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[W.L. Fuller, Inc.] [Products] [Counterbores] [Type "X"]
Type-X
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Designed to cut clean holes in wood and plastic. Can also be used with stop collars. Counterbores for the flat under the heads of nails, spikes, and bolts. Allowing them to be sunk far enough beneath the surface to allow for a wood plug to be used to cover the head. Can be set at any point on a twist drill and held fast with two hex-socket set screws. Designed for clean cutting. Made of Carbon Steel and heat-treated for long tool life. We have several types of Counterbores.

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Drill Charts
Steel Types

Designed to cut faster and deeper in hardwoods. Adaptable to high or low spindle speeds and hardened for long service.

Drills for Counterbores

Sets

Stop Collars are not recommended for type “X” counterbores

*Special Sizes - Quotation on Request*

Type “X” Stock Sizes

Type 'X'

Specifications

Stock Number

Cutting Dia.

Overall Length

Drill  Size

*X3L

5/8

1

3/16

X37L

5/8

1

7/32

X34L

5/8

1

1/4

X317L

5/8

1

17/64

X39L

5/8

1

9/32

X310L

5/8

1-1/8

5/16

X43L

3/4

1

3/16

X47L

3/4

1

7/32

*X4L

3/4

1

1/4

X49L

3/4

1

9/32

*X5L

3/4

1-1/8

5/16

X511L

3/4

1-1/8

11/32

X56L

3/4

1-1/4

3/8

X64L

7/8

1-1/8

1/4

X610L

7/8

1-1/8

5/16

*X6L

7/8

1-1/4

3/8

X67L

7/8

1-3/8

7/16

X68L

7/8

1-1/2

1/2

X74L

1

1-1/8

1/4

X75L

1

1-1/8

5/16

X76L

1

1-1/4

3/8

*X7L

1

1-3/8

7/16

X78L

1

1-1/2

1/2

X85L

1-1/8

1-1/8

5/16

X86L

1-1/8

1-1/4

3/8

X87L

1-1/8

1-3/8

7/16

*X8L

1-1/8

1-1/2

1/2

X89L

1-1/8

1-5/8

9/16

X96L

1-1/4

1-1/4

3/8

X97L

1-1/4

1-3/8

7/16

X98L

1-1/4

1-1/2

1/2

X9L

1-1/4

1-5/8

9/16

X910L

1-1/4

2

5/8

X912L

1-1/4

2-1/4

3/4

X106L

1-3/8

1-3/8

3/8

X107L

1-3/8

1-3/8

7/16

X108L

1-3/8

1-1/2

1/2

X109L

1-3/8

1-5/8

9/16

X10L

1-3/8

2

5/8

X1012L

1-3/8

2-1/4

3/4

X126L

1-1/2

1-1/2

3/8

X127L

1-1/2

1-1/2

7/16

X128L

1-1/2

1-1/2

1/2

X129L

1-1/2

1-5/8

9/16

X1210L

1-1/2

2

5/8

X12L

1-1/2

2-1/4

3/4

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