We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0

Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04) - (7713 Products)


Holemaking > Countersinks Chamfer Mills & Back Chamfers (ET04)

Hertel - 3/8" Head Diam, 3/8" Shank Diam, 4 Flute 82° High Speed Steel Countersink - 2-1/2" OAL, Straight Shank


Item #: 89336325
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Head Diameter (Inch) 3/8
Number of Flutes 4
Included Angle 82
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/8
Overall Length (Inch) 2-1/2
Shank Type Straight

$35.99

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Melin Tool - 5/16" Head Diam, 5/16" Shank Diam, 1 Flute 110° High Speed Steel Countersink - Oxide Finish, 2-1/2" OAL, Double End, Straight Shank, Right Hand Cut


Item #: 57818726
Brand: Melin Tool
Model #: 10911
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 5/16
Head Diameter (Decimal Inch) 0.3125
Number of Flutes 1
Included Angle 110
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.3125
Shank Diameter (Inch) 5/16
Maximum Cutting Diameter (Inch) 5/16
Overall Length (Inch) 2-1/2
Overall Length (Decimal Inch) 2.5000
Countersink Application Countersinking
End Type Double
Shank Type Straight
Shank Material High Speed Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Cast Iron; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$21.18

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Hertel - 1/8" Head Diam, 1/8" Shank Diam, 1 Flute 60° Solid Carbide Countersink - Bright Finish, 1-1/2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 77422756
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1/8
Number of Flutes 1
Included Angle 60
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/8
Overall Length (Inch) 1-1/2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
Material Application Alloy Steel; Cast Iron; Glass-Reinforced Plastic

$18.67

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Hertel - 5/8" Head Diam, 5/8" Shank Diam, 1 Flute 90° Solid Carbide Countersink - 3-1/4" OAL, Straight Shank


Item #: 89334601
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Product Specifications
Head Diameter (Inch) 5/8
Number of Flutes 1
Included Angle 90
Countersink Material Solid Carbide
Shank Diameter (Inch) 5/8
Overall Length (Inch) 3-1/4
Shank Type Straight

$184.63

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 1" Head Diam, 1/2" Shank Diam, 3 Flute 90° High Speed Steel Countersink - Oxide Finish, 2-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 63781645
Brand: Cleveland
Model #: C46182
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 1
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 3
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (mm) 12.70
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Overall Length (Inch) 2-3/4
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45
Material Application Carbon Steel; Cast Iron

$94.50

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Melin Tool - 5/16" Head Diam, 5/16" Shank Diam, 4 Flute 120° Solid Carbide Countersink - Bright Finish, 2-1/2" OAL, Double End, Straight Shank, Right Hand Cut


Item #: 57808842
Brand: Melin Tool
Model #: 19030
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 5/16
Head Diameter (Decimal Inch) 0.3125
Number of Flutes 4
Included Angle 120
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.3125
Shank Diameter (Inch) 5/16
Maximum Cutting Diameter (Inch) 5/16
Overall Length (Inch) 2-1/2
Overall Length (Decimal Inch) 2.5000
Countersink Application Countersinking
End Type Double
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$97.77

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

M.A. Ford - 3/8" Head Diam, 1/4" Shank Diam, 6 Flute 100° High Speed Steel Countersink - ALtima Blaze Finish, 2" OAL


Item #: 92248269
Brand: M.A. Ford
Model #: 79B037504
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
ALtima Blaze, a form of (AlCrN), has a higher oxidation temperature than TiAlN. It is used on nickel alloys, titanium and other difficult-to-machine materials. ALtima Blaze is a proprietary coating exclusive to M.A. Ford Mfg. Co., Inc.
Product Specifications
Head Diameter (Inch) 3/8
Head Diameter (Decimal Inch) 0.3750
Number of Flutes 6
Included Angle 100
Countersink Material High Speed Steel
Countersink Finish/Coating ALtima Blaze
Minimum Cutting Diameter (Inch) 0.0900
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 3/8
Overall Length (Inch) 2
Overall Length (Decimal Inch) 2.0000
Countersink Application Countersinking

$26.86

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Union Butterfield - 1-1/2" Head Diam, 1/2" Shank Diam, 1 Flute 82° High Speed Steel Countersink - Bright Finish, 3-7/8" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 66386293
Brand: Union Butterfield
Model #: 4710804
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1-1/2
Head Diameter (Decimal Inch) 1.5000
Number of Flutes 1
Included Angle 82
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Overall Length (Inch) 3-7/8
Overall Length (Decimal Inch) 3.8750
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Alloy Steel; Aluminum; Aluminum Alloy; Brass; Bronze; Carbon Steel; Cast Iron; Copper; Copper Alloy; Free Machining Stainless Steel; Hardened Steel; Magnesium; Nickel; Nickel Alloy
Material Application2 Stainless Steel; Steel; Structural Steel; Thermoplastics; Thermosetting Plastics; Titanium; Titanium Alloy

$262.11

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Melin Tool - 5/8" Head Diam, 3/8" Shank Diam, 6 Flute 100° High Speed Steel Countersink - Oxide Finish, 2-1/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57818940
Brand: Melin Tool
Model #: 18534
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 5/8
Head Diameter (Decimal Inch) 0.6250
Number of Flutes 6
Included Angle 100
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.3750
Shank Diameter (Inch) 3/8
Maximum Cutting Diameter (Inch) 5/8
Overall Length (Inch) 2-1/4
Overall Length (Decimal Inch) 2.2500
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material High Speed Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$36.88

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

SGS - 1" Head Diam, 1/2" Shank Diam, 3 Flute 82° Solid Carbide Countersink - Bright Finish, 3-1/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 83296996
Brand: SGS
Model #: 74146
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 1
Head Diameter (Decimal Inch) 1.0000
Number of Flutes 3
Included Angle 82
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Maximum Cutting Diameter (Inch) 1
Overall Length (Inch) 3-1/4
Overall Length (Decimal Inch) 3.2500
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Steel
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 1.0000
Material Application Cast Iron; Composites; High Temperature Alloys; Non-Ferrous Metals; Plastics; Stainless Steel; Steel; Titanium

$127.82

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Melin Tool - 3/8" Head Diam, 1/4" Shank Diam, 6 Flute 90° Cobalt Countersink - TiN Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 84398957
Brand: Melin Tool
Model #: 18208
Exact Tooling IR#: 04

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Product Specifications
Head Diameter (Inch) 3/8
Number of Flutes 6
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiN
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45

$23.83

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Keo - 3/8" Head Diam, 1/4" Shank Diam, 6 Flute 90° High Speed Steel Countersink - Bright Finish, 1-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 07847932
Brand: Keo
Model #: 55044
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 3/8
Number of Flutes 6
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Shank Length (Inch) 7/8
Overall Length (Inch) 1-3/4
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 45

$12.11

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Hertel - 3/8" Head Diam, 1/4" Shank Diam, 1 Flute 100° Solid Carbide Countersink - Bright Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 83247189
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastic and other tough-to-machine materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Head Diameter (Inch) 3/8
Number of Flutes 1
Included Angle 100
Countersink Material Solid Carbide
Countersink Finish/Coating Bright
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 50

$40.68

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Cleveland - 1-1/4" Head Diam, 1/2" Shank Diam, 1 Flute 60° High Speed Steel Countersink - Oxide Finish, 2-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 63774749
Brand: Cleveland
Model #: C46136
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 1-1/4
Head Diameter (Decimal Inch) 1.2500
Number of Flutes 1
Included Angle 60
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (mm) 12.70
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Overall Length (Inch) 2-3/4
Countersink Application Countersinking
End Type Single
Shank Type Straight
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Centerline Angle 30
Material Application Carbon Steel; Cast Iron

$159.31

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Hertel - 3/4" Head Diam, 3/4" Shank Diam, 1 Flute 60° High Speed Steel Countersink - 3-1/2" OAL, Straight Shank


Item #: 89340574
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Head Diameter (Inch) 3/4
Number of Flutes 1
Included Angle 60
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/4
Overall Length (Inch) 3-1/2
Shank Type Straight

$64.88

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Melin Tool - 3/4" Head Diam, 1/2" Shank Diam, 1 Flute 100° High Speed Steel Countersink - Oxide Finish, 2-3/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57791766
Brand: Melin Tool
Model #: 18034
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 3/4
Head Diameter (Decimal Inch) 0.7500
Number of Flutes 1
Included Angle 100
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.5000
Shank Diameter (Inch) 1/2
Maximum Cutting Diameter (Inch) 3/4
Overall Length (Inch) 2-3/4
Overall Length (Decimal Inch) 2.7500
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material High Speed Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Cast Iron; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$31.55

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Hertel - 3/4" Head Diam, 3/4" Shank Diam, 4 Flute 110° High Speed Steel Countersink - 3-1/2" OAL, Straight Shank


Item #: 89336424
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Head Diameter (Inch) 3/4
Number of Flutes 4
Included Angle 110
Countersink Material High Speed Steel
Shank Diameter (Inch) 3/4
Overall Length (Inch) 3-1/2
Shank Type Straight

$90.11

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Magafor - 12.4mm Head Diam, 0.315" Shank Diam, 3 Flute 90° Cobalt Countersink - TiN Finish, 2-1/4" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 31284987
Brand: Magafor
Model #: 84483112400
Exact Tooling IR#: 04

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Product Specifications
Head Diameter (mm) 12.40
Head Diameter (Decimal Inch) 0.4880
Number of Flutes 3
Included Angle 90
Countersink Material Cobalt
Countersink Finish/Coating TiN
Minimum Cutting Diameter (Inch) 0.0980
Shank Diameter (Decimal Inch) 0.3150
Maximum Cutting Diameter (Inch) 0.4880
Overall Length (Inch) 2-1/4
Minimum Hole Diameter (Decimal Inch) 0.0980
Maximum Hole Diameter (Decimal Inch) 0.4880
End Type Single
Shank Type Straight
Shank Material Cobalt
Includes Pilot No
Countersink Head Only No
Attachment Method Shank
Cutting Direction Right Hand
Maximum Cutting Diameter (Decimal Inch) 0.4880

$40.00

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Melin Tool - 3/8" Head Diam, 1/4" Shank Diam, 4 Flute 90° High Speed Steel Countersink - Oxide Finish, 2" OAL, Single End, Straight Shank, Right Hand Cut


Item #: 57818080
Brand: Melin Tool
Model #: 18620
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide coating prevents chip building, galling and welding on the workpiece. It is commonly used on low carbon metals, stainless steel and ferrous metals.
Product Specifications
Head Diameter (Inch) 3/8
Head Diameter (Decimal Inch) 0.3750
Number of Flutes 4
Included Angle 90
Countersink Material High Speed Steel
Countersink Finish/Coating Oxide
Shank Diameter (Decimal Inch) 0.2500
Shank Diameter (Inch) 1/4
Maximum Cutting Diameter (Inch) 3/8
Overall Length (Inch) 2
Overall Length (Decimal Inch) 2.0000
Countersink Application Countersinking
End Type Single
Shank Type Straight
Shank Material High Speed Steel
Includes Pilot No
Countersink Head Only No
Cutting Direction Right Hand
Material Application Cast Iron; Hardened Steel; Nickel Alloy; Non-Ferrous Metals; Stainless Steel; Steel

$24.18

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Hertel - 1/4" Head Diam, 1/4" Shank Diam, 6 Flute 90° High Speed Steel Countersink - 2" OAL, Straight Shank


Item #: 89330369
Brand: Hertel
Exact Tooling IR#: 04

Features and Benefits

High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Product Specifications
Head Diameter (Inch) 1/4
Number of Flutes 6
Included Angle 90
Countersink Material High Speed Steel
Shank Diameter (Inch) 1/4
Overall Length (Inch) 2
Shank Type Straight

$18.82

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It