1.taper shank countersink 2.countersink with taper shank/straight shank 3.60/90/120 degree 4.material: hss

taper shank countersink

SIZE

Flute Dia.	Overall Length		Flute Length		No. of M.T.	No. of Teeth
	60°	90°&120°	60°	90°&120°
16	97	93	24	20	1	6
20	120	116	28	24	2
25	125	121	33	29
31.5	132	124	40	32		8
40	160	150	45	35	3
50	165	153	50	38		10
63	200	185	58	43	4
80	215	196	73	54		12

   

taper shank countersink