1.countersink with parallel shank 2.angle 60/ 90/120 degree 3.straight shank / taper shank 4.material: hss

countersink with parallel shank

They are used to chamfering angle for round hole on work piece or drilling 60°90°120°taper holes.

Size : (mm)

 

Flute Dia.	Shank Dia.	Overall Length		Flute Length		No. of Teeth
		60°	90°&120°	60°	90°&120°
8	8	48	44	16	12	1.6
10		50	46	18	14	2
12.5		52	48	20	16	2.5
16	10	60	56	24	20	3.2
20		64	60	28	24	4
25		69	65	33	29	7

countersink with parallel shank