Type X Counterbores
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Type X Four flute counterbores are designed to cut faster and deeper in hardwoods than Fuller B counterbores. Adaptable to suit high or low speed spindles and hardened for long service. Cuts a smooth deep hole fast and stays sharp longer. Stop collars not recommended as these counterbores were designed for deep cutting applications.
| Type X Stock Number | Cutting Diameter | 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 |
| X56LK | 3/4 | 1-1/4 | 3/8 |
| X64L | 7/8 | 1-1/8 | 1/4 |
| X610L | 7/8 | 1-1/2 | 1/2 |
| 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 |
Cutting tools may shatter when broken. The wearing of eye protection is strongly advised in the vicinity of their use.
Reviews for Type X Counterbores
March 5, 2020
Verified Purchase
Works well though the spurs are longer than I would like. The flat counterbore has a good deal of wood removed around it making the purchase somewhat weak. But well made and can be modified.
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March 30, 2018
will reorder as needed
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April 11, 2016
Verified Purchase
We manufacture Apple Cider Presses in quantity. Our drills and bits are used daily and these from Jamestown are very good quality.
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October 11, 2015
Verified Purchase
It worked well for about 7 holes, after that, it would hardly cut in even with great pressure. I was boring holes in western red cedar. For the price, i was hoping it would hold an edge much longer
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May 18, 2012
The counterbore was received in a timely manner and in great condition. It fits over the drill bit just a expected and has already drilled many holes just since yesterday.
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May 5, 2012
Exactly what I needed to drill a 1/4 inch hole with a 1 inch by 1 inch deep counterbore
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