Blanks with oil hole

Blanks with several types of branch holes are available.
The smallest hole diameter is 0.7x30 L.

Hole diameter	Blind hole depth	Through hole depth	Available hole diameters
0.8	70L	140L	ー
1.0〜2.4	190L	320L	0.2step
2.6〜5.8	250L	320L	0.4step
6.0〜11.0	190L	320L	1.0step

Blanks with helical flute

By cutting a helical flute in a blank, the time required for flute cutting is drastically shortened.

Work diameter	Diameter 12~45
Work length	50~230L
Flute length	To 190L
Helical angle	40° or below
Helical direction	Right blade warped only to the right

Angles of straight, 8°, 15°, 20°, 30° are prepared, and each diameter with several different hole diameters, and pitches are available.

For more information, please check the page of Cemented carbide rod.

	8° warped	20° warped	Straight hole
Diameter	To 5.8~14.8 1mm interval	8.8  10.8  12.8	To 5.8~14.8 1mm interval
Length	320L	150L  170L	320L

Round bar blanks

We tailor shapes to our customers' requirements and to enable rapid production.

Diameter	Length	Diameter	Length
3.7〜4.0	To 80L	12.1〜15.0	To 250L
4.1〜4.5	To 120L	15.1〜40.0	To 320L
4.6〜6.0	To 150L	40.1〜46.0	To 270L
6.1〜9.0	To 180L	46.1〜50.0	To 200L
9.1〜12.0	To 210L

Use Grouping	Grade	Hardness (HRA)	T.R.S. (GPa)	Density
K01	KN05	92.6	2.6	14.8
K10	KN10	91.6	2.7	14.7
K20	G3	91.1	3.2	14.9
K30	G4	90.0	3.3	14.6
K40	G5	89.4	3.5	14.3

Use Grouping	Grade	Hardness (HRA)	T.R.S. (GPa)	Density
Z01	ZN01	93.1	3.5	14.3
Z10	ZN15	92.0	3.0	14.2