Fractional AlumaZips - 55 Degree Helix

Unique 55° design for speed and finish in aluminum and non-ferrous metals. Available in PowerA (AlTiN), PowerZ (ZrN), and uncoated carbide.

OD	LOC	SHK	OAL	Uncoated 2 Flute	PowerZ 2 Flute
1/8	1/2	1/8	1-1/2	428-202	428-202-4
5/32	9/16	5/32	2	428-204	428-204-4
3/16	3/4	3/16	2	428-206	428-206-4
1/4	3/4	1/4	2-1/2	428-208	428-208-4
5/16	3/4	5/16	2-1/2	428-210	428-210-4
3/8	7/8	3/8	2-1/2	428-212	428-212-4
1/2	1	1/2	3	428-214	428-214-4
9/16	1-1/4	9/16	3	428-216	428-216-4
5/8	1-1/4	5/8	3-1/2	428-218	428-218-4
3/4	1-1/2	3/4	4	428-220	428-220-4
1	1-1-2	1	4	428-222	428-222-4

Metric Alumazips - 55 Degree Helix

OD	LOC	SHK	OAL	Uncoated
3	12	3	38	528-202
4	14	4	50	528-204
5	19	5	50	528-206
6	19	6	63	528-208
8	19	8	63	528-210
10	22	10	70	528-212
12	25	12	83	528-214
14	30	14	83	528-216
16	32	16	88	528-218
20	38	20	100	528-220
25	38	25	100	528-222