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Straight Flute Drills
RH
106 TOLERANCES (inch)
D1 = +.0000/–.0005
FRACTIONAL & METRIC SERIES
TOLERANCES (mm)
TECH INFO 180 CUTTING DECIMAL OVERALL FLUTE CLEARED EDP NO. D1 = +0,0000/–0,0127
DIAMETER EQUIV. LENGTH LENGTH LENGTH UNCOATED Ti-NAMITE-A
CAST IRON
HARDENED STEELS D1 / D2 0.2500 L1 L2 L3 (AlTiN)
0.2559
1/4 0.2656 2-1/2 1-3/8 1-7/64 56116 56148
6,5 mm 0.2756 70,0 31,0 23,0 66022 66046
17/64 0.2812 2-5/8 1-7/16 1-7/64 56117 56149
7,0 mm 0.2953 74,0 34,0 25,0 66023 66024
0.2969 2-11/16 1-1/2 1-13/64 56118 56150
9/32 0.3125 74,0 34,0 25,0 66025 66026
7,5 mm 0.3150 2-3/4 1-9/16 1-1/4 56119 56151
19/64 0.3281 2-13/16 1-5/8 1-19/64 56120 56152
0.3346 79,0 37,0 27,0 66027 66028
5/16 0.3438 2-15/16 1-11/16 1-23/64 56121 56153
8,0 mm 0.3543 79,0 37,0 27,0 66029 66030
21/64 0.3594 3-11/64 1-11/16 1-23/64 56122 56154
8,5 mm 0.3740 84,0 40,0 29,0 66031 66032
11/32 0.3750 3-1/16 1-3/4 1-13/32 56123 56155
9,0 mm 0.3906 84,0 40,0 29,0 66033 66034
23/64 0.3937 3-1/8 1-13/16 1-29/64 56124 56156
9,5 mm 0.4062 3-1/4 1-7/8 1-1/2 56125 56157
0.4134 89,0 43,0 31,0 66035 66036
3/8 0.4219 3-5/16 1-15/16 1-35/64 56126 56158
25/64 0.4331 95,0 43,0 31,0 66037 66038
10,0 mm 0.4375 3-3/8 1-39/64 56127 56159
13/32 0.4528 95,0 2 33,0 66039 66040
10,5 mm 0.4531 3-7/16 47,0 1-21/32 56128 56160
27/64 0.4688 95,0 2-1/16 33,0 66041 66042
11,0 mm 0.4724 3-9/16 47,0 1-45/64 56129 56161
7/16 0.4844 3-5/8 2-1/8 1-45/64 56130 56162
11,5 mm 0.5000 102,0 2-1/8 35,0 66043 66044
29/64 3-11/16 51,0 1-3/4 56131 56163
15/32 3-3/4 2-3/16 1-51/64 56132 56164
12,0 mm 2-1/4
31/64
1/2
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