Description
Four flute, center cutting extra long end mill 5/16" x 4". Solid carbide and made in the USA!
These extra-long, corner radiused, four flute, solid carbide end mills feature a 30 helix angle and are center cutting for plunging, slotting and profiling.
Why use our Corner Radius tools?
Corner radius end mills improve productivity and reduce costs. A sharp corner of an end mill is its weakest point. The corner radius design strengthens the end mill by reducing chipping and providing longer tool life.
- Premium Sub-Micrograin Solid Carbide
- 4 Flute Corner Radius
- Single End
- 30° Helix
- Extra Long Length
- Center Cutting Carbide
- Made in the USA!
1 Review
-
4 Long end mill
Posted by Douglas Watson on 19th Dec 2020
Works fine. Just make sure you drill as far as possible into lock case with regular bit. The lock case gums up the end mill if you drill through too much of the case.
Related Products

LONG END MILL 3/8" x 4"
MBA USA, Inc.

LONG END MILL 1/4" x 4"
MBA USA, Inc.

EXTRA LONG END MILL 1/4" X 6"
MBA USA, Inc.

EXTRA LONG END MILL 3/8" X 6"
MBA USA, Inc.

STRONGARM 2, 5/16" X 5" CARBIDE
StrongArm Security
Customers Also Viewed

LONG END MILL 1/4" x 4"
MBA USA, Inc.

LONG END MILL 3/8" x 4"
MBA USA, Inc.

DRILL BIT ASSORTMENT FOR GSA FIRST STRIKE® KIT
MBA USA, Inc.

AUGMENTATION KIT FOR THE MINI RIG
Paragon Tools

STRONGARM HOLLOBORE BOLT 1/4"
StrongArm Security

STRONGARM MINI-RIG BASE PLATE
StrongArm Security

STRONGARM HOLLOBORE BOLT 5/16"
StrongArm Security

STRONGARM TEMPLATE T1 - S&G, Diebold, LaGard, Ilco Mechanical Locks
StrongArm Security

STRONGARM MINI-RIG SCREW SET
StrongArm Security

EXTRA LONG END MILL 1/4" X 6"
MBA USA, Inc.

STRONGARM TEMPLATE T2 - Mosler Mechanical Locks
StrongArm Security

EXTRA LONG END MILL 3/8" X 6"
MBA USA, Inc.