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

Counterbores (929 items) - Page 19

No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G421725886
Mfr # 902-000-333
product price:  $52.69
/ea
Harvey Tool Counterbores-Flat Bottom, 676708, Uncoated, 1/8" Cutter Diameter, 3/4" Flute Length 676708
Harvey Tool

Counterbores-Flat Bottom, 676708, Uncoated, 1/8" Cutter Diameter, 3/4" Flute Length

Zoro # G922920612
Mfr # 676708
product price:  $50.79
/ea
Tungaloy Solid End Mill Head, VGC157L15.0R03-, PK2 6859506
Tungaloy

Solid End Mill Head, VGC157L15.0R03-, PK2

Zoro # G601779043
Mfr # 6859506
product price:  $105.99
/pk 2, $53.00/ea
Super Tool Counterbore, 29/32" D, Carbide Tipped 5799062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330239
Mfr # 5799062
product price:  $161.99
/ea
Internal Tool A Nc-203-250 N/C Counterbore 85-2031
Internal Tool

A Nc-203-250 N/C Counterbore

Zoro # G800402360
Mfr # 85-2031
product price:  $54.05
/ea
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G221725246
Mfr # 902-000-252
product price:  $90.89
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G821726032
Mfr # 902-000-318
product price:  $75.89
/ea
Tungaloy Solid End Mill Head, VGC120L10.0R04-, PK2 6859334
Tungaloy

Solid End Mill Head, VGC120L10.0R04-, PK2

Zoro # G401779090
Mfr # 6859334
product price:  $154.99
/pk 2, $77.50/ea
Internal Tool A Nc-500-500 N/C Counterbore 85-5001
Internal Tool

A Nc-500-500 N/C Counterbore

Zoro # G900402536
Mfr # 85-5001
product price:  $158.99
/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, Metric, 71 mm

Zoro # G921725638
Mfr # 902-000-213
product price:  $54.49
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 22 mm 156620 10X22
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 22 mm

Zoro # G014389815
Mfr # 156620 10X22
product price:  $45.65
/ea
Hhip 5/16 X 7/16" High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0106
Hhip

5/16 X 7/16" High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2467895
Mfr # 2007-0106
product price:  $17.99
/ea
Super Tool Reduced Shank Counterbore, 29/32" D 52229
Super Tool

Reduced Shank Counterbore, 29/32" D

Zoro # G0331228
Mfr # 52229
product price:  $135.99
/ea
Super Tool Reduced Shank Counterbore, 1-15/16" D 52262
Super Tool

Reduced Shank Counterbore, 1-15/16" D

Zoro # G0331453
Mfr # 52262
product price:  $263.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 71 mm

Zoro # G621726607
Mfr # 902-000-219
product price:  $57.29
/ea
Link Ua3 #5 English Shcs HSS Counterbore 60-L2-293
Link

Ua3 #5 English Shcs HSS Counterbore

Zoro # G7636118
Mfr # 60-L2-293
product price:  $21.75
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G821725165
Mfr # 902-000-144
product price:  $99.79
/ea
Link 10MM Co 3Fl 10.8 Pilot X 16.8 Cbore 9.53 Shank X 125 Oal 75-CO-525
Link

10MM Co 3Fl 10.8 Pilot X 16.8 Cbore 9.53 Shank X 125 Oal

Zoro # G7642506
Mfr # 75-CO-525
product price:  $109.99
/ea
Internal Tool A Nc-265-312 N/C Counterbore 85-2651
Internal Tool

A Nc-265-312 N/C Counterbore

Zoro # G000402450
Mfr # 85-2651
product price:  $79.15
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G821725295
Mfr # 902-000-168
product price:  $162.99
/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
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 10.2 mm 156620 8X10,2
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 10.2 mm

Zoro # G614389697
Mfr # 156620 8X10,2
product price:  $38.19
/ea
Link No 8 Co 3Fl 0.195 Pilot X 0.304 Cbore 1/4" Shank X 4" Oal 50-CO-182
Link

No 8 Co 3Fl 0.195 Pilot X 0.304 Cbore 1/4" Shank X 4" Oal

Zoro # G7639959
Mfr # 50-CO-182
product price:  $64.95
/ea
Super Tool Counterbore, 1-13/16" D, Carbide Tipped 56425
Super Tool

Counterbore, 1-13/16" D, Carbide Tipped

Zoro # G0329922
Mfr # 56425
product price:  $396.99
/ea
Link #3 HSS Se .110 X .220 Drill .175 Cbore 3/16 Shank 1-1/16 Oal 50-L2-178
Link

#3 HSS Se .110 X .220 Drill .175 Cbore 3/16 Shank 1-1/16 Oal

Zoro # G7641289
Mfr # 50-L2-178
product price:  $19.39
/ea
Super Tool Reduced Shank Counterbore, 5/16" D 52210
Super Tool

Reduced Shank Counterbore, 5/16" D

Zoro # G0331313
Mfr # 52210
product price:  $67.89
/ea
Link 1/4" HSS Se .280 X .375 Drill .406 Cbore 7/16 Shank 1-3/4 Oal 50-L2-184
Link

1/4" HSS Se .280 X .375 Drill .406 Cbore 7/16 Shank 1-3/4 Oal

Zoro # G7636039
Mfr # 50-L2-184
product price:  $25.49
/ea
Tungaloy Solid End Mill Head, VGC100L09.0R20-, PK2 6859423
Tungaloy

Solid End Mill Head, VGC100L09.0R20-, PK2

Zoro # G901779033
Mfr # 6859423
product price:  $123.99
/pk 2, $62.00/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
Harvey Tool Counterbores-Flat Bottom, 676708-C3, AlTiN, 1/8" Cutter Diameter, 3/4" Flute Length 676708-C3
Harvey Tool

Counterbores-Flat Bottom, 676708-C3, AlTiN, 1/8" Cutter Diameter, 3/4" Flute Length

Zoro # G722920706
Mfr # 676708-C3
product price:  $59.39
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G021726115
Mfr # 902-000-301
product price:  $185.99
/ea
Internal Tool A Nc-406-437 N/C Counterbore 85-4061
Internal Tool

A Nc-406-437 N/C Counterbore

Zoro # G200402373
Mfr # 85-4061
product price:  $120.99
/ea
Kodiak Cutting Tools 1/4 Counterbore 1/64 Oversize Capscrew Style 5495864
Kodiak Cutting Tools

1/4 Counterbore 1/64 Oversize Capscrew Style

Zoro # G8614806
Mfr # 5495864
product price:  $53.95
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727546
Mfr # 902-000-081
product price:  $52.89
/ea
Super Tool Reduced Shank Counterbore, 19/32" D 52219
Super Tool

Reduced Shank Counterbore, 19/32" D

Zoro # G0331149
Mfr # 52219
product price:  $93.25
/ea
Counterbores (929 items) - Page 19
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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

Jobber Length Drill BitsCountersinksReduced Shank Drill BitsHole SawsSquare End Mills
Carbide End MillsHex DiesRound DiesSpiral Point 2-Flute TapsSpiral Flute 3-Flute Taps
6-piece damask jacquard/solidcounter bore sethigh speed steelcounter bore1-1/4 in counterbore
cleveland counterboremetric shcscounter bore pilotpilot counterboreinterchangeable pilot counterbore

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