 129 60 189
C25-llD33-3D 32 33 99 130 60 190
C25-llD34-3D 32 34 102 131 60 191
C25-llD35-3D 32 35 105 133 60 193
C25-llD36-3D 32 36 108 134 60 194
C25-llD37-3D 32 37 111 135 60 195
C25-llD38-3D 32 38 114 136 60 196
C25-llD39-3D 32 39 117 137 60 197
C25-llD40-3D 40 40 120 156 70 226
C25-llD41-3D 40 41 123 157 70 227
C25-llD42-3D 40 42 126 158 70 228
C25-llD43-3D 40 43 129 160 70 230
C25-llD44-3D 40 44 132 161 70 231
C25-llD45-3D 40 45 135 162 70 232
C25-llD46-3D 40 46 138 163 70 233
C25-llD47-3D 40 47 141 164 70 234
C25-llD48-3D 40 48 144 165 70 235
C25-llD49-3D 40 49 147 166 70 236
C25-llD50-3D 40 50 150 167 70 237
C25-llD51-3D 40 51 153 169 70 239
C25-llD52-3D 40 52 156 170 70 240
C25-llD53-3D 40 53 153 171 70 241
C25-llD54-3D 40 54 162 172 70 242