Holemaking > Counterbores & Porting Tools (ET04) - (2029 Products)
3/8″ Diam, 1/4″ Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore 2-3/8″ OAL, Bright Finish, High Speed Steel, Aircraft Style
Item #: 08840241
Brand: Value Collection
Model #: GH8840241Product Specifications
Counterbore Diameter (Inch)
3/8
Pilot Shank Diameter Compatibility (Inch)
3/32
Tool Material
High Speed Steel
Finish/Coating
Bright
Counterbore Material
High Speed Steel
Coating
Bright (Polished)
Number of Flutes
4
Shank Type
Straight
Shank Diameter (Inch)
1/4
Aircraft-Style
Yes
Overall Length (Inch)
2-3/8
Cutting Direction
Right Hand
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Socket-Head Cap Screw Compatible, Solid Pilot Counterbore TiN, Oversize Pilot, 5/16″ Diam Straight Shank, 0.281″ Pilot Diam, 5.63″ OAL
Item #: 40176976
Brand: Alvord Polk
Model #: 33017Product Specifications
Fastener Type Compatibility
Socket-Head Cap Screw
Counterbore Diameter (Decimal Inch)
0.4140
Fastener Size Compatibility (Inch)
1/4
Fastener Size Compatibility (Decimal Inch)
0.2500
Finish/Coating
TiN
Standard or Oversize Pilot
Oversize
Shank Diameter (mm)
0.3125 in
Overall Length
5.63 in
Aircraft-Style
No
Pilot Diameter (Decimal Inch)
0.2810
Pilot Diameter (Inch)
0.281 in
Shank Type
Straight
Overall Length (Decimal Inch)
5.63
Overall Length (Inch)
5-5/8
Overall Length (mm)
5.63 in
Cutting Direction
Forward
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13/32″ Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore 4-1/16″ OAL, Bright Finish, High Speed Steel
Item #: 08780264
Brand: Value Collection
Model #: GH8780264Product Specifications
Counterbore Diameter (Inch)
13/32
Pilot Shank Diameter Compatibility (Inch)
5/32
Tool Material
High Speed Steel
Shank Type
Morse Taper
Aircraft Style
No
Shank Taper Designation
1MT
Overall Length (Inch)
4-1/16
Cutting Direction
Right Hand
Number Of Flutes
3
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5/16″ Diam, 1/4″ Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore 2-3/8″ OAL, Bright Finish, High Speed Steel, Aircraft Style
Item #: 08840209
Brand: Value Collection
Model #: GH8840209
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7/16″ Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore 4-1/16″ OAL, Bright Finish, High Speed Steel
Item #: 08780280
Brand: Value Collection
Model #: GH8780280
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7/32″ Diam, 15/64″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 3″ OAL, 2-3/8″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08790149
Brand: Value Collection
Model #: GH8790149
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Brand: Glastonbury Gage & Southern Gage - GSG / Part #: GSG-CR-2.3517MC
Item #: 94419116
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-2.3517MCProduct Specifications
Material
Solid Carbide
Tolerance (Decimal Inch)
+0.00002/-0.00002
Blank Number Wire Size
#7
Inner Diameter (Decimal Inch)
2.3517
Calibrated
Yes
Traceability Certification Included
NIST
Standards
B47.1 Gage Standards; ASME B89.1.6
Go/No Go
Master
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Socket-Head Cap Screw Compatible, High Speed Steel Solid Pilot Counterbore Bright (Polished), 3/8″ Diam Straight Shank, 5/16″ Pilot Diam, 6.13″ OAL
Item #: 43983626
Brand: Alvord Polk
Model #: 03018
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Fillister-Head Screw Compatible, High Speed Steel Solid Pilot Counterbore Bright (Polished), Oversize Pilot, 1/4″ Diam Straight Shank, 0.195″ Pilot Diam, 5″ OAL
Item #: 43983584
Brand: Alvord Polk
Model #: 03011Product Specifications
Fastener Type Compatibility
Fillister-Head Screw
Counterbore Diameter (Decimal Inch)
0.3040
Fastener Size Compatibility (Inch)
8-32
Counterbore Material
High Speed Steel
Finish/Coating
Bright (Polished); Bright
Standard or Oversize Pilot
Oversize
Shank Diameter (mm)
0.25 in
Overall Length
5.0 in; 5 in
Aircraft-Style
No
Pilot Diameter (Decimal Inch)
0.1950
Pilot Diameter (Inch)
0.195 in
Shank Type
Straight
Overall Length (Decimal Inch)
5.00
Overall Length (Inch)
5
Overall Length (mm)
5.0 in; 5 in
Cutting Direction
Forward
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Brand: Glastonbury Gage & Southern Gage - GSG / Part #: GSG-CR-2.1844MC
Item #: 98461429
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-2.1844MCProduct Specifications
Material
Solid Carbide
Tolerance (Decimal Inch)
+0.00002/-0.00002
Blank Number Wire Size
#7
Inner Diameter (Decimal Inch)
2.1844
Calibrated
Yes
Traceability Certification Included
NIST
Standards
B47.1 Gage Standards; ASME B89.1.6
Go/No Go
Master
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0.1562″ Cut Diam, 5/8″ Flute Length, Solid Carbide Solid Counterbore AlTiN Finish, 4 Flutes, 3/16″ Shank Diam, 2 OAL
Item #: 52606001
Brand: Harvey Tool
Model #: 23410-C3
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High Speed Steel Solid Pilot Counterbore Bright (Polished), 0.4925″ Diam Straight Shank, 0.331″ Pilot Diam, 100mm OAL
Item #: 65671927
Brand: DORMER
Model #: 5973154Product Specifications
Counterbore Diameter (mm)
15.00
Counterbore Diameter (Decimal Inch)
0.5910
Counterbore Material
High Speed Steel
Finish/Coating
Bright (Polished); Bright
Shank Diameter (mm)
12.50; 0.4925 in; 12.5 mm
Number of Flutes
3
Overall Length
100.0 mm; 3.94 in
Aircraft-Style
No
Pilot Diameter (Decimal Inch)
0.3310
Pilot Diameter (Inch)
0.331 in; 8.4 mm
Pilot Diameter (mm)
8.40
Shank Type
Straight Shank
Overall Length (Decimal Inch)
3.94
Overall Length (mm)
100.00; 100.0 mm; 3.94 in
Cutting Direction
Right Hand
Tip Included Angle
180
Material Application2
Thermosetting Plastics; Aluminum; Brass; Carbon Steel; Free Machining Stainless Steel; Alloy Tool Steel; Steel; Aluminum Alloys; Copper Alloys; Titanium Alloys; Stainless Steel; Cast Iron; Structural Steel; Titanium; Nickel; Magnesium; Copper; Nickel Alloys; Plastics; Hardened Steel
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High Speed Steel Solid Pilot Counterbore Bright (Polished), 0.4925″ Diam Straight Shank, 0.2679″ Pilot Diam, 100mm OAL
Item #: 65671935
Brand: DORMER
Model #: 5973149Product Specifications
Counterbore Diameter (mm)
15.00
Counterbore Diameter (Decimal Inch)
0.5910
Counterbore Material
High Speed Steel
Finish/Coating
Bright (Polished); Bright
Shank Diameter (mm)
12.50; 0.4925 in; 12.5 mm
Number of Flutes
3
Overall Length
100.0 mm; 3.94 in
Aircraft-Style
No
Pilot Diameter (Decimal Inch)
0.2679
Pilot Diameter (Inch)
6.8 mm; 0.2679 in
Pilot Diameter (mm)
6.80
Shank Type
Straight Shank
Overall Length (Decimal Inch)
3.94
Overall Length (mm)
100.00; 100.0 mm; 3.94 in
Cutting Direction
Right Hand
Tip Included Angle
180
Material Application2
Thermosetting Plastics; Aluminum; Brass; Carbon Steel; Free Machining Stainless Steel; Alloy Tool Steel; Steel; Aluminum Alloys; Copper Alloys; Titanium Alloys; Stainless Steel; Cast Iron; Structural Steel; Titanium; Nickel; Magnesium; Copper; Nickel Alloys; Plastics; Hardened Steel
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Brand: Glastonbury Gage & Southern Gage - GSG / Part #: GSG-CR-2.0769MC
Item #: 89953202
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-2.0769MCProduct Specifications
Material
Solid Carbide
Tolerance (Decimal Inch)
+0.00002/-0.00002
Blank Number Wire Size
#7
Inner Diameter (Decimal Inch)
2.0769
Calibrated
Yes
Traceability Certification Included
NIST
Standards
B47.1 Gage Standards; ASME B89.1.6
Go/No Go
Master
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Solid Counterbores; Cutter Diameter (Decimal Inch): 0.1968; Shank Diameter (Inch): 1/4; Flute Length (Decimal Inch): 0.7500; Overall Length (Inch): 2-1/2; Material: Solid Carbide; Number of Flutes: 4
Item #: 16174336
Brand: Harvey Tool
Model #: 2345M-C6
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Solid Pilot Counterbores; Fastener Type Compatibility: Cap Screw; Counterbore Diameter (Decimal Inch): 0.7710; Fastener Size Compatibility (Inch): 1/2; Counterbore Material: High Speed Steel; Finish/Coating: Uncoated; Standard or Oversize Pilot: Oversize;
Item #: 07963002
Brand: Titan USA
Model #: TR97493Product Specifications
Fastener Type Compatibility
Cap Screw
Counterbore Diameter (Decimal Inch)
0.7710
Fastener Size Compatibility (Inch)
1/2
Counterbore Material
High Speed Steel
Finish/Coating
Uncoated
Standard or Oversize Pilot
Oversize
Shank Diameter (Inch)
1/2
Number of Flutes
4
Pilot Diameter (Inch)
33/64
Overall Length (Inch)
7-1/2
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1/4″ Cut Diam, 7/8″ Flute Length, Solid Carbide Solid Counterbore Uncoated, 4 Flutes, 1/4″ Shank Diam, 2-1/2 OAL
Item #: 63121974
Brand: Harvey Tool
Model #: 23416Product Specifications
Cutter Diameter (Decimal Inch)
0.2500
Shank Diameter (Inch)
1/4
Material
Solid Carbide
Number of Flutes
4
Finish/Coating
Uncoated
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Solid Counterbores; Cutter Diameter (Decimal Inch): 0.3125; Shank Diameter (Inch): 5/16; Flute Length (Decimal Inch): 1.0000; Overall Length (Inch): 2-1/2; Material: Solid Carbide; Number of Flutes: 4
Item #: 16174328
Brand: Harvey Tool
Model #: 23420-C6Product Specifications
Cutter Diameter (Decimal Inch)
0.3125
Shank Diameter (Inch)
5/16
Flute Length (Decimal Inch)
1.0000
Overall Length (Inch)
2-1/2
Material
Solid Carbide
Number of Flutes
4
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0.2362″ Cut Diam, 7/8″ Flute Length, Solid Carbide Solid Counterbore AlTiN Finish, 4 Flutes, 1/4″ Shank Diam, 2-1/2 OAL
Item #: 92651512
Brand: Harvey Tool
Model #: 2346M-C3
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High Speed Steel Solid Pilot Counterbore Bright (Polished), 0.197″ Diam Straight Shank, 0.1773″ Pilot Diam, 71mm OAL
Item #: 65671836
Brand: DORMER
Model #: 5973224Product Specifications
Counterbore Diameter (mm)
8.00
Counterbore Diameter (Decimal Inch)
0.3152
Counterbore Material
High Speed Steel
Finish/Coating
Bright (Polished); Bright
Shank Diameter (mm)
5.00; 0.197 in; 5.0 mm
Number of Flutes
3
Overall Length
71.0 mm; 2.8 in
Aircraft-Style
No
Pilot Diameter (Decimal Inch)
0.1773
Pilot Diameter (Inch)
0.1773 in; 4.5 mm
Pilot Diameter (mm)
4.50
Shank Type
Straight Shank
Overall Length (Decimal Inch)
2.80
Overall Length (mm)
71.0 mm; 71.00; 2.8 in
Cutting Direction
Right Hand
Tip Included Angle
180
Material Application2
Thermosetting Plastics; Aluminum; Brass; Carbon Steel; Free Machining Stainless Steel; Alloy Tool Steel; Steel; Aluminum Alloys; Copper Alloys; Titanium Alloys; Stainless Steel; Cast Iron; Structural Steel; Titanium; Nickel; Magnesium; Copper; Nickel Alloys; Plastics; Hardened Steel
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