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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
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  9. Counterbores

Counterbores (929 items) - Page 22

Super Tool Reduced Shank Counterbore, 27/32" D 52227
Super Tool

Reduced Shank Counterbore, 27/32" D

Zoro # G0331480
Mfr # 52227
product price:  $133.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321725061
Mfr # 902-000-320
product price:  $68.89
/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727010
Mfr # 902-000-084
product price:  $54.59
/ea
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G421727507
Mfr # 902-000-267
product price:  $102.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G121726442
Mfr # 902-000-296
product price:  $537.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G521725038
Mfr # 902-000-328
product price:  $58.29
/ea
Internal Tool A Nc-547-562 N/C Counterbore 85-5471
Internal Tool

A Nc-547-562 N/C Counterbore

Zoro # G000402504
Mfr # 85-5471
product price:  $227.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G421725626
Mfr # 902-000-150
product price:  $99.79
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621727291
Mfr # 902-000-326
product price:  $60.49
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G621726478
Mfr # 902-000-292
product price:  $595.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 71 mm

Zoro # G121727661
Mfr # 902-000-201
product price:  $47.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G221726816
Mfr # 902-000-180
product price:  $351.99
/ea
Internal Tool A Nc-656-750 N/C Counterbore 85-6561
Internal Tool

A Nc-656-750 N/C Counterbore

Zoro # G700402491
Mfr # 85-6561
product price:  $426.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 71 mm

Zoro # G821727756
Mfr # 902-000-204
product price:  $47.99
/ea
Internal Tool A Nc-375-375 N/C Counterbore 85-3751
Internal Tool

A Nc-375-375 N/C Counterbore

Zoro # G600402423
Mfr # 85-3751
product price:  $108.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621725426
Mfr # 902-000-315
product price:  $79.15
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 17.5 mm 156620 8X17,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 17.5 mm

Zoro # G514389551
Mfr # 156620 8X17,5
product price:  $38.19
/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 26-30, 14 mm 156620 8X14
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 14 mm

Zoro # G614389598
Mfr # 156620 8X14
product price:  $38.19
/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, 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
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727546
Mfr # 902-000-081
product price:  $52.89
/ea
No Product Image Available
Keo

Counterbore, Metric, 71 mm

Zoro # G321724835
Mfr # 902-000-222
product price:  $59.19
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G521726745
Mfr # 902-000-132
product price:  $70.59
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G421726517
Mfr # 902-000-322
product price:  $65.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G421726210
Mfr # 902-000-147
product price:  $99.79
/ea
Link #6 HSS Se .150 X .250 Drill .242 Cbore 3/16 Shank 1-7/32 Oal 50-L2-181
Link

#6 HSS Se .150 X .250 Drill .242 Cbore 3/16 Shank 1-7/32 Oal

Zoro # G7639986
Mfr # 50-L2-181
product price:  $20.89
/ea
Link #8 3Xd HSS Se .178 X .534 Drill .290 Cbore 3/8 Shank 2-1/4 Oal 50-L2-382
Link

#8 3Xd HSS Se .178 X .534 Drill .290 Cbore 3/8 Shank 2-1/4 Oal

Zoro # G7642716
Mfr # 50-L2-382
product price:  $35.15
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G121727098
Mfr # 902-000-305
product price:  $134.99
/ea
Internal Tool A Nc-734-750 N/C Counterbore 85-7341
Internal Tool

A Nc-734-750 N/C Counterbore

Zoro # G700402552
Mfr # 85-7341
product price:  $470.99
/ea
Super Tool Reduced Shank Counterbore, 1-13/16" D 52258
Super Tool

Reduced Shank Counterbore, 1-13/16" D

Zoro # G0331462
Mfr # 52258
product price:  $235.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G921727458
Mfr # 902-000-264
product price:  $102.99
/ea
Internal Tool A Nc-625-625 N/C Counterbore 85-6251
Internal Tool

A Nc-625-625 N/C Counterbore

Zoro # G500402530
Mfr # 85-6251
product price:  $320.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 8.4 mm 156620 5X8,4
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 8.4 mm

Zoro # G214389592
Mfr # 156620 5X8,4
product price:  $31.79
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621727673
Mfr # 902-000-323
product price:  $65.39
/ea
Counterbores (929 items) - Page 22
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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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