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 - 27/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 27/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010540
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) 27/32
Pilot Shank Diameter Compatibility (Inch) 3/16
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) 3-1/8
Flute Length (Inch) 3/4
Cutting Direction Forward

$78.09

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 - 5/16" Diam, 19/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 5/16" Diam, 19/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08812208
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) 5/16
Pilot Shank Diameter Compatibility (Inch) 3/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 19/64
Shank Length (Inch) 3-1/16
Overall Length (Inch) 3-13/16
Cutting Direction Forward

$77.94

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 - 5/8" Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - 5/8" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08862401
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) 31/32
Fastener Size Compatibility (Inch) 5/8
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 3/4
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 21/32
Shank Type Straight
Cutting Direction Forward

$77.87

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 - 19/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 19/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08840381
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) 19/32
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
Cutting Direction Forward

$77.57

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 - 5/8" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 5/8" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71011407
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) 5/8
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) 1/2
Aircraft-Style Yes
Overall Length (Inch) 4-1/4
Cutting Direction Forward

$77.45

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 - 19/32" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 19/32" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71011381
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) 19/32
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) 1/2
Aircraft-Style Yes
Overall Length (Inch) 4-1/4
Cutting Direction Forward

$77.52

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 - 23/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 23/32" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010466
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) 23/32
Pilot Shank Diameter Compatibility (Inch) 3/16
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) 3-1/8
Flute Length (Inch) 3/4
Cutting Direction Forward

$77.27

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 - 1/2" Diam, 7/16" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 1/2" Diam, 7/16" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08830325
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) 1/2
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) 7/16
Aircraft-Style Yes
Overall Length (Inch) 4-1/4
Cutting Direction Forward

$76.83

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 - 11/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 11/16" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore


Item #: 08780447
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) 11/16
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Morse Taper
Aircraft-Style No
Shank Taper Designation 2MT
Overall Length (Inch) 5-1/8
Cutting Direction Forward

$76.62

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 - 13/32" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 13/32" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08812265
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) 13/32
Pilot Shank Diameter Compatibility (Inch) 5/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/8
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-1/16
Cutting Direction Forward

$76.47

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" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - 7/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272890
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 (Decimal Inch) 0.6790
Fastener Size Compatibility (Inch) 7/16
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.4520
Shank Type Straight
Overall Length (Inch) 7
Cutting Direction Forward

$76.58

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" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - 7/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272908
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 (Decimal Inch) 0.6950
Fastener Size Compatibility (Inch) 7/16
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.4680
Shank Type Straight
Overall Length (Inch) 7
Cutting Direction Forward

$76.58

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" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Made in USA - 7/16" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore


Item #: 08272882
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 (Decimal Inch) 0.6630
Fastener Size Compatibility (Inch) 7/16
Counterbore Material High Speed Steel
Finish/Coating Bright
Standard or Oversize Pilot Standard
Shank Diameter (Inch) 1/2
Number of Flutes 4
Aircraft-Style No
Pilot Diameter (Decimal Inch) 0.4370
Shank Type Straight
Overall Length (Inch) 7
Cutting Direction Forward

$76.58

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

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

DORMER - High Speed Steel, Solid Pilot Counterbore - A1 Tooling

DORMER - High Speed Steel, Solid Pilot Counterbore


Item #: 65687683
Brand: DORMER
Model #: 0107683

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
Counterbore Diameter (mm) 15.00
Counterbore Diameter (Decimal Inch) 0.5910
Counterbore Material High Speed Steel
Finish/Coating Bright
Shank Diameter (mm) 12.50
Shank Diameter (Decimal Inch) 0.4925
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (mm) 9.00
Pilot Diameter (Decimal Inch) 0.3546
Shank Type Straight
Overall Length (mm) 100.00
Overall Length (Decimal Inch) 3.94
Cutting Direction Forward
Tip Included Angle 180
Material Application Alloy Tool Steel; Aluminum; Aluminum Alloys; Brass; Carbon Steel; Cast Iron; Copper; Copper Alloys; Free Machining Stainless Steel; Hardened Steel; Magnesium; Nickel; Nickel Alloys; Plastics; Stainless Steel; Steel
Material Application2 Structural Steel; Thermosetting Plastics; Titanium; Titanium Alloys

$76.49

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, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 7/16" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08812281
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) 5/32
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 3/8
Shank Length (Inch) 3-1/16
Overall Length (Inch) 4-1/16
Cutting Direction Forward

$76.48

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 - 1/2" Compatible High Speed Steel, Solid Pilot Counterbore - A1 Tooling

Value Collection - 1/2" Compatible High Speed Steel, Solid Pilot Counterbore


Item #: 08861320
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) 25/32
Fastener Size Compatibility (Inch) 1/2
Counterbore Material High Speed Steel
Standard or Oversize Pilot Standard
Number of Flutes 3
Aircraft-Style No
Pilot Diameter (Inch) 17/32
Shank Type Morse Taper
Shank Taper Designation 2MT
Cutting Direction Forward

$76.37

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 - 13/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Made in USA - 13/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 71010524
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) 13/16
Pilot Shank Diameter Compatibility (Inch) 3/16
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) 3-1/8
Flute Length (Inch) 3/4
Cutting Direction Forward

$75.98

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

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

Interstate - 1/2" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore - A1 Tooling

Interstate - 1/2" Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore


Item #: 45403375
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.
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 (Inch) 3/4
Fastener Size Compatibility (Inch) 1/2
Counterbore Material Cobalt
Finish/Coating Bright
Shank Diameter (Inch) 25/32
Number of Flutes 3
Pilot Diameter (Inch) 17/32
Shank Type Straight
Overall Length (Inch) 4-1/2
Cutting Direction Forward

$75.87

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 - 9/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot - Bright Finish, High Speed Steel - A1 Tooling

Union Butterfield - 9/16" Head Diam, 3/16" Shank Diam, Counterbore Pilot - Bright Finish, High Speed Steel


Item #: 66386905
Brand: Union Butterfield
Model #: 3210130
Exact Tooling IR#: 04

Product Specifications
Head Diameter (Inch) 9/16
Shank Diameter (Inch) 3/16
Finish/Coating Bright
Aircraft-Style No
Pilot Material High Speed Steel

$75.67

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 - 21/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore - A1 Tooling

Value Collection - 21/32" Diam, 1/2" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore


Item #: 08790420
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) 21/32
Pilot Shank Diameter Compatibility (Inch) 3/16
Finish/Coating Bright
Counterbore Material High Speed Steel
Number of Flutes 3
Shank Type Straight
Shank Diameter (Inch) 1/2
Aircraft-Style No
Shank Length (Inch) 3-7/8
Overall Length (Inch) 5-1/8
Cutting Direction Forward

$75.46

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

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