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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 (927 items) - Page 10

Link Ua5-8MM Metric Shcs HSS Counterbore 72-L2-514
Link

Ua5-8MM Metric Shcs HSS Counterbore

Zoro # G7642759
Mfr # 72-L2-514
product price: 
$32.95
/ea
Internal Tool A Nc-328-375 N/C Counterbore 85-3281
Internal Tool

A Nc-328-375 N/C Counterbore

Zoro # G300402402
Mfr # 85-3281
product price: 
$104.99
/ea
Internal Tool A Nc-672-750 N/C Counterbore 85-6721
Internal Tool

A Nc-672-750 N/C Counterbore

Zoro # G700402484
Mfr # 85-6721
product price: 
$444.99
/ea
Link #8 HSS Se .178 X .281 Drill .290 Cbore 5/16 Shank 1-15/32 Oal 50-L2-182
Link

#8 HSS Se .178 X .281 Drill .290 Cbore 5/16 Shank 1-15/32 Oal

Zoro # G7636215
Mfr # 50-L2-182
product price: 
$21.45
/ea
Kodiak Cutting Tools 7/16 Counterbore 1/32 Oversize Capscrew Style 5496051
Kodiak Cutting Tools

7/16 Counterbore 1/32 Oversize Capscrew Style

Zoro # G8637477
Mfr # 5496051
product price: 
$81.69
/ea
Link No 5 Co 3Fl 0.156 Pilot X 0.237 Cbore 1/4" Shank X 4" Oal 50-CO-180
Link

No 5 Co 3Fl 0.156 Pilot X 0.237 Cbore 1/4" Shank X 4" Oal

Zoro # G7636145
Mfr # 50-CO-180
product price: 
$65.75
/ea
Link 1/4" Co 3Fl 0.281 Pilot X 0.414 Cbore 5/16" Shank X 4" Oal 50-CO-184
Link

1/4" Co 3Fl 0.281 Pilot X 0.414 Cbore 5/16" Shank X 4" Oal

Zoro # G7637317
Mfr # 50-CO-184
product price: 
$78.85
/ea
Super Tool Reduced Shank Counterbore, 13/16" D 52226
Super Tool

Reduced Shank Counterbore, 13/16" D

Zoro # G0331331
Mfr # 52226
product price: 
$133.99
/ea
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
Super Tool Counterbore, 1-3/8" D, Carbide Tipped 56419
Super Tool

Counterbore, 1-3/8" D, Carbide Tipped

Zoro # G0329889
Mfr # 56419
product price: 
$175.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 26 mm 156620 10X26
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 26 mm

Zoro # G614389789
Mfr # 156620 10X26
product price: 
$46.79
/ea
Super Tool Counterbore, 11/32" D, Carbide Tipped 5793438
Super Tool

Counterbore, 11/32" D, Carbide Tipped

Zoro # G0330272
Mfr # 5793438
product price: 
$117.99
/ea
Kodiak Cutting Tools 7/8 Counterbore 1/32 Oversize Capscrew Style 5496095
Kodiak Cutting Tools

7/8 Counterbore 1/32 Oversize Capscrew Style

Zoro # G8642779
Mfr # 5496095
product price: 
$185.99
/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, 13/16" D, Carbide Tipped 59810
Super Tool

Counterbore, 13/16" D, Carbide Tipped

Zoro # G0330193
Mfr # 59810
product price: 
$129.99
/ea
Super Tool Counterbore, 1-5/8" D, Carbide Tipped 56423
Super Tool

Counterbore, 1-5/8" D, Carbide Tipped

Zoro # G0329837
Mfr # 56423
product price: 
$257.99
/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
Super Tool Counterbore, 1-9/16" D, Carbide Tipped 56422
Super Tool

Counterbore, 1-9/16" D, Carbide Tipped

Zoro # G0329618
Mfr # 56422
product price: 
$251.99
/ea
Kodiak Cutting Tools No. 5 Counterbores 1/32 Oversize Capscrew Style 5495974
Kodiak Cutting Tools

No. 5 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8640986
Mfr # 5495974
product price: 
$42.35
/ea
Internal Tool A Nc-343-375 N/C Counterbore 85-3431
Internal Tool

A Nc-343-375 N/C Counterbore

Zoro # G600402379
Mfr # 85-3431
product price: 
$108.99
/ea
Tungaloy Solid End Mill Head, VGC120L10.0R10-, PK2 6859505
Tungaloy

Solid End Mill Head, VGC120L10.0R10-, PK2

Zoro # G401779069
Mfr # 6859505
product price: 
$197.99
/pk 2, $99.00/ea
Tungaloy Solid End Mill Head, VGC100L09.0R20-, PK2 6859423
Tungaloy

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

Zoro # G901779033
Mfr # 6859423
product price: 
$159.99
/pk 2, $80.00/ea
Super Tool Counterbore, 1" D, Carbide Tipped 56413
Super Tool

Counterbore, 1" D, Carbide Tipped

Zoro # G0329870
Mfr # 56413
product price: 
$148.99
/ea
Super Tool Counterbore, 29/32" D, Carbide Tipped 5799062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330239
Mfr # 5799062
product price: 
$170.99
/ea
Hhip M4 X 4.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0055
Hhip

M4 X 4.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468105
Mfr # 2007-0055
product price: 
$14.39
/ea
Tungaloy Solid End Mill Head, VGC117L10.0R03-, PK2 6859458
Tungaloy

Solid End Mill Head, VGC117L10.0R03-, PK2

Zoro # G801779058
Mfr # 6859458
product price: 
$68.69
/pk 2, $34.35/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: 
$247.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 21 mm 156620 10X21
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 21 mm

Zoro # G414389811
Mfr # 156620 10X21
product price: 
$45.65
/ea
Kodiak Cutting Tools No. 10 Counterbores 1/64 Oversize Capscrew Style 5495853
Kodiak Cutting Tools

No. 10 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8604559
Mfr # 5495853
product price: 
$47.99
/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
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, 1/2" D, Carbide Tipped 59805
Super Tool

Counterbore, 1/2" D, Carbide Tipped

Zoro # G0329977
Mfr # 59805
product price: 
$112.99
/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
Tungaloy Solid End Mill Head, VGC080L08.0R04-, PK2 6859503
Tungaloy

Solid End Mill Head, VGC080L08.0R04-, PK2

Zoro # G101779024
Mfr # 6859503
product price: 
$139.99
/pk 2, $70.00/ea
Internal Tool A Nc-281-312 N/C Counterbore 85-2811
Internal Tool

A Nc-281-312 N/C Counterbore

Zoro # G600402386
Mfr # 85-2811
product price: 
$82.79
/ea
Internal Tool A Nc-187-187 N/C Counterbore 85-1871
Internal Tool

A Nc-187-187 N/C Counterbore

Zoro # G300402365
Mfr # 85-1871
product price: 
$50.39
/ea
Counterbores (927 items) - Page 10
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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

Hole SawsJobber Length Drill BitsReduced Shank Drill BitsCountersinksTap Sets
Square End MillsAuger Drill BitsDrill Bit SetsCenter DrillsHammer Drill Bits
cleveland counterborecounter bore pilot5/8 counterborepilot counterboreinterchangeable pilot counterbore
high speed steelmetric shcs1-1/4 in counterbore6-piece damask jacquard/solidcounter bore set

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