Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Tools & Machining
  4. /
  5. Cutting Tools
  6. /
  7. Countersinks, Center Drills & Spotting Drills
  8. /
  9. Countersinks

Countersinks (3,500+ items) - Page 101

Zoro Select Countersink, 1/4", 90 , 1/4" 421544
Zoro Select

Countersink, 1/4", 90 , 1/4"

Zoro # G921727656
Mfr # 421544
product price:  $187.99
/ea
Zoro Select Countersink, 5/8 in, 100 , 3/16 in 421565
Zoro Select

Countersink, 5/8 in, 100 , 3/16 in

Zoro # G921727212
Mfr # 421565
product price:  $187.99
/ea
Keo Countersink, 1 FL, 100 Deg, 3/8, HSS, TiN 919-000-162
Keo

Countersink, 1 FL, 100 Deg, 3/8, HSS, TiN

Zoro # G9524514
Mfr # 919-000-162
product price:  $16.15
/ea
Keo Countersink, 3 FL, 100 Deg, 1/4, HSS, TiN 917-000-026
Keo

Countersink, 3 FL, 100 Deg, 1/4, HSS, TiN

Zoro # G9524487
Mfr # 917-000-026
product price:  $14.89
/ea
Keo Countersink, 1 FL, 100 Deg, 1/4, HSS, TiN 919-000-078
Keo

Countersink, 1 FL, 100 Deg, 1/4, HSS, TiN

Zoro # G9524523
Mfr # 919-000-078
product price:  $14.49
/ea
Keo Countersink, 6 FL, 100 Deg, 3/8, HSS, TiN 919-000-417
Keo

Countersink, 6 FL, 100 Deg, 3/8, HSS, TiN

Zoro # G9524444
Mfr # 919-000-417
product price:  $19.65
/ea
Keo Countersink, 6 FL, 120 Deg, 1/4, Cobalt, TiN 919-000-878
Keo

Countersink, 6 FL, 120 Deg, 1/4, Cobalt, TiN

Zoro # G9538654
Mfr # 919-000-878
product price:  $16.15
/ea
Stm Size 6 90Deg 0Flute Chatterfree HSS Countersink 121031
Stm

Size 6 90Deg 0Flute Chatterfree HSS Countersink

Zoro # G907182325
Mfr # 121031
product price:  $511.99
/ea
Keo Countersink, 6 FL, 82 Deg, 3/16, Cobalt, TiN 919-000-732
Keo

Countersink, 6 FL, 82 Deg, 3/16, Cobalt, TiN

Zoro # G9538742
Mfr # 919-000-732
product price:  $16.65
/ea
Keo Countersink, 6 FL, 110 Deg, 3/16, Cobalt, TiN 55581-TiN
Keo

Countersink, 6 FL, 110 Deg, 3/16, Cobalt, TiN

Zoro # G9538706
Mfr # 55581-TiN
product price:  $11.99
/ea
Sold in mult. of 12 for $143.88
Discontinued
Zoro Select Countersink, 3/8 in, 82 , 3/16 in 421501
Zoro Select

Countersink, 3/8 in, 82 , 3/16 in

Zoro # G921727496
Mfr # 421501
product price:  $158.99
/ea
Keo Countersink, 6 FL, 120 Deg, 1/4, HSS, TiN 919-000-487
Keo

Countersink, 6 FL, 120 Deg, 1/4, HSS, TiN

Zoro # G9524401
Mfr # 919-000-487
product price:  $14.05
/ea
Zoro Select Countersink, 3/8 in, 90 , 191/1000 in 421524
Zoro Select

Countersink, 3/8 in, 90 , 191/1000 in

Zoro # G921724945
Mfr # 421524
product price:  $171.99
/ea
Keo Countersink, 6 FL, 120 Deg, 3/16, Cobalt, TiN 919-000-876
Keo

Countersink, 6 FL, 120 Deg, 3/16, Cobalt, TiN

Zoro # G9538663
Mfr # 919-000-876
product price:  $14.85
/ea
Keo Countersink, 1 FL, 120 Deg, 1/4, HSS, TiN 919-000-082
Keo

Countersink, 1 FL, 120 Deg, 1/4, HSS, TiN

Zoro # G9524505
Mfr # 919-000-082
product price:  $13.99
/ea
Zoro Select Countersink, 5/8 in, 90 , 3/16 in 421543
Zoro Select

Countersink, 5/8 in, 90 , 3/16 in

Zoro # G921725287
Mfr # 421543
product price:  $187.99
/ea
Keo Countersink, 1 FL, 120 Deg, 1/8, Cobalt, TiN 919-000-670
Keo

Countersink, 1 FL, 120 Deg, 1/8, Cobalt, TiN

Zoro # G9538776
Mfr # 919-000-670
product price:  $14.59
/ea
Keo Countersink, 6 FL, 110 Deg, 1/4, Cobalt, TiN 55582-TiN
Keo

Countersink, 6 FL, 110 Deg, 1/4, Cobalt, TiN

Zoro # G9538697
Mfr # 55582-TiN
product price:  $12.95
/ea
Sold in mult. of 12 for $155.40
Discontinued
Keo Countersink, 6 FL, 120 Deg, 5/16, Cobalt 919-000-879
Keo

Countersink, 6 FL, 120 Deg, 5/16, Cobalt

Zoro # G9538681
Mfr # 919-000-879
product price:  $16.39
/ea
Zoro Select Countersink, 1/2 in, 100 , 3/16 in 421559
Zoro Select

Countersink, 1/2 in, 100 , 3/16 in

Zoro # G721726897
Mfr # 421559
product price:  $158.99
/ea
Zoro Select Countersink, 3/8 in, 100 , 3/16 in 421545
Zoro Select

Countersink, 3/8 in, 100 , 3/16 in

Zoro # G721725487
Mfr # 421545
product price:  $187.99
/ea
Keo Countersink, 1 FL, 120 Deg, 3/4, Cobalt, TiN 919-000-682
Keo

Countersink, 1 FL, 120 Deg, 3/4, Cobalt, TiN

Zoro # G7183845
Mfr # 919-000-682
product price:  $46.15
/ea
Sowa T250 HSCO TiN 82Deg 3Flute Countersink 121885
Sowa

T250 HSCO TiN 82Deg 3Flute Countersink

Zoro # G807182593
Mfr # 121885
product price:  $169.99
/ea
Sowa 38 952mm HSCO TiN 90Deg 3Flute Countersink 121859
Sowa

38 952mm HSCO TiN 90Deg 3Flute Countersink

Zoro # G807183958
Mfr # 121859
product price:  $70.95
/ea
Keo Countersink, 6 FL, 90 Deg, 3 In, Cobalt 55557
Keo

Countersink, 6 FL, 90 Deg, 3 In, Cobalt

Zoro # G7234096
Mfr # 55557
product price:  $649.99
/ea
Discontinued
Zoro Select Countersink, 7/16 in, 100 , 5/32 in 421550
Zoro Select

Countersink, 7/16 in, 100 , 5/32 in

Zoro # G821724885
Mfr # 421550
product price:  $187.99
/ea
Zoro Select Countersink, 1/2 in, 82 , 191/1000 in 421516
Zoro Select

Countersink, 1/2 in, 82 , 191/1000 in

Zoro # G721725890
Mfr # 421516
product price:  $212.99
/ea
Keo Countersink, 6 FL, 120 Deg, 7/8, Cobalt, TiN 919-000-894
Keo

Countersink, 6 FL, 120 Deg, 7/8, Cobalt, TiN

Zoro # G7091917
Mfr # 919-000-894
product price:  $71.55
/ea
Zoro Select Countersink, 1/2 in, 100 , 161/1000 in 421558
Zoro Select

Countersink, 1/2 in, 100 , 161/1000 in

Zoro # G821725066
Mfr # 421558
product price:  $158.99
/ea
Keo Countersink, 6 FL, 110 Deg, 2 1/2, Co, TiN 55596-TiN
Keo

Countersink, 6 FL, 110 Deg, 2 1/2, Co, TiN

Zoro # G7209641
Mfr # 55596-TiN
product price:  $545.99
/ea
Discontinued
Keo Countersink, 5/8 in, 100 , 2-1/4 in 55818-TiALN
Keo

Countersink, 5/8 in, 100 , 2-1/4 in

Zoro # G7099601
Mfr # 55818-TiALN
product price:  $101.99
/ea
Discontinued
Keo Countersink, 6 FL, 100 Deg, 1 In, Cobalt 919-000-823
Keo

Countersink, 6 FL, 100 Deg, 1 In, Cobalt

Zoro # G7091375
Mfr # 919-000-823
product price:  $66.19
/ea
Keo Countersink, 6 FL, 120 Deg, 5/8, Cobalt, TiN 919-000-890
Keo

Countersink, 6 FL, 120 Deg, 5/8, Cobalt, TiN

Zoro # G7126761
Mfr # 919-000-890
product price:  $38.75
/ea
Keo Countersink, 1/4 in, 82 , 2 in 919-002-393
Keo

Countersink, 1/4 in, 82 , 2 in

Zoro # G712007493
Mfr # 919-002-393
product price:  $48.15
/ea
Keo Countersink, 3 FL, 110 Deg, 3/8, Co, TiN 55341-TiN
Keo

Countersink, 3 FL, 110 Deg, 3/8, Co, TiN

Zoro # G7193837
Mfr # 55341-TiN
product price:  $16.55
/ea
Sold in mult. of 12 for $198.60
Discontinued
Zoro Select Countersink, 7/16 in, 90 , 1/8 in 421527
Zoro Select

Countersink, 7/16 in, 90 , 1/8 in

Zoro # G821727510
Mfr # 421527
product price:  $187.99
/ea
Countersinks (3,500+ items) - Page 101
  • First
  • Previous
  • 101
    of 109 pages
  • Next
  • Last
How was your search?

About Countersinks

Countersinks are specialized tools that are used to create a chamfered edge on an object. They are commonly used in machining and fabrication to prepare surfaces for drilling, tapping, or other operations. Countersinks can also be used to deburr or countersink the edges of holes.

Types of Countersinks

Countersinks come in a variety of shapes and sizes, from small single-point countersinks for use with drill bits, to larger multi-fluted countersinks for use with chamfering tools. Countersink sets typically include several different sizes and angles to accommodate different applications.

Materials Used For Countersinks

Countersinks are usually made from high speed steel (HSS) or carbide, but can also be made from other materials such as brass or bronze. The material chosen will depend on the application and the desired finish of the chamfer.

Industries That Use Countersinks

Countersinking is widely used in many industries such as automotive manufacturing, aerospace engineering, furniture making, plumbing and electrical work. Professional tradespeople often use countersink drills and chamfering tools to create precise edges on their workpieces.

Find the Countersinks You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of tools & machining along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Center DrillsSpotting DrillsJobber Length Drill BitsDrill Bit SetsHole Saws
Step Drill BitsHand TapsReduced Shank Drill BitsHex DiesTap Sets
radius endmill1 in endmillsingle flute counter sinkdrill countersink bit3" threaded cap
1 in countersinkyg-1 tool co1/2 in countersinkmetric counterborecountersink zero flute

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc