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| Premium Grade Bits for Stone and Lapidary |
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| A |
B |
C* |
D |
Nut |
Part # |
| 3/16" |
.10" |
2" |
.25" |
3/4" - 16 |
156507 |
| 1/4" |
.20" |
2" |
.25" |
3/4" - 16 |
156508 |
| 5/16" |
.25" |
2" |
.25" |
3/4" - 16 |
156509 |
| 3/8" |
.30" |
2" |
.25" |
3/4" - 16 |
156510 |
| 7/16" |
.35" |
2" |
.25" |
3/4" - 16 |
156511 |
| 1/2" |
.40" |
2" |
.25" |
3/4" - 16 |
156512 |
| 5/8" |
.50" |
2" |
.25" |
3/4" - 16 |
156513 |
| 3/4" |
.60" |
2' |
.25" |
3/4" - 16 |
156514 |
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| * Drilling depth: 1-3/4". |
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