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  1. Home
  2. /
  3. Tools & Machining
  4. /
  5. Cutting Tools
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  7. Porting Tools & Counterbores
  8. /
  9. Counterbores

Counterbores (929 items) - Page 20

Super Tool Counterbore, 1/4" D, Carbide Tipped 56401
Super Tool

Counterbore, 1/4" D, Carbide Tipped

Zoro # G0330333
Mfr # 56401
product price:  $80.29
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 12 mm 156620 8X12
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 12 mm

Zoro # G914389564
Mfr # 156620 8X12
product price:  $38.19
/ea
Super Tool Counterbore, 13/16" D, Carbide Tipped 59810
Super Tool

Counterbore, 13/16" D, Carbide Tipped

Zoro # G0330193
Mfr # 59810
product price:  $122.99
/ea
Link 14MM Co 3Fl 14.8 Pilot X 21.8 Cbore 12.7 Shank X 150 Oal 75-CO-527
Link

14MM Co 3Fl 14.8 Pilot X 21.8 Cbore 12.7 Shank X 150 Oal

Zoro # G7637457
Mfr # 75-CO-527
product price:  $122.99
/ea
Internal Tool A Nc-297-312 N/C Counterbore 85-2971
Internal Tool

A Nc-297-312 N/C Counterbore

Zoro # G200402403
Mfr # 85-2971
product price:  $77.35
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G921726024
Mfr # 902-000-299
product price:  $281.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 14 mm 156620 10X14
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 14 mm

Zoro # G514389735
Mfr # 156620 10X14
product price:  $45.65
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G821726032
Mfr # 902-000-318
product price:  $75.89
/ea
Hhip M3.5 X 3.7mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0053
Hhip

M3.5 X 3.7mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468245
Mfr # 2007-0053
product price:  $14.39
/ea
Super Tool Counterbore, 17/32" D, Carbide Tipped 5795312
Super Tool

Counterbore, 17/32" D, Carbide Tipped

Zoro # G0330169
Mfr # 5795312
product price:  $148.99
/ea
Link Ua4-6MM Metric Shcs HSS Counterbore 72-L2-513
Link

Ua4-6MM Metric Shcs HSS Counterbore

Zoro # G7642725
Mfr # 72-L2-513
product price:  $32.75
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G821727848
Mfr # 902-000-304
product price:  $134.99
/ea
Internal Tool A Nc-609-625 N/C Counterbore 85-6091
Internal Tool

A Nc-609-625 N/C Counterbore

Zoro # G100402503
Mfr # 85-6091
product price:  $318.99
/ea
Link 3MM Co 3Fl 3.8 Pilot X 6.3 Cbore 6.35 Shank X 100 Oal 75-CO-520
Link

3MM Co 3Fl 3.8 Pilot X 6.3 Cbore 6.35 Shank X 100 Oal

Zoro # G7644956
Mfr # 75-CO-520
product price:  $62.49
/ea
Super Tool Counterbore, 1-7/8" D, Carbide Tipped 56426
Super Tool

Counterbore, 1-7/8" D, Carbide Tipped

Zoro # G0329992
Mfr # 56426
product price:  $342.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621726300
Mfr # 902-000-123
product price:  $62.79
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G321726334
Mfr # 902-000-189
product price:  $526.99
/ea
Kodiak Cutting Tools 7/8 Counterbore On Size Capscrew Style 5495787
Kodiak Cutting Tools

7/8 Counterbore On Size Capscrew Style

Zoro # G8617965
Mfr # 5495787
product price:  $190.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G721725975
Mfr # 902-000-308
product price:  $116.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727355
Mfr # 902-000-087
product price:  $54.59
/ea
Link 3/8" 3Xd HSS Se .406 X 1.218 Drill .593 Cbore 1/2 Shank 3-1/2 Oal 50-L2-386
Link

3/8" 3Xd HSS Se .406 X 1.218 Drill .593 Cbore 1/2 Shank 3-1/2 Oal

Zoro # G7638805
Mfr # 50-L2-386
product price:  $64.29
/ea
Super Tool Counterbore, 29/32" D, Carbide Tipped 5779062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330001
Mfr # 5779062
product price:  $158.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G421725886
Mfr # 902-000-333
product price:  $52.69
/ea
Super Tool Counterbore, 31/32" D, Carbide Tipped 5779688
Super Tool

Counterbore, 31/32" D, Carbide Tipped

Zoro # G0330099
Mfr # 5779688
product price:  $156.99
/ea
Hhip 1/2 X 3/4" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0109
Hhip

1/2 X 3/4" Shank High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2468236
Mfr # 2007-0109
product price:  $21.79
/ea
No Product Image Available
Keo

Counterbore, Metric, 71 mm

Zoro # G821727039
Mfr # 902-000-207
product price:  $54.49
/ea
Internal Tool A Nc-562-562 N/C Counterbore 85-5621
Internal Tool

A Nc-562-562 N/C Counterbore

Zoro # G000402535
Mfr # 85-5621
product price:  $283.99
/ea
Link 5/8" Co 3Fl 0.655 Pilot X 0.978 Cbore 5/8" Shank X 6" Oal 50-CO-189
Link

5/8" Co 3Fl 0.655 Pilot X 0.978 Cbore 5/8" Shank X 6" Oal

Zoro # G7642698
Mfr # 50-CO-189
product price:  $183.99
/ea
Link 7/16" Co 3Fl 0.468 Pilot X 0.695 Cbore 1/2" Shank X 6" Oal 50-CO-187
Link

7/16" Co 3Fl 0.468 Pilot X 0.695 Cbore 1/2" Shank X 6" Oal

Zoro # G7641298
Mfr # 50-CO-187
product price:  $105.99
/ea
Link Ua7-14MM Metric Shcs HSS Counterbore 72-L2-517
Link

Ua7-14MM Metric Shcs HSS Counterbore

Zoro # G7646898
Mfr # 72-L2-517
product price:  $49.75
/ea
Super Tool Reduced Shank Counterbore, 25/32" D 52225
Super Tool

Reduced Shank Counterbore, 25/32" D

Zoro # G0331508
Mfr # 52225
product price:  $132.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G421724704
Mfr # 902-000-171
product price:  $237.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 17.5 mm 156620 10X17,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 17.5 mm

Zoro # G014389785
Mfr # 156620 10X17,5
product price:  $45.65
/ea
Tungaloy Solid End Mill Head, VGC080L08.0R10-, PK2 6859333
Tungaloy

Solid End Mill Head, VGC080L08.0R10-, PK2

Zoro # G401779007
Mfr # 6859333
product price:  $111.99
/pk 2, $56.00/ea
Hhip 3/8 X 1/2" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0107
Hhip

3/8 X 1/2" Shank High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2468218
Mfr # 2007-0107
product price:  $23.69
/ea
Super Tool Reduced Shank Counterbore, 1-3/8" D 52244
Super Tool

Reduced Shank Counterbore, 1-3/8" D

Zoro # G0331307
Mfr # 52244
product price:  $188.99
/ea
Counterbores (929 items) - Page 20
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About Counterbores

Counterbores are specialized tools utilized in creating enlarged, flat-bottomed holes in various materials, primarily metal. They're essential when a fastener's head needs to be level with or beneath the surface of the worked material. Available in an array of sizes and shapes, these tools can accommodate diverse types of fasteners and feature different tip configurations like straight flute or spiral flute based on their intended use. Counterboring speeds differ according to the material being processed. These durable tools are typically crafted from high-speed steel (HSS) or cobalt steel for enhanced cutting performance, sometimes coated with titanium nitride (TiN) for superior wear resistance and lubricity when dealing with tougher materials such as stainless steel or aluminum. Industries ranging from automotive manufacturing and aerospace engineering to medical device production widely employ counterbores for precise hole creation necessary for mounting screws and other fasteners.

Related Categories

CountersinksReduced Shank Drill BitsHole SawsSquare End MillsJobber Length Drill Bits
Center DrillsSpiral Flute 3-Flute TapsCarbide End MillsAuger Drill BitsDrill Bit Sets
pilot counterbore5/8 counterbore6-piece damask jacquard/solidcleveland counterborecounter bore
1-1/4 in counterborehigh speed steelinterchangeable pilot counterboremetric shcscounter bore pilot

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