Email: sales@a1tooling.com | Phone: (888) 988-8820
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
Cart 0

MSC Up To 2022 Part 1 - (153061 Products)

Made in USA - 11/32" Diam, 5/16" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 11/32" Diam, 5/16" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71011225
Brand: Made in USA
Model #:

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
Counterbore Diameter (Inch) 11/32
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 5/16
Aircraft-Style Yes
Overall Length (Inch) 4
Cutting Direction Forward

$54.48

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

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

Interstate - 10mm Compatible Cobalt, Solid Pilot Counterbore - A1 Tooling

Interstate - 10mm Compatible Cobalt, Solid Pilot Counterbore


Item #: 45403441
Brand: Interstate
Model #:

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Product Specifications
Counterbore Diameter (mm) 18.00
Fastener Size Compatibility (mm) 10.00
Counterbore Material Cobalt
Shank Diameter (Inch) 1/2
Shank Diameter (mm) 12.70
Shank Diameter (Decimal Inch) 0.5000
Number of Flutes 3
Pilot Diameter (mm) 11.00
Shank Type Straight
Overall Length (mm) 152.40
Cutting Direction Forward

$54.44

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

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

Cleveland - 11/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot - A1 Tooling

Cleveland - 11/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot


Item #: 63677553
Brand: Cleveland
Model #: C46657

Product Specifications
Head Diameter (Inch) 11/16
Shank Diameter (Inch) 1/4
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$54.30

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

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

Cleveland - 17/32" Head Diam, 5/16" Shank Diam, Counterbore Pilot - A1 Tooling

Cleveland - 17/32" Head Diam, 5/16" Shank Diam, Counterbore Pilot


Item #: 63677694
Brand: Cleveland
Model #: C46622

Product Specifications
Head Diameter (Inch) 17/32
Shank Diameter (Inch) 5/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$54.17

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

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

Value Collection - 1-3/4" Head Diam, 1/2" Shank Diam, Counterbore Pilot - A1 Tooling

Value Collection - 1-3/4" Head Diam, 1/2" Shank Diam, Counterbore Pilot


Item #: 08909905
Brand: Value Collection
Model #:

Product Specifications
Head Diameter (Inch) 1-3/4
Shank Diameter (Inch) 1/2
Pilot Material Carbon Steel

$54.12

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

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

Value Collection - 1/4" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 1/4" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08840167
Brand: Value Collection
Model #:

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
Counterbore Diameter (Inch) 1/4
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/4
Aircraft-Style Yes
Overall Length (Inch) 2-3/8
Cutting Direction Forward

$53.82

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

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

APT - 1" Cutting Diam, 3/16" Thick Blade, 5/8" Fastener Compatibility, Backward Cutting, Blade Type Counterbore Blade - High Speed Steel, Socket Head Cap Screw Compatible - A1 Tooling

APT - 1" Cutting Diam, 3/16" Thick Blade, 5/8" Fastener Compatibility, Backward Cutting, Blade Type Counterbore Blade - High Speed Steel, Socket Head Cap Screw Compatible


Item #: 08864761
Brand: APT
Model #: DBZ32
Exact Tooling IR#: 04

Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Fastener Size Compatibility (Inch) 5/8
Cutting Diameter (Inch) 1
Cutting Direction Backward
Blade Thickness (Inch) 3/16
Blade Material High Speed Steel

$53.79

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

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

Value Collection - 5/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 5/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780207
Brand: Value Collection
Model #:

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
Counterbore Diameter (Inch) 5/16
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 1MT
Overall Length (Inch) 3-13/16
Cutting Direction Forward

$53.41

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

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

Made in USA - 3mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - 3mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 01569987
Brand: Made in USA
Model #:

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
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (mm) 6.00
Fastener Size Compatibility (mm) 3.00
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/8
Shank Diameter (mm) 9.53
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (mm) 3.40
Shank Type Straight
Overall Length (mm) 88.90
Overall Length (Decimal Inch) 3.50
Cutting Direction Forward

$52.93

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

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

Made in USA - 1/2" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 1/2" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010326
Brand: Made in USA
Model #:

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
Counterbore Diameter (Inch) 1/2
Pilot Shank Diameter Compatibility (Inch) 1/8
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/4
Aircraft-Style Yes
Overall Length (Inch) 2-13/16
Flute Length (Inch) 5/8
Cutting Direction Forward

$52.78

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

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

Made in USA - 1-1/8" Head Diam, 7/16" Shank Diam, Counterbore Pilot - Carbon Steel - A1 Tooling

Made in USA - 1-1/8" Head Diam, 7/16" Shank Diam, Counterbore Pilot - Carbon Steel


Item #: 78908704
Brand: Made in USA
Exact Tooling IR#: 04

Product Specifications
Head Diameter (Inch) 1-1/8
Shank Diameter (Inch) 7/16
Pilot Material Carbon Steel

$52.86

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

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

APT - 25/32" Cutting Diam, 3/32" Thick Blade, 1/2" Fastener Compatibility, Backward Cutting, Blade Type Counterbore Blade - High Speed Steel, Socket Head Cap Screw Compatible - A1 Tooling

APT - 25/32" Cutting Diam, 3/32" Thick Blade, 1/2" Fastener Compatibility, Backward Cutting, Blade Type Counterbore Blade - High Speed Steel, Socket Head Cap Screw Compatible


Item #: 08864753
Brand: APT
Model #: BBZ25
Exact Tooling IR#: 04

Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Fastener Size Compatibility (Inch) 1/2
Cutting Diameter (Inch) 25/32
Cutting Direction Backward
Blade Thickness (Inch) 3/32
Blade Material High Speed Steel

$52.71

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

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

Cleveland - 5/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot - Bright Finish, High Speed Steel - A1 Tooling

Cleveland - 5/8" Head Diam, 3/8" Shank Diam, Counterbore Pilot - Bright Finish, High Speed Steel


Item #: 63677892
Brand: Cleveland
Model #: C46647
Exact Tooling IR#: 04

Product Specifications
Head Diameter (Inch) 5/8
Shank Diameter (Inch) 3/8
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel
Material Application Alloy Tool Steel; Aluminum; Cast Iron; Low Carbon Steel; Medium Carbon Steel

$52.63

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

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

Made in USA - 1/4" Diam, 15/64" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 1/4" Diam, 15/64" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71011167
Brand: Made in USA
Model #:

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
Counterbore Diameter (Inch) 1/4
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 15/64
Aircraft-Style Yes
Overall Length (Inch) 4
Cutting Direction Forward

$52.36

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

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

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 44850857
Brand: Keo
Model #: 56204

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (mm) 6.50
Fastener Size Compatibility (mm) 3.50
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 5.00
Number of Flutes 3
Pilot Diameter (mm) 3.70
Overall Length (mm) 71.00

$52.28

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

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

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 44850865
Brand: Keo
Model #: 56203

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (mm) 6.50
Fastener Size Compatibility (mm) 3.50
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 5.00
Number of Flutes 3
Pilot Diameter (mm) 2.90
Overall Length (mm) 71.00

$52.28

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

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

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Keo - 3.5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 44850840
Brand: Keo
Model #: 56205

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Fastener Type Compatibility Socket-Head Cap Screw
Counterbore Diameter (mm) 6.50
Fastener Size Compatibility (mm) 3.50
Counterbore Material Cobalt
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (mm) 5.00
Number of Flutes 3
Pilot Diameter (mm) 3.90
Overall Length (mm) 71.00

$52.28

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

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

Made in USA - 7/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 7/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010284
Brand: Made in USA
Model #:

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
Counterbore Diameter (Inch) 7/16
Pilot Shank Diameter Compatibility (Inch) 1/8
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 4
Shank Type Straight
Shank Diameter (Inch) 1/4
Aircraft-Style Yes
Overall Length (Inch) 2-13/16
Flute Length (Inch) 5/8
Cutting Direction Forward

$52.23

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

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

Value Collection - Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - Fillister Head Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08860322
Brand: Value Collection
Model #:

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
Fastener Type Compatibility Fillister-Head Screw
Counterbore Diameter (Inch) 25/32
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Number of Flutes 2
Aircraft-Style No
Pilot Diameter (Inch) 1/2
Shank Type Straight
Overall Length (Inch) 5-1/4
Cutting Direction Forward

$52.18

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

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

Value Collection - 1/4" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 1/4" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780165
Brand: Value Collection
Model #:

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
Counterbore Diameter (Inch) 1/4
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 1MT
Overall Length (Inch) 3-13/16
Cutting Direction Forward

$51.98

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

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