Our local phone lines are down due to city-wide vandalism.
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.

1/2"" Cobalt Reduced Shk D/ACO

A dependable, general purpose drill designed to perform in a broad range of materials in the iron and steel families. Ideal for production, maintenance or portable drilling jobs. Black and bright finish. Made of high speed steel with a 118° conventional point. Reduced Shank Drills expand the size range capacity of a portable drill chuck.

If an item shows Call for Price, ask for price and availability, as it may have lead time or is a special order item.

Sort By:

Filters:

Size

All Set 1-1/16" 1-1/2" 1-1/4" 1-1/8" 1-3/16" 1-3/8" 1-5/16" 1-7/16" 11/16" 13/16" 15/16" 17/32" 19/32" 1" 21/32" 23/32" 25/32" 27/32" 29/32" 3/4" 31/32" 33/64" 35/64" 37/64" 39/64" 41/64" 43/64" 45/64" 47/64" 49/64" 5/8" 51/64" 53/64" 55/64" 57/64" 59/64" 61/64" 63/64" 7/8" 9/16"

Page {pageNumber} of {pagesNumber}

8 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 9/16" - 1", D/ACO

CF-D/A1008-CO-SET

8 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 9/16" - 1", D/ACO
G
0
Weight: 5.5100000

Size:	SetSet
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:
Overall Length:	Split PointSplit Point
Point:	1/2"1/2"
Shank Size:	135135
Point Angle:	RoundRound
Shank Type:	22

$464.2278 / EA

Qty

33 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 1/2" - 1", D/ACO

CF-D/A833SD-CO-SET

33 Piece Cobalt Drill Bit Set with Reduced 1/2" Shank, 1/2" - 1", D/ACO
G
0
Weight: 12.1300000

Size:	SetSet
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:
Overall Length:	Split PointSplit Point
Point:	1/2"1/2"
Shank Size:	135135
Point Angle:	RoundRound
Shank Type:	22

$1941.8956 / EA

Qty

1-1/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-1/16

1-1/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.8600000

Size:	1-1/16"1-1/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$123.2520 / EA

Qty

1-1/2" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-1/2

1-1/2" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 1.9800000

Size:	1-1/2"1-1/2"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$293.8988 / EA

Qty

1-1/4" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-1/4

1-1/4" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 1.5000000

Size:	1-1/4"1-1/4"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$170.2346 / EA

Qty

1-1/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-1/8

1-1/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.9300000

Size:	1-1/8"1-1/8"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$140.1750 / EA

Qty

1-3/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-3/16

1-3/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 1.3200000

Size:	1-3/16"1-3/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$153.7495 / EA

Qty

1-3/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-3/8

1-3/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 1.8100000

Size:	1-3/8"1-3/8"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$242.9237 / EA

Qty

1-5/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-5/16

1-5/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 1.6300000

Size:	1-5/16"1-5/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$211.2414 / EA

Qty

1-7/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1-7/16

1-7/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 1.8500000

Size:	1-7/16"1-7/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$267.2307 / EA

Qty

CF-D/ACO11/16

11/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.3300000

Size:	11/16"11/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$50.3397 / EA

Qty

CF-D/ACO13/16

13/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4300000

Size:	13/16"13/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$62.9096 / EA

Qty

CF-D/ACO15/16

15/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.6200000

Size:	15/16"15/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$82.6403 / EA

Qty

17/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO17/32

17/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1700000

Size:	17/32"17/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$40.7062 / EA

Qty

19/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO19/32

19/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1900000

Size:	19/32"19/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$45.8321 / EA

Qty

1" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO1INCH

1" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.7900000

Size:	1"1"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$97.1592 / EA

Qty

21/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO21/32

21/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.2900000

Size:	21/32"21/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$50.3397 / EA

Qty

23/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO23/32

23/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.3500000

Size:	23/32"23/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$56.0151 / EA

Qty

25/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO25/32

25/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4200000

Size:	25/32"25/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$62.9096 / EA

Qty

27/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO27/32

27/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4400000

Size:	27/32"27/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$67.5804 / EA

Qty

29/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO29/32

29/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.5500000

Size:	29/32"29/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$82.6403 / EA

Qty

3/4" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO3/4

3/4" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4000000

Size:	3/4"3/4"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$56.0151 / EA

Qty

31/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO31/32

31/32" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.6600000

Size:	31/32"31/32"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$97.1592 / EA

Qty

33/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO33/64

33/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1600000

Size:	33/64"33/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$42.2088 / EA

Qty

35/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO35/64

35/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1700000

Size:	35/64"35/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$42.2088 / EA

Qty

37/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO37/64

37/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1900000

Size:	37/64"37/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$47.5235 / EA

Qty

39/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO39/64

39/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1900000

Size:	39/64"39/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$47.5235 / EA

Qty

41/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO41/64

41/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.2200000

Size:	41/64"41/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$52.1771 / EA

Qty

43/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO43/64

43/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.3100000

Size:	43/64"43/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$52.1771 / EA

Qty

45/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO45/64

45/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.3400000

Size:	45/64"45/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$58.0929 / EA

Qty

47/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO47/64

47/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.3700000

Size:	47/64"47/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$58.0929 / EA

Qty

49/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO49/64

49/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4100000

Size:	49/64"49/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$65.2278 / EA

Qty

5/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO5/8

5/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.2100000

Size:	5/8"5/8"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$45.8321 / EA

Qty

51/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO51/64

51/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4300000

Size:	51/64"51/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$65.2278 / EA

Qty

53/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO53/64

53/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.4300000

Size:	53/64"53/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$65.2293 / EA

Qty

55/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO55/64

55/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.5100000

Size:	55/64"55/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$76.6644 / EA

Qty

57/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO57/64

57/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.5700000

Size:	57/64"57/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$85.6883 / EA

Qty

59/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO59/64

59/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.5700000

Size:	59/64"59/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$85.6883 / EA

Qty

61/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO61/64

61/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.6200000

Size:	61/64"61/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$99.9582 / EA

Qty

63/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO63/64

63/64" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.7100000

Size:	63/64"63/64"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$99.9582 / EA

Qty

7/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO7/8

7/8" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.5700000

Size:	7/8"7/8"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$73.8997 / EA

Qty

9/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO

CF-D/ACO9/16

9/16" Cobalt Drill Bit with 1/2" Reduced Shank, D/ACO
G
0
Weight: 0.1800000

Size:	9/16"9/16"
Material:	CobaltCobalt
Finish:	GoldGold
Flute Length:	3"3"
Overall Length:	6"6"
Point:	Split PointSplit Point
Shank Size:
Point Angle:
Shank Type:

$40.7062 / EA

Qty

No items match your selected filters. Please change or reset your filters to try again.

Page {pageNumber} of {pagesNumber}

Item(s) Added to Cart
View Cart

Wishlist Updated
View Wishlist

This website uses cookies to ensure you get the best user experience. By continuing to use this site, you agree to our cookies and terms of use policy.