Best Counterbores In May 2024

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In this Best Counterbores product guide, we’ll help you make a more informed decision and select the product with the benefits you need.

To help you in your search, we have completed this list of the Best Counterbores.

Top Rated Best Counterbores Of 2024

Rank Product Name Score
1
Accusize Industrial Tools 7 Pc'' H.S.S. Solid Capscrew Counterbore Set 3 Flute Straight
Accusize Industrial Tools 7 Pc'' H.S.S. Solid Capscrew Counterbore Set 3 Flute Straight
9.7
2
DBM IMPORTS 7 Pcs HSS Solid Cap Screw Counterbore Set 6# 8 10
DBM IMPORTS 7 Pcs HSS Solid Cap Screw Counterbore Set 6# 8 10
9.5
3
Accusize Industrial Tools H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank
Accusize Industrial Tools H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank
9.1
4
Accusize Industrial Tools 7 Pc Metric Hss Solid Capscrew Counterbore Set, 3 Flute
Accusize Industrial Tools 7 Pc Metric Hss Solid Capscrew Counterbore Set, 3 Flute
8.8
5
1/2" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes
1/2" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes
8.6
6
Amana Tool 55141 Carbide Tipped Shankless Counterbore with Slow Spiral #20 Screw 3/4
Amana Tool 55141 Carbide Tipped Shankless Counterbore with Slow Spiral #20 Screw 3/4
8.3
7
7/8" Interchangeable Pilot Counterbore
7/8" Interchangeable Pilot Counterbore
8.1

1. Accusize Industrial Tools 7 Pc'' H.S.S. Solid Capscrew Counterbore Set 3 Flute Straight

1
9.7/10 our score

  • Premium quality
  • H.s.s., straight shank
  • Inch sizes: 6#, 8#,10#, 1/4'', 5/16'', 3/8'', 1/2''
  • Packed in solid strong wooden box
  • Bright finished

2. DBM IMPORTS 7 Pcs HSS Solid Cap Screw Counterbore Set 6# 8 10

2
9.5/10 our score

  • Sizes #6: length: 3'' long, cutter dia: .242" , pilot: .150" , shank size: 7/32", sizes #8: length: 3'' long , cutter dia: 19/64" , pilot: .11/64" , shank size: 1/4", sizes #10: length: 3-1/2'' long , cutter dia: .21/64" , pilot: .13/64" , shank size: 5/
  • Used for expanding general rough hole or hole processing for bolts, smooth chip flow and powerful cutting resistance because of 3 lips for regrinding, high speed steel, supplied fitted wooden box
  • Set includes: 6#, 8#,10#, 1/4'', 5/16'', 3/8'', 1/2'' sizes
  • 7 pcs hss solid cap screw counterbore set 6# 8 10 1/4 5/16 3/8 1/2 sizes
  • Unit weight: 2.45 lbs, box dim l x w x h (in): 4-7/8 x 8-1/4 x 1-1/2 *estimated*

3. Accusize Industrial Tools H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank

3
9.1/10 our score

  • High speed steel
  • Inch set (7 pc) : 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2''
  • Straight shank

4. Accusize Industrial Tools 7 Pc Metric Hss Solid Capscrew Counterbore Set, 3 Flute

4
8.8/10 our score

  • High speed steel
  • 3 flute
  • Metric set (7pc): m3, m4, m5, m6, m8, m10, m12
  • Straight shank
  • Shank sizes: m3-5.5mm/.218", m4-7.9mm/.312", m5-7.9mm/.312", m6-12.7mm/.500", m8-12.7mm/.500", m110-12.7mm/.500", m12-15.8mm/.625"+

5. 1/2" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank

5
8.6/10 our score

  • 1/64" corner radius, tool diameter tolerance: +.001"/-0". shank diameter tolerance: +0"/-.001"
  • Minimum cut diameter: .156" because there is a pilot hole the tool will not cut below this diameter.
  • Set screw to hold a pilot or drill bit in place (if you are using a pilot or drill bit)
  • Pilot hole diameter:1/8, if using a pilot this is the shank diameter of the pilot you should choose
  • For counterboring and spotfacing in applications where machine requires a smaller shank

6. Amana Tool 55141 Carbide Tipped Shankless Counterbore with Slow Spiral #20 Screw 3/4

6
8.3/10 our score

  • Carbide tipped

7. 7/8" Interchangeable Pilot Counterbore

7
8.1/10 our score

  • Short series
  • High speed steel,
  • Straight shank

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