Metric System: mm

Diameter d	Overall Length L	Flute Length l
0.20	19	2.5
0.22
0.25		3
0.28
0.30
0.32		4
0.35
0.38
0.40	20	5
0.42
0.45
0.48
0.50	22	6
0.52
0.55	24	7
0.58
0.60
0.62	26	8
0.65
0.68	28	9
0.70
0.72
0.75
0.78	30	10
0.80
0.82
0.85
0.88	32	11
0.90
0.92
0.95
0.98	34	12
1.00
1.05
1.10	36	14
1.15
1.20	38	16
1.25
1.30
1.35	40	18
1.40
1.45
1.50
1.55	43	20
1.60
1.65
1.70
1.75	46	22
1.80
1.85
1.90
1.95	49	24

Note: Pilot land is not made when diameter is smaller than 0.75mm

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