Holemaking > Counterbores & Porting Tools (ET04) - (2029 Products)
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 #: 03011
Product 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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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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Brand: Glastonbury Gage & Southern Gage - GSG / Part #: GSG-CR-2.3517MC
Item #: 94419116
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-2.3517MC
Product 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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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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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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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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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 #: GH8780264
Product 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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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 #: 33017
Product 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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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 #: GH8840241
Product 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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15/64″ Diam, 15/64″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 3-13/16″ OAL, 3-1/16″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08790156
Brand: Value Collection
Model #: GH8790156
Product Specifications
| Counterbore Diameter (Inch) | 15/64 |
| 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 | 3 |
| Shank Type | Straight |
| Shank Diameter (Inch) | 15/64 |
| Aircraft-Style | No |
| Shank Length (Inch) | 3-1/16 |
| Overall Length (Inch) | 3-13/16 |
| Cutting Direction | Right Hand |
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21/64″ Diam, 5/16″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 3-13/16″ OAL, 3-1/16″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08790214
Brand: Value Collection
Model #: GH8790214
Product Specifications
| Counterbore Diameter (Inch) | 21/64 |
| 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 | 3 |
| Shank Type | Straight |
| Shank Diameter (Inch) | 5/16 |
| Aircraft-Style | No |
| Shank Length (Inch) | 3-1/16 |
| Overall Length (Inch) | 3-13/16 |
| Cutting Direction | Right Hand |
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17/32″ Diam, 1/4″ Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore 2-13/16″ OAL, 5/8″ Flute Length, Bright Finish, High Speed Steel, Aircraft Style
Item #: 71010342
Brand: Made in USA
Model #: MIT-434-10
Product Specifications
| Counterbore Diameter (Inch) | 17/32 |
| Pilot Shank Diameter Compatibility (Inch) | 1/8 |
| 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) | 2-13/16 |
| Flute Length (Inch) | 5/8 |
| Cutting Direction | Right Hand |
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Socket-Head Cap Screw Compatible, Solid Pilot Counterbore TiN, Oversize Pilot, 3/8″ Diam Straight Shank, 0.343″ Pilot Diam, 6.13″ OAL
Item #: 40177008
Brand: Alvord Polk
Model #: 33020
Product Specifications
| Fastener Type Compatibility | Socket-Head Cap Screw |
| Counterbore Diameter (Decimal Inch) | 0.5070 |
| Fastener Size Compatibility (Inch) | 5/16 |
| Fastener Size Compatibility (Decimal Inch) | 0.3125 |
| Finish/Coating | TiN |
| Standard or Oversize Pilot | Oversize |
| Shank Diameter (mm) | 0.375 in |
| Overall Length | 6.13 in |
| Aircraft-Style | No |
| Pilot Diameter (Decimal Inch) | 0.3430 |
| Pilot Diameter (Inch) | 0.343 in |
| Shank Type | Straight |
| Overall Length (Decimal Inch) | 6.13 |
| Overall Length (Inch) | 6-1/8 |
| Overall Length (mm) | 6.13 in |
| Cutting Direction | Forward |
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25/64″ Diam, 3/8″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 4-1/16″ OAL, 3-1/16″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08790255
Brand: Value Collection
Model #: GH8790255
Product Specifications
| Counterbore Diameter (Inch) | 25/64 |
| Pilot Shank Diameter Compatibility (Inch) | 5/32 |
| Tool Material | High Speed Steel |
| Finish/Coating | Bright |
| Counterbore Material | High Speed Steel |
| Coating | Bright (Polished) |
| Number of Flutes | 3 |
| Shank Type | Straight |
| Shank Diameter (Inch) | 3/8 |
| Aircraft-Style | No |
| Shank Length (Inch) | 3-1/16 |
| Overall Length (Inch) | 4-1/16 |
| Cutting Direction | Right Hand |
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1/4″ Diam, 15/64″ Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore 4″ OAL, Bright Finish, High Speed Steel, Aircraft Style
Item #: 08830168
Brand: Value Collection
Model #: GH8830168
Product Specifications
| Counterbore Diameter (Inch) | 1/4 |
| 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) | 15/64 |
| Aircraft-Style | Yes |
| Overall Length | 4 in |
| Overall Length (Inch) | 4 |
| Cutting Direction | Right Hand |
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17/32″ Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore 4-5/16″ OAL, Bright Finish, High Speed Steel
Item #: 08780348
Brand: Value Collection
Model #: GH8780348
Product Specifications
| Counterbore Diameter (Inch) | 17/32 |
| Pilot Shank Diameter Compatibility (Inch) | 3/16 |
| Tool Material | High Speed Steel |
| Finish/Coating | Bright |
| Counterbore Material | High Speed Steel |
| Coating | Bright (Polished) |
| Number of Flutes | 3 |
| Shank Type | Morse Taper |
| Aircraft-Style | No |
| Shank Taper Designation | 1MT |
| Overall Length (Inch) | 4-5/16 |
| Cutting Direction | Right Hand |
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1/4″ Diam, 15/64″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 3-13/16″ OAL, 3-1/16″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08812166
Brand: Made in USA
Model #: 10381
Product Specifications
| Counterbore Diameter (Inch) | 1/4 |
| 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 | 3 |
| Shank Type | Straight |
| Shank Diameter (Inch) | 15/64 |
| Shank Length (Inch) | 3-1/16 |
| Overall Length (Inch) | 3-13/16 |
| Cutting Direction | Right Hand |
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3/8″ Diam, 5/16″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 4-1/16″ OAL, 3-1/16″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08812240
Brand: Made in USA
Model #: 10385
Product Specifications
| Counterbore Diameter (Inch) | 3/8 |
| Pilot Shank Diameter Compatibility (Inch) | 5/32 |
| Tool Material | High Speed Steel |
| Finish/Coating | Bright |
| Counterbore Material | High Speed Steel |
| Coating | Bright (Polished) |
| Number of Flutes | 3 |
| Shank Type | Straight |
| Shank Diameter (Inch) | 5/16 |
| Shank Length (Inch) | 3-1/16 |
| Overall Length (Inch) | 4-1/16 |
| Cutting Direction | Right Hand |
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9/16″ Diam, 1/2″ Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore 4-1/4″ OAL, Bright Finish, High Speed Steel, Aircraft Style
Item #: 71011365
Brand: Made in USA
Model #: MIT-435-11
Product Specifications
| Counterbore Diameter (Inch) | 9/16 |
| Pilot Shank Diameter Compatibility (Inch) | 1/8 |
| Tool Material | High Speed Steel |
| Shank Type | Straight |
| Shank Diameter (Inch) | 1/2 |
| Aircraft Style | Yes |
| Overall Length (Inch) | 4-1/4 |
| Cutting Direction | Right Hand |
| Number Of Flutes | 4 |
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11/32″ Diam, 5/16″ Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 3-13/16″ OAL, 3-1/16″ OAL Shank, Bright Finish, High Speed Steel
Item #: 08812224
Brand: Made in USA
Model #: 10384
Product Specifications
| Counterbore Diameter (Inch) | 11/32 |
| Pilot Shank Diameter Compatibility (Inch) | 3/32 |
| Tool Material | High Speed Steel |
| Shank Type | Straight |
| Shank Diameter (Inch) | 5/16 |
| Overall Length (Inch) | 3-13/16 |
| Cutting Direction | Right Hand |
| Number Of Flutes | 3 |
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