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High-Speed Steel Extended-Length Drill Bits
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135 Degrees 135 Degrees (38)

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10 in 10 in (5)
12 in 12 in (23)
15 in 15 in (2)
6 in 6 in (24)
8 in 8 in (3)

High-Speed Steel Extended-Length Drill Bits

High-speed steel extended-length drill bits provide more flexibility and absorb more shock and vibration than cobalt and carbide extended-length drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. These extended-length drill bits have longer flutes and more overall length than standard jobber-length drill bits of the same size, and they have longer shanks than taper-length drill bits. Their extra length allows them to create deep holes or drill into hard-to-reach workpieces.

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DRILL BIT, AIRCRAFT EXTENSION, 6 IN L, 1/16 IN DIA

CLARKSON-OSBORN
DRILL BIT, AIRCRAFT EXTENSION, 6 IN L, 1/16 IN DIA
Item # CSBDR64004
Mfr. Model # DR64004

EHC: EHC :

This aircraft extension drill bit is six inches long and has a diameter of 1/16 inches.

This aircraft extension drill bit is six inches long and has a diameter of 1/16 inches.

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Web Price : $13.84 / EACH

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EXTENSION DRILL BIT, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, HIGH SPEED STEEL

CLARKSON-OSBORN
EXTENSION DRILL BIT, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, HIGH SPEED STEEL
Item # CSBDR65019
Mfr. Model # DR65019

EHC: EHC :

This high speed steel extension drill bit has a 19/64 inch diameter shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has spiral flutes, and a 135 Degrees drill point.

This high speed steel extension drill bit has a 19/64 inch diameter shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has spiral flutes, and a 135 Degrees drill point.

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Web Price : $42.13 / EACH

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DRILL BIT, #40, AIRCRAFT EXTENSION, 1 3/8 IN FLUTE L, 6 IN OVERALL L, 0.098 IN DIA

CLARKSON-OSBORN
DRILL BIT, #40, AIRCRAFT EXTENSION, 1 3/8 IN FLUTE L, 6 IN OVERALL L, 0.098 IN DIA
Item # CSBDR64240
Mfr. Model # DR64240

EHC: EHC :

This number 40 aircraft extension drill bit has a flute length of 1 3/8 inches, an overall length of six inches, and a diameter of 0.098 inches.

This number 40 aircraft extension drill bit has a flute length of 1 3/8 inches, an overall length of six inches, and a diameter of 0.098 inches.

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Web Price : $5.90 / EACH

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DRILL EXTENSION, RIGHT HAND, 135 ° , HIGH SPEED STEEL, 6 IN OVERALL LENGTH, 4.25 IN SHANK

CLARKSON-OSBORN
DRILL EXTENSION, RIGHT HAND, 135 ° , HIGH SPEED STEEL, 6 IN OVERALL LENGTH, 4.25 IN SHANK
Item # CSBDR64229
Mfr. Model # DR64229

EHC: EHC :

This drill extension is made of high speed steel and has a 0.136 inch diameter, 4¼ inch long shank. This drill extension has a 135 Degrees drill bit point, with a six-inch length. Plus it has 1¾ inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

This drill extension is made of high speed steel and has a 0.136 inch diameter, 4¼ inch long shank. This drill extension has a 135 Degrees drill bit point, with a six-inch length. Plus it has 1¾ inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

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Web Price : $8.05 / EACH

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DRILL BIT, AIRCRAFT EXTENSION, 1 5/8 IN FLUTE L, 6 IN OVERALL L, 1/8 IN DIA

CLARKSON-OSBORN
DRILL BIT, AIRCRAFT EXTENSION, 1 5/8 IN FLUTE L, 6 IN OVERALL L, 1/8 IN DIA
Item # CSBDR64008
Mfr. Model # DR64008

EHC: EHC :

This aircraft extension drill bit has a flute length of 1 5/8 inches, an overall length of six inches, and a diameter of 1/8 inches.

This aircraft extension drill bit has a flute length of 1 5/8 inches, an overall length of six inches, and a diameter of 1/8 inches.

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Web Price : $5.89 / EACH

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DRILL BIT, #20, AIRCRAFT EXTENSION, 2 1/8 IN FLUTE L, 6 IN OVERALL L, 0.161 IN DIA

CLARKSON-OSBORN
DRILL BIT, #20, AIRCRAFT EXTENSION, 2 1/8 IN FLUTE L, 6 IN OVERALL L, 0.161 IN DIA
Item # CSBDR64220
Mfr. Model # DR64220

EHC: EHC :

This number 20 aircraft extension drill bit has a flute length of 2 1/8 inches, an overall length of six inches, and a diameter of 0.161 inches.

This number 20 aircraft extension drill bit has a flute length of 2 1/8 inches, an overall length of six inches, and a diameter of 0.161 inches.

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Web Price : $8.05 / EACH

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DRILL EXTENSION, RIGHT HAND, 135 ° , HIGH SPEED STEEL, 6 IN OVERALL LENGTH

CLARKSON-OSBORN
DRILL EXTENSION, RIGHT HAND, 135 ° , HIGH SPEED STEEL, 6 IN OVERALL LENGTH
Item # CSBDR64208
Mfr. Model # DR64208

EHC: EHC :

This drill extension is made of high speed steel and has a 0.199 inch diameter shank. This drill extension has a 135 Degrees drill bit point, with a six-inch length. Plus it has 2 7/16 inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

This drill extension is made of high speed steel and has a 0.199 inch diameter shank. This drill extension has a 135 Degrees drill bit point, with a six-inch length. Plus it has 2 7/16 inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

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Web Price : $10.40 / EACH

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DRILL BIT, AIRCRAFT, STEAM OXIDE, #30, FRACTIONAL INCH, HIGH SPEED STEEL

CLARKSON-OSBORN
DRILL BIT, AIRCRAFT, STEAM OXIDE, #30, FRACTIONAL INCH, HIGH SPEED STEEL
Item # CSBDR64230
Mfr. Model # DR64230

EHC: EHC :

This extended-length drill bit is made of high speed steel. This long aircraft drill bit has a steam oxide finish, and has fractional inch measurements. Plus it has 1⅝ inch flutes.

This extended-length drill bit is made of high speed steel. This long aircraft drill bit has a steam oxide finish, and has fractional inch measurements. Plus it has 1⅝ inch flutes.

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Web Price : $6.65 / EACH

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EXTENSION DRILL BIT, RIGHT HAND, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, HSS

CLARKSON-OSBORN
EXTENSION DRILL BIT, RIGHT HAND, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, HSS
Item # CSBDR65008
Mfr. Model # DR65008

EHC: EHC :

This high speed steel extension drill bit has a ⅛ inch diameter shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has 1⅝ inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

This high speed steel extension drill bit has a ⅛ inch diameter shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has 1⅝ inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

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Web Price : $18.21 / EACH

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EXTENSION DRILL BIT, RH, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, 9.875 IN SHANK, HSS

CLARKSON-OSBORN
EXTENSION DRILL BIT, RH, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, 9.875 IN SHANK, HSS
Item # CSBDR65220
Mfr. Model # DR65220

EHC: EHC :

This high speed steel extension drill bit has a 0.161 inch diameter, 9⅞ inch long shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has 2⅛ inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

This high speed steel extension drill bit has a 0.161 inch diameter, 9⅞ inch long shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has 2⅛ inch spiral flutes, a right hand cutting direction, and a 135 Degrees drill point.

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Web Price : $21.04 / EACH

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DRILL BIT, #47, AIRCRAFT EXTENSION, 1 IN FLUTE L, 6 IN OVERALL L, 0.0785 IN DIA

CLARKSON-OSBORN
DRILL BIT, #47, AIRCRAFT EXTENSION, 1 IN FLUTE L, 6 IN OVERALL L, 0.0785 IN DIA
Item # CSBDR64247
Mfr. Model # DR64247

EHC: EHC :

This number 47 aircraft extension drill bit has a flute length of one inch, an overall length of six inches, and a diameter of 0.0785 inches.

This number 47 aircraft extension drill bit has a flute length of one inch, an overall length of six inches, and a diameter of 0.0785 inches.

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Web Price : $7.94 / EACH

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EXTENSION DRILL BIT, STEAM OXIDE, #50, 135 ° , 12 IN LENGTH, 11 IN SHANK, HSS

CLARKSON-OSBORN
EXTENSION DRILL BIT, STEAM OXIDE, #50, 135 ° , 12 IN LENGTH, 11 IN SHANK, HSS
Item # CSBDR65250
Mfr. Model # DR65250

EHC: EHC :

This high speed steel extension drill bit has a 1one-inch long shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has spiral flutes, and a 135 Degrees drill point.

This high speed steel extension drill bit has a 1one-inch long shank. This extension drill bit has a steam oxide finish. It has a 12 inch length. Plus it has spiral flutes, and a 135 Degrees drill point.

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Web Price : $26.71 / EACH

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DRILL BIT, #43, AIRCRAFT EXTENSION, 1 1/4 IN FLUTE L, 6 IN OVERALL L, 0.089 IN DIA

CLARKSON-OSBORN
DRILL BIT, #43, AIRCRAFT EXTENSION, 1 1/4 IN FLUTE L, 6 IN OVERALL L, 0.089 IN DIA
Item # CSBDR64243
Mfr. Model # DR64243

EHC: EHC :

This number 43 aircraft extension drill bit has a flute length of 1 1/4 inches, an overall length of six inches, and a diameter of 0.089 inches.

This number 43 aircraft extension drill bit has a flute length of 1 1/4 inches, an overall length of six inches, and a diameter of 0.089 inches.

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Web Price : $7.94 / EACH

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CLARKSON-OSBORN
ANNLR CUTTER
Item # CSBDR65004
Mfr. Model # DR65004

EHC: EHC :

This extended-length drill bit is made of high speed steel. This long aircraft drill bit has fractional inch measurements. Plus it has ⅞ inch flutes.

This extended-length drill bit is made of high speed steel. This long aircraft drill bit has fractional inch measurements. Plus it has ⅞ inch flutes.

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SDS Document Not Found

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Web Price : $23.25 / EACH

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DRILL BIT, 1/4 IN, HIGH SPEED STEEL, 9.25 IN SHANK, FRACTIONAL INCH

CLARKSON-OSBORN
DRILL BIT, 1/4 IN, HIGH SPEED STEEL, 9.25 IN SHANK, FRACTIONAL INCH
Item # CSBDR65016
Mfr. Model # DR65016

EHC: EHC :

This extended-length drill bit is made of high speed steel and has a ¼ inch diameter, 9¼ inch long shank. This long aircraft drill bit has fractional inch measurements.

This extended-length drill bit is made of high speed steel and has a ¼ inch diameter, 9¼ inch long shank. This long aircraft drill bit has fractional inch measurements.

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Web Price : $29.12 / EACH

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CLARKSON-OSBORN
EXTENSION DRILL BIT, STEAM OXIDE, 135 ° , 12 IN OVERALL LENGTH, HIGH SPEED STEEL
Item # CSBDR65011
Mfr. Model # DR65011

EHC: EHC :

This high speed steel extension drill bit has a steam oxide finish. It has a 12 inch length, plus it has 2⅛ inch spiral flutes, and a 135 Degrees drill point.

This high speed steel extension drill bit has a steam oxide finish. It has a 12 inch length, plus it has 2⅛ inch spiral flutes, and a 135 Degrees drill point.

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Web Price : $20.35 / EACH

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