By: James Sessa and Scott Nedrow

1
By James Sessa and Scott Nedrow Revised 5/23/07
Josh Benton and Dan Funke
MSC Industrial Supply Catalog in Russs
Office www.mscdirect.com
T-Slot Cutters
Purpose T-Slot Cutters can be used to cut slots
in parts, up to half the diameter of the cutter,
or to cut a full T-Slot in a part. They can also
be used to cut different kinds of keyways.

• Instructions for use
• Determine required dimensions for cutter
• Select proper cutter from drawer
• Remove as much material as possible with a
  regular end mill
• Set up cutter like a regular end mill
• Cutting speeds should be set to approximately 70
  of the speed recommended on the speed chart
  across from the manual mills

Location T-Slot Cutters are located in the
bottom drawer of cabinet 3
Available Sizes in Shop
Types of Slot Cutters
Designation Diameter Diameter Thickness
N/A 23/64 23/64 5/64
3 1/2 1/2 1/8
T-29 5/8 5/8 3/32
61 5/8 5/8 3/16
606 3/4 3/4 3/16
CM 139221 3/4 3/4 1/4
15 1 1 1/4
1008 1 1 5/16
N/A 1 1/8 1 1/8 1/8
11780 1 1/4 1 1/4 3/16
F, 1211 1 3/8 1 3/8 3/8
812 1 1/2 1 1/2 1/4
H 1 1/2 1 1/2 5/16
G 1 1/2 1 1/2 3/8
Dovetails Dovetails Dovetails Dovetails
1 3/8 1 3/8 60 60
1/2 1/2 60 60
1 3/8 1 3/8 45 45
Standard T-Slot
Dovetail
Examples of slots cut

• Safety Guidelines
• Follow all Shop Rules
• Make sure to use a slower spindle speed than
  listed (70)

Tips If you have any questions beyond the
general instructions, talk to Russ or a mentor