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Aircraft 1/4 Shank Counterbores with different sizes available at SDS Market.
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Qualtech DEWA/CCBR1 Aircraft Counterbore 1/4" Shank - 1" X 3/16" HSS Qualtech DEWA/CCBR1 Aircraft Counterbore 1/4" Shank - 1" X 3/16" HSS

  • Qualtech DEWA/CCBR1 Aircraft Counterbore 1/4" Shank
  • O.A.L. 3-1/8
  • Dec. Equiv. 1.0000
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $92.90
Our Low Price: 55.74
Qualtech DEWA/CCBR1/2 Aircraft Counterbore 1/4" Shank - 1/2" X 1/8" HSS Qualtech DEWA/CCBR1/2 Aircraft Counterbore 1/4" Shank - 1/2" X 1/8" HSS

  • Qualtech DEWA/CCBR1/2 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 1/2
  • Dec. Equiv. .5000
  • Pilot Hole 1/8

Usually Ships in 24 Hours
List Price: $47.77
Our Low Price: 28.66
Qualtech DEWA/CCBR1/4 Aircraft Counterbore 1/4" Shank - 1/4" X 3/32" HSS Qualtech DEWA/CCBR1/4 Aircraft Counterbore 1/4" Shank - 1/4" X 3/32" HSS

  • Qualtech DEWA/CCBR1/4 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 1/4
  • Dec. Equiv. .2500
  • Pilot Hole 3/32

Usually Ships in 24 Hours
List Price: $41.09
Our Low Price: 24.65
Qualtech DEWA/CCBR11/16 Aircraft Counterbore 1/4" Shank - 11/16" X 3/16" HSS Qualtech DEWA/CCBR11/16 Aircraft Counterbore 1/4" Shank - 11/16" X 3/16" HSS

  • Qualtech DEWA/CCBR11/16 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 11/16
  • Dec. Equiv. .6875
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $65.65
Our Low Price: 39.39
Qualtech DEWA/CCBR11/32 Aircraft Counterbore 1/4" Shank - 11/32" X 3/32" HSS Qualtech DEWA/CCBR11/32 Aircraft Counterbore 1/4" Shank - 11/32" X 3/32" HSS

  • Qualtech DEWA/CCBR11/32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 11/32
  • Dec. Equiv. .3438
  • Pilot Hole 3/32

Usually Ships in 24 Hours
List Price: $43.23
Our Low Price: 25.94
Qualtech DEWA-CCBR13-16 Aircraft Counterbore 1/4" Shank - 13/16" X 3/16" HSS Qualtech DEWA-CCBR13-16 Aircraft Counterbore 1/4" Shank - 13/16" X 3/16" HSS

  • Qualtech DEWA-CCBR13-16 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 13/16
  • Dec. Equiv. .8125
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $69.90
Our Low Price: 41.94
Qualtech DEWA-CCBR13-32 Aircraft Counterbore 1/4" Shank - 13/32" X 1/8" HSS Qualtech DEWA-CCBR13-32 Aircraft Counterbore 1/4" Shank - 13/32" X 1/8" HSS

  • Qualtech DEWA-CCBR13-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 13/32
  • Dec. Equiv. .4063
  • Pilot Hole 1/8

Usually Ships in 24 Hours
List Price: $47.44
Our Low Price: 28.46
Qualtech DEWA-CCBR15-16 Aircraft Counterbore 1/4" Shank - 15/16" X 3/16" HSS Qualtech DEWA-CCBR15-16 Aircraft Counterbore 1/4" Shank - 15/16" X 3/16" HSS

  • Qualtech DEWA-CCBR15-16 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 15/16
  • Dec. Equiv. .9375
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $76.89
Our Low Price: 46.13
Qualtech DEWA-CCBR15-32 Aircraft Counterbore 1/4" Shank - 15/32" X 1/8" HSS Qualtech DEWA-CCBR15-32 Aircraft Counterbore 1/4" Shank - 15/32" X 1/8" HSS

  • Qualtech DEWA-CCBR15-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 15/32
  • Dec. Equiv. .4688
  • Pilot Hole 1/8

Usually Ships in 24 Hours
List Price: $46.93
Our Low Price: 28.16
Qualtech DEWA-CCBR17-32 Aircraft Counterbore 1/4" Shank - 17/32" X 1/8" HSS Qualtech DEWA/CCBR17/32 Aircraft Counterbore 1/4" Shank - 17/32" X 1/8" HSS

  • Qualtech DEWA-CCBR17-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 17/32
  • Dec. Equiv. .5313
  • Pilot Hole 1/8

Usually Ships in 24 Hours
List Price: $54.77
Our Low Price: 32.86
Qualtech DEWA-CCBR19-32 Aircraft Counterbore 1/4" Shank - 19/32" X 1/8" HSS Qualtech DEWA/CCBR19/32 Aircraft Counterbore 1/4" Shank - 19/32" X 1/8" HSS

  • Qualtech DEWA-CCBR19-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 19/32
  • Dec. Equiv. .5938
  • Pilot Hole 1/8

Usually Ships in 24 Hours
List Price: $59.48
Our Low Price: 35.69
Qualtech DEWA-CCBR21-32 Aircraft Counterbore 1/4" Shank - 21/32" X 3/16" HSS Qualtech DEWA-CCBR21-32 Aircraft Counterbore 1/4" Shank - 21/32" X 3/16" HSS

  • Qualtech DEWA-CCBR21-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 21/32
  • Dec. Equiv. .6563
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $64.88
Our Low Price: 38.93
Qualtech DEWA-CCBR23-32 Aircraft Counterbore 1/4" Shank - 23/32" X 3/16" HSS Qualtech DEWA-CCBR23-32 Aircraft Counterbore 1/4" Shank - 23/32" X 3/16" HSS

  • Qualtech DEWA-CCBR23-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 23/32
  • Dec. Equiv. .7188
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $68.29
Our Low Price: 40.97
Qualtech DEWA-CCBR25-32 Aircraft Counterbore 1/4" Shank - 25/32" X 3/16" HSS Qualtech DEWA-CCBR25-32 Aircraft Counterbore 1/4" Shank - 25/32" X 3/16" HSS

  • Qualtech DEWA-CCBR25-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 25/32
  • Dec. Equiv. .7813
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $72.19
Our Low Price: 43.31
Qualtech DEWA-CCBR27-32 Aircraft Counterbore 1/4" Shank - 27/32" X 3/16" HSS Qualtech DEWA-CCBR27-32 Aircraft Counterbore 1/4" Shank - 27/32" X 3/16" HSS

  • Qualtech DEWA-CCBR27-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 27/32
  • Dec. Equiv. .8438
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $73.22
Our Low Price: 43.93
Qualtech DEWA-CCBR29-32 Aircraft Counterbore 1/4" Shank - 29/32" X 3/16" HSS Qualtech DEWA-CCBR29-32 Aircraft Counterbore 1/4" Shank - 29/32" X 3/16" HSS

  • Qualtech DEWA-CCBR29-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 29/32
  • Dec. Equiv. .9063
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $76.88
Our Low Price: 46.13
Qualtech DEWA-CCBR3-4 Aircraft Counterbore 1/4" Shank - 3/4" X 3/16" HSS Qualtech DEWA-CCBR3-4 Aircraft Counterbore 1/4" Shank - 3/4" X 3/16" HSS

  • Qualtech DEWA-CCBR3-4 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 3/4
  • Dec. Equiv. .7500
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $68.33
Our Low Price: 41.00
Qualtech DEWA-CCBR3-8 Aircraft Counterbore 1/4" Shank - 3/8" X 3/32" HSS Qualtech DEWA-CCBR3-8 Aircraft Counterbore 1/4" Shank - 3/8" X 3/32" HSS

  • Qualtech DEWA-CCBR3-8 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 3/8
  • Dec. Equiv. .3750
  • Pilot Hole 3/32

Usually Ships in 24 Hours
List Price: $43.23
Our Low Price: 25.94
Qualtech DEWA-CCBR31-32 Aircraft Counterbore 1/4" Shank - 31/32" X 3/16" HSS Qualtech DEWA-CCBR31-32 Aircraft Counterbore 1/4" Shank - 31/32" X 3/16" HSS

  • Qualtech DEWA-CCBR31-32 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 31/32
  • Dec. Equiv. .9688
  • Pilot Hole 3/16

Usually Ships in 24 Hours
List Price: $92.16
Our Low Price: 55.30
Qualtech DEWA-CCBR5-16 Aircraft Counterbore 1/4" Shank - 5/16" X 3/32" HSS Qualtech DEWA-CCBR5-16 Aircraft Counterbore 1/4" Shank - 5/16" X 3/32" HSS

  • Qualtech DEWA-CCBR5-16 Aircraft Counterbore 1/4" Shank
  • Counterbores, Size 5/16
  • Dec. Equiv. .3125
  • Pilot Hole 3/32

Usually Ships in 24 Hours
List Price: $42.38
Our Low Price: 25.43