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Shank Dia.

0.3750 in 0.3750 in (1)
0.5000 in 0.5000 in (95)

Measurement System

Fractional Inch Fractional Inch (83)
Metric Metric (13)

Drill Bit Size

33/64 in 33/64 in (3)
17/32 in 17/32 in (4)
35/64 in 35/64 in (2)
9/16 in 9/16 in (3)
37/64 in 37/64 in (3)
19/32 in 19/32 in (3)
39/64 in (2)

5/8 in (3)

41/64 in (2)

21/32 in (3)

43/64 in (2)

11/16 in (1)

45/64 in (2)

23/32 in (3)

47/64 in (3)

3/4 in (3)

49/64 in (2)

25/32 in (3)

51/64 in (1)

13/16 in (3)

53/64 in (1)

27/32 in (1)

55/64 in (1)

7/8 in (2)

57/64 in (1)

29/32 in (2)

59/64 in (2)

15/16 in (3)

61/64 in (1)

31/32 in (2)

63/64 in (1)

1 in (1)

1 1/16 in (1)

1 1/8 in (1)

1 9/64 in (1)

1 5/32 in (1)

1 3/16 in (1)

1 1/4 in (3)

1 5/16 in (1)

1 3/8 in (2)

1 1/2 in (3)

13.00 mm (1)

14.00 mm (1)

15.00 mm (1)

16.00 mm (1)

17.00 mm (1)

18.00 mm (1)

18.50 mm (1)

19.00 mm (1)

19.50 mm (1)

20.00 mm (1)

21.00 mm (1)

22.00 mm (1)

24.00 mm (1)
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Decimal Equivalent

0.5118 in 0.5118 in (1)
0.5156 in 0.5156 in (3)
0.5312 in 0.5312 in (2)
0.5313 in 0.5313 in (2)
0.5469 in 0.5469 in (2)
0.5512 in 0.5512 in (1)
0.5625 in (3)

0.5781 in (3)

0.5906 in (1)

0.5938 in (3)

0.6094 in (2)

0.6250 in (3)

0.6299 in (1)

0.6406 in (2)

0.6562 in (2)

0.6563 in (1)

0.6693 in (1)

0.6719 in (2)

0.6875 in (1)

0.7031 in (2)

0.7087 in (1)

0.7188 in (3)

0.7283 in (1)

0.7344 in (3)

0.7480 in (1)

0.7500 in (3)

0.7656 in (2)

0.7677 in (1)

0.7812 in (2)

0.7813 in (1)

0.7874 in (1)

0.7969 in (1)

0.8125 in (3)

0.8268 in (1)

0.8281 in (1)

0.8438 in (1)

0.8594 in (1)

0.8661 in (1)

0.8750 in (2)

0.8906 in (1)

0.9062 in (1)

0.9063 in (1)

0.9219 in (2)

0.9375 in (3)

0.9449 in (1)

0.9531 in (1)

0.9688 in (2)

0.9844 in (1)

1.0000 in (1)

1.0625 in (1)

1.1250 in (1)

1.1406 in (1)

1.1562 in (1)

1.1875 in (1)

1.2500 in (3)

1.3125 in (1)

1.3750 in (2)

1.5000 in (3)
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Material - Machining

Cobalt Cobalt (25)
High Speed Steel High Speed Steel (71)

Finish - Machining

Black Oxide Black Oxide (38)
Black, Gold Black, Gold (33)
Bronze Bronze (25)

Drill Bit Point Angle

118 Degrees 118 Degrees (71)
135 Degrees 135 Degrees (25)

Flute Length

3 in 3 in (82)
4 13/16 in 4 13/16 in (1)
75.00 mm 75.00 mm (13)

Overall Length

6 in 6 in (83)
6 5/8 in 6 5/8 in (1)
150.00 mm 150.00 mm (12)

Reduced-Shank Drill Bits

Reduced-shank drill bits have a shank with a smaller diameter than their cutting head. They can drill large holes while still being compatible with standard sizes of drill chucks on handheld drills. Reduced-shank drill bits are used in maintenance and repair applications.

https://catalogue.grainger.ca/?hybris=true

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PRENTICE DRILL BIT, 37/64 IN, HYPER, 3 IN FLUTE

CLARKSON-OSBORN
PRENTICE DRILL BIT, 37/64 IN, HYPER, 3 IN FLUTE
Item # CSBZD50037
Mfr. Model # ZD50037

EHC: EHC :

This reduced shank Silver and Deming drill bit has a 118 Degrees drill bit point. Plus it has three-inch flutes, and a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a 118 Degrees drill bit point. Plus it has three-inch flutes, and a 118 Degrees drill point.

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SDS Document Not Found

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Web Price : $28.42 / EACH

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1-3/8 IN HYPER PRENTICE DRILL BIT, 6 IN OVERALL LENGTH, 3 IN SHANK

CLARKSON-OSBORN
1-3/8 IN HYPER PRENTICE DRILL BIT, 6 IN OVERALL LENGTH, 3 IN SHANK
Item # CSBZD50124
Mfr. Model # ZD50124

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a three-inch long shank. It has a six-inch length.

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a three-inch long shank. It has a six-inch length.

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SDS Document Not Found

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Web Price : $102.26 / EACH

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1 1/16 IN BIT SIZE, 6 IN LENGTH, 1/2 IN SHANK DIAMETER

CLARKSON-OSBORN
1 1/16 IN BIT SIZE, 6 IN LENGTH, 1/2 IN SHANK DIAMETER
Item # CSBZD50104
Mfr. Model # ZD50104

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a three-inch long shank. It has a six-inch length.

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a three-inch long shank. It has a six-inch length.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.

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Web Price : $58.60 / EACH

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63/64 IN HYPER PRENTICE DRILL BIT, 6 IN OVERALL LENGTH, 3 IN SHANK

CLARKSON-OSBORN
63/64 IN HYPER PRENTICE DRILL BIT, 6 IN OVERALL LENGTH, 3 IN SHANK
Item # CSBZD50563
Mfr. Model # ZD50563

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a three-inch long shank. It has a six-inch length.

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a three-inch long shank. It has a six-inch length.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

This product must be purchased in quantities of 3 or more. Please update the quantity to proceed with checkout.

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Web Price : $47.82 / EACH

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CLARKSON-OSBORN
DRILL BIT,3/4 IN BIT SZ
Item # CSBDR50048
Mfr. Model # DR50048

EHC: EHC :

This reduced shank Silver and Deming drill bit has a three-inch long shank. It is a Prentice drill bit.

This reduced shank Silver and Deming drill bit has a three-inch long shank. It is a Prentice drill bit.

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SDS Document Not Found

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Web Price : $53.88 / EACH

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PRENTICE DRILL BIT, 15/16 IN, 1/2 IN SHANK

CLARKSON-OSBORN
PRENTICE DRILL BIT, 15/16 IN, 1/2 IN SHANK
Item # CSBDR50060
Mfr. Model # DR50060

EHC: EHC :

This reduced shank Silver and Deming drill bit has a three-inch long shank. It is a Prentice drill bit.

This reduced shank Silver and Deming drill bit has a three-inch long shank. It is a Prentice drill bit.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

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Web Price : $70.86 / EACH

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PRENTICE DRILL BIT, 57/64 IN, HYPER, 3 IN FLUTE

CLARKSON-OSBORN
PRENTICE DRILL BIT, 57/64 IN, HYPER, 3 IN FLUTE
Item # CSBZD50557
Mfr. Model # ZD50557

EHC: EHC :

This reduced shank Silver and Deming drill bit has a 118 Degrees drill bit point. Plus it has three-inch flutes, and a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a 118 Degrees drill bit point. Plus it has three-inch flutes, and a 118 Degrees drill point.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

This product must be purchased in quantities of 3 or more. Please update the quantity to proceed with checkout.

Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price : $38.34 / EACH

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PRENTICE DRILL BIT, 43/64 IN, HYPER, 3 IN FLUTE

CLARKSON-OSBORN
PRENTICE DRILL BIT, 43/64 IN, HYPER, 3 IN FLUTE
Item # CSBZD50043
Mfr. Model # ZD50043

EHC: EHC :

This reduced shank Silver and Deming drill bit has a 118 Degrees drill bit point. Plus it has three-inch flutes, and a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a 118 Degrees drill bit point. Plus it has three-inch flutes, and a 118 Degrees drill point.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

This product must be purchased in quantities of 4 or more. Please update the quantity to proceed with checkout.

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Web Price : $31.57 / EACH

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CLARKSON-OSBORN
REDUCED SHANK DRILL BIT
Item # CSBDR51040
Mfr. Model # DR51040

EHC: EHC :

This Prentice reduced shank Silver and Deming drill bit has a 135 Degrees drill bit point. Plus it has three-inch flutes, and is made of cobalt. This drill bit is size 5/8 inch.

This Prentice reduced shank Silver and Deming drill bit has a 135 Degrees drill bit point. Plus it has three-inch flutes, and is made of cobalt. This drill bit is size 5/8 inch.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.

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Web Price : $62.93 / EACH

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PRENTICE DRILL BIT, 19/32 IN, COBALT, 3 IN FLUTE

CLARKSON-OSBORN
PRENTICE DRILL BIT, 19/32 IN, COBALT, 3 IN FLUTE
Item # CSBDR51038
Mfr. Model # DR51038

EHC: EHC :

This Prentice reduced shank Silver and Deming drill bit has a 135 Degrees drill bit point. Plus it has three-inch flutes, and is made of cobalt. This drill bit is size 19/32 inch.

This Prentice reduced shank Silver and Deming drill bit has a 135 Degrees drill bit point. Plus it has three-inch flutes, and is made of cobalt. This drill bit is size 19/32 inch.

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SDS Document Not Found

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This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.

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Web Price : $59.17 / EACH

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PRENTICE DRILL BIT, 59/64 IN, COBALT, 3 IN FLUTE

CLARKSON-OSBORN
PRENTICE DRILL BIT, 59/64 IN, COBALT, 3 IN FLUTE
Item # CSBDR51059
Mfr. Model # DR51059

EHC: EHC :

This Prentice reduced shank Silver and Deming drill bit has a 135 Degrees drill bit point. Plus it has three-inch flutes, and is made of cobalt. This drill bit is size 59/64 inch.

This Prentice reduced shank Silver and Deming drill bit has a 135 Degrees drill bit point. Plus it has three-inch flutes, and is made of cobalt. This drill bit is size 59/64 inch.

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SDS Document Not Found

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Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price : $104.33 / EACH

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PRENTICE DRILL BIT, 25/32 IN BIT SIZE, 3 IN FLUTES, 6 IN LENGTH, 1/2 IN SHANK DIA

CLARKSON-OSBORN
PRENTICE DRILL BIT, 25/32 IN BIT SIZE, 3 IN FLUTES, 6 IN LENGTH, 1/2 IN SHANK DIA
Item # CSBDR50050
Mfr. Model # DR50050

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter shank. It has a six-inch length. Plus it has three-inch flutes, and a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a ½ inch diameter shank. It has a six-inch length. Plus it has three-inch flutes, and a 118 Degrees drill point.

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SDS Document Not Found

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This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.

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Web Price : $55.99 / EACH

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DRILL BIT, 18 MM, 118 ° , 150 MM OVERALL LENGTH, 75 MM SHANK

CLARKSON-OSBORN
DRILL BIT, 18 MM, 118 ° , 150 MM OVERALL LENGTH, 75 MM SHANK
Item # CSBDR50580
Mfr. Model # DR50580

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a 75 mm long shank. It has a 150mm length. Plus it has a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a ½ inch diameter along with a 75 mm long shank. It has a 150mm length. Plus it has a 118 Degrees drill point.

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SDS Document Not Found

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This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.

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Web Price : $69.87 / EACH

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CLARKSON-OSBORN
REDUCED SHANK DRILL BIT
Item # CSBDR50109
Mfr. Model # DR50109

EHC: EHC :

This reduced shank Silver and Deming drill bit has a three-inch long shank. It is a Prentice drill bit.

This reduced shank Silver and Deming drill bit has a three-inch long shank. It is a Prentice drill bit.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price : $123.79 / EACH

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PRENTICE DRILL BIT, 47/64 IN BIT SIZE, 3 IN FLUTES, 6 IN LENGTH, 1/2 IN SHANK DIA

CLARKSON-OSBORN
PRENTICE DRILL BIT, 47/64 IN BIT SIZE, 3 IN FLUTES, 6 IN LENGTH, 1/2 IN SHANK DIA
Item # CSBDR50047
Mfr. Model # DR50047

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter shank. It has a six-inch length. Plus it has three-inch flutes, and a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a ½ inch diameter shank. It has a six-inch length. Plus it has three-inch flutes, and a 118 Degrees drill point.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

This product must be purchased in quantities of 2 or more. Please update the quantity to proceed with checkout.

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Web Price : $57.38 / EACH

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3 IN FLUTES, 6 IN LENGTH, 1/2 IN SHANK DIAMETER

CLARKSON-OSBORN
3 IN FLUTES, 6 IN LENGTH, 1/2 IN SHANK DIAMETER
Item # CSBDR50132
Mfr. Model # DR50132

EHC: EHC :

This reduced shank Silver and Deming drill bit has a ½ inch diameter shank. It has a six-inch length. Plus it has three-inch flutes, and a 118 Degrees drill point.

This reduced shank Silver and Deming drill bit has a ½ inch diameter shank. It has a six-inch length. Plus it has three-inch flutes, and a 118 Degrees drill point.

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SDS Document Not Found

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CATALOGUE PAGE # N/A

Availability dates may vary based on the assortment of product in the cart and is not final until you complete your order. Check Availability:

Web Price : $237.21 / EACH

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