Parabolic flute twist drills DIN 1869

Parabolic flute twist drills DIN 1869
Material:HSS Cobalt,HSS
Technic:Fully ground.
Size:0.5mm--15mm.                                                                                                  Application: All ordinary and deeper hole drilling work for steel, cast iron, non-ferrous metal, plastic materials etc.
Detail Size:We also can supply you special size as your inquiry.

Size	Total Length	Flute Length
mm	mm	mm
0.50	32	12
1.00	56	33
1.10	60	37
1.50	70	45
2.00	85	56
2.50	95	62
3.00	100	66
3.50	112	73
4.00	119	78
4.50	126	82
5.00	132	87
5.50	139	91
6.00	139	91
6.50	148	97
7.00	156	102
7.50	156	102
8.00	165	109
8.50	165	109
9.00	175	115
9.50	175	115
10.00	184	121
10.20	184	121
10.50	184	121
11.00	195	128
11.50	195	128
12.00	205	134
12.50	205	134
13.00	205	134