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Decimal Equivalent
.1875"
.2031"
.2344"
.2500"
.2656"
.2812"
.2969"
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.5000"
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.5469"
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.5938"
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.6406"
.6562"
.6719"
.6875"
.7031"
.7188"
.7344"
.7500"
.7656"
.7812"
.7969"
.8125"
.8281"
.8438"
.8594"
.8750"
.8906"
.9062"
.9219"
.9375"
.9531"
.9688"
.9844"
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3.0000"
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Geometry/Tool Specs
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3/16" Pilot Diameter
3/32" Pilot Diameter
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5/16" Pilot Diameter
5/32" Pilot Diameter
7/16" Pilot Diameter
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Taper Shank

Counterbores for Interchangeable Pilots

Counterbores for Interchangeable Pilots
xxUsed to enlarge the openings of a hole to allow room for the head of a screw. Also good for general purpose counterboring & spot facing. For use with interchangeable pilots.
 More Info   Size   Decimal Equivalent   Shank Size   Overall Length   Size Type   Geometry/Tool Specs   Brand   Shank Type   Price   Buy Now 
 
1225012
 
3/16" .1875" 15/64" 3" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $24.90 
 
1225013
 
13/64" .2031" 15/64" 3" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $24.90 
 
1225014
 
7/32" .2031" 15/64" 3" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $24.90 
 
1225015
 
15/64" .2344" 15/64" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $23.10 
 
1225016
 
1/4" .2500" 15/64" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $19.68 
 
1225017
 
17/64" .2656" 17/64" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $19.68 
 
1225018
 
9/32" .2812" 17/64" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $19.68 
 
1225019
 
19/64" .2969" 17/64" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $19.98 
 
1225020
 
5/16" .3125" 19/64" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $19.98 
 
1225021
 
21/64" .3281" 5/16" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $20.40 
 
1225022
 
11/32" .3438" 5/16" 3-13/16" Inch Size 3/32" Pilot Diameter MEDA - Superior Import Straight Shank  $20.40 
 
1225023
 
23/64" .3594" 5/16" 4-1/16" Inch Size 5/32" Pilot Diameter MEDA - Superior Import Straight Shank  $20.40 
 
1225024
 
3/8" .3750" 5/16" 4-1/16" Inch Size 5/32" Pilot Diameter MEDA - Superior Import Straight Shank  $20.40 
 
1225025
 
25/64" .3906" 3/8" 4-1/16" Inch Size 5/32" Pilot Diameter MEDA - Superior Import Straight Shank  $21.66 
 
1225026
 
13/32" .4062" 3/8" 4-1/16" Inch Size 5/32" Pilot Diameter MEDA - Superior Import Straight Shank  $21.66 
 
1225027
 
27/64" .4219" 3/8" 4-1/16" Inch Size 5/32" Pilot Diameter MEDA - Superior Import Straight Shank  $21.66 
 
1225028
 
7/16" .4375" 3/8" 4-1/16" Inch Size 5/32" Pilot Diameter MEDA - Superior Import Straight Shank  $21.66 
 
1225029
 
29/64" .4531" 7/16" 4-5/16" Inch Size 3/16" Pilot Diameter MEDA - Superior Import Straight Shank  $23.10 
 
1225030
 
15/32" .4688" 7/16" 4-5/16" Inch Size 3/16" Pilot Diameter MEDA - Superior Import Straight Shank  $23.10 
 
1225031
 
31/64" .4844" 7/16" 4-5/16" Inch Size 3/16" Pilot Diameter MEDA - Superior Import Straight Shank  $15.60 
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warningThis product may contain metals and/or chemicals that are included in the State of California's latest Prop 65 warnings. Exposure may cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov