McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Mill Thickness Mill Thickness

	Cut Style Cut Style


Keyseat	Slitting

T-Slot	Dovetail

Double Chamfer	Square

	Mill Diameter Mill Diameter

	For Use On For Use On

	Material Material

	Arbor Hole Diameter Arbor Hole Diameter

	Shank Diameter Shank Diameter

	Tooth Style Tooth Style

Straight

Staggered

	Neck Diameter Neck Diameter

	For Woodruff ANSI Key Number For Woodruff ANSI Key Number

202
202 1/2
203
204
302 1/2
303
304
305
403
404
405
406
505
506
507
605
606
607
608
609
610
707
708
709
710
806
807
808
809
810
811
812
1008
1009
1010
1011
1012
1208
1210
1211
1212

	Neck Length Neck Length

	Number of Teeth Number of Teeth

18
20
24
26
28
30
32
34
36
38
40
42
44
48
50
56
60
72
76
96
98
110
140
152
168
190
220
224
280
310
340
380
440
460

	Finish Finish

Uncoated

Titanium Carbonitride (TiCN)
Coated

Titanium Aluminum Nitride
(TiAlN) Coated

	Overall Length Overall Length

	For T-Slot Bolt Size For T-Slot Bolt Size

	Number of Flutes Number of Flutes

	2		3
	4

	Chamfer Angle Chamfer Angle

24°

45°

60°

	Length of Cut Length of Cut

	Keyway Width Keyway Width

	Cutting Angle Cutting Angle

60°

90°

	For O-Ring Width For O-Ring Width

	Diameter Diameter

4.97"

9.875"

11.938"

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436 Products

Milling

Keyseat End Mills

Also known as Woodruff keyseat cutters, these tools mill precise notches in rotary shafts and can also be used for slot milling.

T-Slot End Mills

Mill slots in machine tool tables, indexing tables, and other workholding surfaces.

Dovetail End Mills

Create dovetail slots for joining components, holding work, or housing an O-ring or other seal.

Chamfer End Mills

More angled than tapered end mills, chamfer end mills have cutting angles of 45° and higher for making chamfer, bevel, and other angled cuts.

Square End Mills

A 90° profile creates square slots, pockets, and edges.

Slitting Cutters

These general purpose cutters are best for cutoff, slitting, and slotting applications.

Smooth-Finish Slitting Cutters

Also known as jeweler's slotting saws and metal slitting saws, these cutters are good for use on wire, tubing, extrusions, and other very thin material that requires delicate cuts.

Slitting Cutters with Side Teeth

With peripheral and side teeth, these cutters remove chips for a consistent cutting width.

Dovetail Milling-Machine Vises

Designed to hold your part on 4- and 5-axis milling machines, these vises provide rigid clamping while exposing five full sides of the workpiece. This allows even complex parts to be completed in a single operation. You must cut a dovetail into your material before the vise can grip it.

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