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Please use (562) 271-7585 if you need to reach us by phone during this time, or email us at info@crestfasteners.com for service.
Taper Shank Counterbores
Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the operations is usually known as spot-facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two-piece construction, having an integral shank and counterbore-cutter, and a pilot that is interchangable, which provides flexibility in the use of the tool.
If an item shows Call for Price, ask for price and availability, as it may have lead time or is a special order item.
If an item shows Call for Price, ask for price and availability, as it may have lead time or is a special order item.
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Body Dia
Material
Pilot Dia
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Shank Type
Finish
Number of Flutes
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CF-DEWCBRTS1-1/16
- 1-1/16" X 5/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-1/16"1-1/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 5/16"5/16" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 6-3/8"6-3/8" |
- $77.4334 / EA
CF-DEWCBRTS1-1/2
- 1-1/2" X 3/8" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-1/2"1-1/2" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/8"3/8" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 7-7/8"7-7/8" |
- $125.1468 / EA
CF-DEWCBRTS1-1/4
- 1-1/4" X 3/8" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-1/4"1-1/4" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/8"3/8" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 6-5/8"6-5/8" |
- $99.2037 / EA
CF-DEWCBRTS1-1/8
- 1-1/8" X 5/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-1/8"1-1/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 5/16"5/16" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 6-3/8"6-3/8" |
- $80.7491 / EA
CF-DEWCBRTS1-11/16
- 1-11/16" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-11/16"1-11/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $183.3640 / EA
CF-DEWCBRTS1-13/16
- 1-13/16" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-13/16"1-13/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $201.7779 / EA
CF-DEWCBRTS1-15/16
- 1-15/16" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-15/16"1-15/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $228.1705 / EA
CF-DEWCBRTS1-3/16
- 1-3/16" X 5/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-3/16"1-3/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 5/16"5/16" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 6-3/8"6-3/8" |
- $84.4610 / EA
CF-DEWCBRTS1-3/4
- 1-3/4" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-3/4"1-3/4" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $183.3640 / EA
CF-DEWCBRTS1-3/8
- 1-3/8" X 3/8" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-3/8"1-3/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/8"3/8" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 6-5/8"6-5/8" |
- $109.4743 / EA
CF-DEWCBRTS1-5/16
- 1-5/16" X 3/8" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-5/16"1-5/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/8"3/8" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 6-5/8"6-5/8" |
- $105.2286 / EA
CF-DEWCBRTS1-5/8
- 1-5/8" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-5/8"1-5/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $170.4067 / EA
CF-DEWCBRTS1-7/16
- 1-7/16" X 3/8" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-7/16"1-7/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/8"3/8" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 7-7/8"7-7/8" |
- $122.7855 / EA
CF-DEWCBRTS1-7/8
- 1-7/8" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-7/8"1-7/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $201.7779 / EA
CF-DEWCBRTS1-9/16
- 1-9/16" X 7/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1-9/16"1-9/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 7/16"7/16" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-1/8"8-1/8" |
- $170.4067 / EA
CF-DEWCBRTS1/2
- 1/2" X 3/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1/2"1/2" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/16"3/16" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 4-5/16"4-5/16" |
- $35.6558 / EA
CF-DEWCBRTS1/4
- 1/4" X 3/32" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1/4"1/4" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/32"3/32" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 3-13/16"3-13/16" |
- $31.8629 / EA
CF-DEWCBRTS11/16
- 11/16" X 3/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 11/16"11/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/16"3/16" |
| Shank Size: | 2MT2MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 5-1/8"5-1/8" |
- $46.7997 / EA
CF-DEWCBRTS13/16
- 13/16" X 1/4" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 13/16"13/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/4"1/4" |
| Shank Size: | 2MT2MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 5-3/8"5-3/8" |
- $51.2637 / EA
CF-DEWCBRTS15/16
- 15/16" X 1/4" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 15/16"15/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/4"1/4" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 6-1/8"6-1/8" |
- $56.2858 / EA
CF-DEWCBRTS1INCH
- 1" X 5/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 1"1" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 5/16"5/16" |
| Shank Size: | 3MT3MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 6-3/8"6-3/8" |
- $67.4540 / EA
CF-DEWCBRTS2-1/2
- 2-1/2" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-1/2"2-1/2" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $380.6970 / EA
CF-DEWCBRTS2-1/4
- 2-1/4" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-1/4"2-1/4" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $333.1643 / EA
CF-DEWCBRTS2-1/8
- 2-1/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-1/8"2-1/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $312.8305 / EA
CF-DEWCBRTS2-3/4
- 2-3/4" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-3/4"2-3/4" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $497.2635 / EA
CF-DEWCBRTS2-3/8
- 2-3/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-3/8"2-3/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $357.5753 / EA
CF-DEWCBRTS2-5/8
- 2-5/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-5/8"2-5/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $469.2022 / EA
CF-DEWCBRTS2-7/8
- 2-7/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2-7/8"2-7/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $517.3708 / EA
CF-DEWCBRTS27/32
- 27/32" X 1/4" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 27/32"27/32" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/4"1/4" |
| Shank Size: | 2MT2MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 5-3/8"5-3/8" |
- $53.6818 / EA
CF-DEWCBRTS2INCH
- 2" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 2"2" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 4MT4MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 8-3/8"8-3/8" |
- $232.3959 / EA
CF-DEWCBRTS3/4
- 3/4" X 1/4" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 3/4"3/4" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/4"1/4" |
| Shank Size: | 2MT2MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 5-3/8"5-3/8" |
- $48.5465 / EA
CF-DEWCBRTS3/8
- 3/8" X 5/32" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 3/8"3/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 5/32"5/32" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 4-1/16"4-1/16" |
- $32.8091 / EA
CF-DEWCBRTS3INCH
- 3" X 1/2" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 3"3" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/2"1/2" |
| Shank Size: | 5MT5MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 55 |
| Overall Length: | 9-7/8"9-7/8" |
- $536.4850 / EA
CF-DEWCBRTS5/16
- 5/16" X 3/32" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 5/16"5/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/32"3/32" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 3-13/16"3-13/16" |
- $32.7444 / EA
CF-DEWCBRTS5/8
- 5/8" X 3/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 5/8"5/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/16"3/16" |
| Shank Size: | 2MT2MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 5-1/8"5-1/8" |
- $42.6268 / EA
CF-DEWCBRTS7/16
- 7/16" X 5/32" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 7/16"7/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 5/32"5/32" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 4-1/16"4-1/16" |
- $34.7257 / EA
CF-DEWCBRTS7/8
- 7/8" X 1/4" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 7/8"7/8" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 1/4"1/4" |
| Shank Size: | 2MT2MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 5-3/8"5-3/8" |
- $53.6818 / EA
CF-DEWCBRTS9/16
- 9/16" X 3/16" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 9/16"9/16" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/16"3/16" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 4-5/16"4-5/16" |
- $39.9823 / EA
CF-DEWCBRTS9/32
- 9/32" X 3/32" Pilot Hole HSS Taper Shank Counterbore
- G
- 0
- Weight: 1.0000000
| Body Dia: | 9/32"9/32" |
| Material: | High Speed SteelHigh Speed Steel |
| Pilot Dia: | 3/32"3/32" |
| Shank Size: | 1MT1MT |
| Shank Type: | TaperTaper |
| Finish: | Uncoated (Bright)Uncoated (Bright) |
| Number of Flutes: | 33 |
| Overall Length: | 3-13/16"3-13/16" |
- $31.8629 / EA
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