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Square End Mill: Inch Mill Dia Measurement System, Bright (Uncoated), Carbide, 2 Flutes, Center Cutting, 5/16 in Mill Dia

Item # 378R234

$32.02 Each

Product Specs

Finish/Coating: Bright (Uncoated)
Material: Carbide
Mill Diameter Measurement System: Inch
Number of Flutes: 2
Center Cutting: Center Cutting
Mill Diameter: 5⁄16 in
Length of Cut: 13⁄16 in
Overall Length: 2 1⁄2 in
Shank Diameter: 5⁄16 in
Helix Angle: 30 °
Single or Double End: Single
Material Application (First Choice): Steel; Cast Iron; Nonferrous Metals
Chipbreaker: No
Color: Silver
Cutting Application: Profiling; Plunging; Peripheral Cutting; Slotting
Cutting Direction: Right Hand
End Shape: Square End
Extended Reach Neck: No
Flute Spiral Direction: Right Hand Spiral
Flute Type: Spiral
For Material Hardness: 20-45 HRC
Keyway Mill: No
Material Application (Secondary Choice): Hardened Steel; 400 Stainless Steel; 300 Stainless Steel; Alloy Steel 4340; Alloy Steel 4140; Medium Carbon Steel 1045; Medium Carbon Steel 1035; Low Carbon Steel 1018; Low Carbon Steel 1010; Cast Iron; Aluminum 7075; Aluminum 6061; Cast Aluminum
Material Application ISO Number (Secondary Choice): N; K; P2; P3; H
Miniature End Mill: No
Number of Coolant Holes: 0
Roughing Type: Finishing
Shank Type: Plain Round
Through Coolant: No
Variable Helix: No

Compliance and Restrictions

WARNING Cancer and Reproductive Harm -

Country Of Origin

  • USA

About Square End Mills

Create features with sharp inside corners using square end mills, which have a square nose at the tip of the tool. Square end mills are commonly used for counterboring, side and face milling, and milling square shoulders.

In general, end mills with more flutes allow a higher feed rate, while end mills with fewer flutes permit faster chip clearance. For best results, choose the shortest end mill that will work for your application.

Solid carbide end mills provide good wear resistance when milling the toughest materials, such as cast iron and nonferrous alloys, but they require rigid tool setups because they are brittle.