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Product Family
Counterbore Insert Holders
Counterbore Pilots
Counterbores
System of Measurement
Inch
Metric
Body Diameter
0.110"
0.133"
0.155"
0.176"
0.186"
3/16"
0.198"
0.205"
0.206"
7/32"
0.22"
0.221"
0.228"
0.236"
0.241"
0.242"
0.244"
1/4"
Screw Size
No. 0
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
No. 8
No. 10
No. 12
1/4"
5/16"
3/8"
7/16"
1/2"
5/8"
3/4"
7/8"
1"
M3
M4
M5
M6
M8
M10
M12
M14
M16
M20
For Use On
Aluminum
Brass
Bronze
Iron
Plastic
Stainless Steel
Steel
Titanium
Pilot Diameter
0.112"
1/8"
0.128"
0.138"
0.141"
0.143"
0.154"
0.156"
0.164"
0.169"
0.18"
0.19"
0.195"
0.206"
0.221"
1/4"
17/64"
0.266"
Number of Flutes
2
3
4
Material
Carbide-Tipped Steel
Steel
Pilot Shank Diameter
3/32"
1/8"
5/32"
3/16"
1/4"
5/16"
3/8"
Shank Diameter
5/32"
3/16"
7/32"
15/64"
1/4"
17/64"
9/32"
19/64"
5/16"
3/8"
7/16"
1/2"
5/8"
3/4"
7/8"
1"
Pilot Head Diameter
0.059"
0.072"
0.085"
3/32"
0.098"
0.111"
0.124"
1/8"
0.137"
5/32"
0.163"
3/16"
0.189"
0.215"
7/32"
1/4"
9/32"
5/16"
11/32"
3/8"
13/32"
7/16"
15/32"
1/2"
17/32"
9/16"
5/8"
11/16"
3/4"
13/16"
1"
Counterbore Size
No. 5
No. 6
No. 8
No. 10
1/4"
5/16"
3/8"
7/16"
1/2"
M3
M4
M5
M6
M8
M10
M12
M14
M16
Sold As
Individual
Kit
Set
Finish
Aluminum Titanium Nitride (AlTiN) Coated
Carbide Tipped
Titanium Nitride (TiN) Coated
Uncoated
Overall Length
1
7/32"
1
1/4"
1.28125"
1
3/8"
1.40625"
1
15/32"
1
1/2"
1
9/16"
1.625"
1
3/4"
1
13/16"
1.90625"
1
15/16"
2"
2
1/16"
2.15625"
2
1/4"
2
11/32"
Shank Type
Morse Taper
Reduced Round
Round
Tolerance Rating
Oversized
Standard
Pilot Length
3/32"
0.110"
0.120"
1/8"
0.156"
5/32"
0.170"
3/16"
0.188"
0.190"
0.197"
0.203"
0.217"
0.218"
7/32"
0.219"
0.220"
0.230"
Counterbore Type
Standard
Carbide Insert
Drill Point
Length
1
7/32"
1
1/4"
1.28125"
1
3/8"
1.40625"
1
15/32"
1
1/2"
1
9/16"
1.625"
1
3/4"
1
13/16"
1.90625"
1
15/16"
2"
2
1/16"
2.15625"
2
1/4"
2
11/32"
Pilot Type
Built In
Changeable
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
RoHS
Compliant
Compliant with Exemptions
Not Compliant
Export Control Classification Number (ECCN)
EAR99
DFARS Specialty Metals
Exempt
REACH
Compliant
Not Compliant
Manufacturer
Allied Machine & Engineering
Alvord-Polk Tool
Cleveland
Dormer Pramet
Everede Tool
F&D Tool
Keo
Kyocera
Link Industries
Mist Cutting Tools
Republic Drill
Rock River Tool
Scientific Cutting Tools
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440 Products
...
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