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Aircraft Extension Bits

Aircraft Extension Bits

Diameter (Size A)	Decimal equivalent	Flute length (Size B)	Overall length (Size C)	As Low As	Domestic
1/8"	0.1250"	1-5/8"	6"	$2.10
3/16"	0.1875"	2-5/16"	6"	$2.67
3/16"	0.1875"	2-5/16"	12"	$6.40
1/4"	0.2500"	2-3/4"	6"	$3.99
1/4"	0.2500"	2-3/4"	12"	$7.20
5/16"	0.3125"	3-3/16"	6"	$6.78
5/16"	0.3125"	3-3/16"	12"	$9.60
3/8"	0.3750"	3-5/8"	6"	$9.58
3/8"	0.3750"	3-5/8"	12"	$11.49
7/16"	0.4375"	4-1/16"	6"	$13.05
7/16"	0.4375"	4-1/16"	12"	$12.78
1/2"	0.5000"	4-1/2"	6"	$15.96
1/2"	0.5000"	4-1/2"	12"	$17.60

1/8" x 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.1250"
Flute length (Size B): 1-5/8"
Overall length (Size C): 6"
As Low As: $2.10
Domestic:

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3/16" X 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.1875"
Flute length (Size B): 2-5/16"
Overall length (Size C): 6"
As Low As: $2.67
Domestic:

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3/16" x 12" Black Oxide Extension Drill Bit

Decimal equivalent: 0.1875"
Flute length (Size B): 2-5/16"
Overall length (Size C): 12"
As Low As: $6.40
Domestic:

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1/4" x 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.2500"
Flute length (Size B): 2-3/4"
Overall length (Size C): 6"
As Low As: $3.99
Domestic:

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1/4" x 12" Black Oxide Extension Drill Bit

Decimal equivalent: 0.2500"
Flute length (Size B): 2-3/4"
Overall length (Size C): 12"
As Low As: $7.20
Domestic:

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5/16" x 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.3125"
Flute length (Size B): 3-3/16"
Overall length (Size C): 6"
As Low As: $6.78
Domestic:

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5/16" X 12" Black Oxide Extension Drill Bit

Decimal equivalent: 0.3125"
Flute length (Size B): 3-3/16"
Overall length (Size C): 12"
As Low As: $9.60
Domestic:

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3/8" X 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.3750"
Flute length (Size B): 3-5/8"
Overall length (Size C): 6"
As Low As: $9.58
Domestic:

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3/8" X 12" Black Oxide Extension Drill Bit

Decimal equivalent: 0.3750"
Flute length (Size B): 3-5/8"
Overall length (Size C): 12"
As Low As: $11.49
Domestic:

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7/16" X 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.4375"
Flute length (Size B): 4-1/16"
Overall length (Size C): 6"
As Low As: $13.05
Domestic:

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7/16" X 12" Black Oxide Extension Drill Bit

Decimal equivalent: 0.4375"
Flute length (Size B): 4-1/16"
Overall length (Size C): 12"
As Low As: $12.78
Domestic:

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1/2" X 6" Black Oxide Extension Drill Bit

Decimal equivalent: 0.5000"
Flute length (Size B): 4-1/2"
Overall length (Size C): 6"
As Low As: $15.96
Domestic:

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1/2" X 12" Black Oxide Extension Drill Bit

Decimal equivalent: 0.5000"
Flute length (Size B): 4-1/2"
Overall length (Size C): 12"
As Low As: $17.60
Domestic:

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