CD-R

Low Helix Center Drills-Type R

Specification

For icon explanation, refer to P.50

TYPE:1 TYPE:2

Segment:1J

SizeCodeDs (mm)L (mm)ℓ (mm)Rmax (mm)Rmin (mm)TypeStock
For Metric threads
0.5×R×3.1500230.53.15252.121.61.251
0.8×R×3.1500230.83.15252.652.521
1×R×3.1500231.03.1531.533.152.52
1.25×R×3.1500231.23.1531.53.3543.152
1.6×R×400231.6435.54.25542
2×R×500232.05405.36.352
2.5×R×6.300232.56.3456.786.32
3.15×R×800233.18508.51082
4×R×1000234.0105610.612.5102
5×R×12.500235.012.56313.21612.52
6.3×R×1600236.316711720162
8×R×2000238.0208021.225202
10×R×2500230102510026.531.5252