Now In: Tools → Boring Bars → Co-Bore
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Made of premium cobalt high speed steel in a one piece construction, these boring bars may also be modified to a special grooving tool to produce various internal shapes and radii. Cobalt is an ideal tool material because of its high red-hardness, abrasive resistance and ability to maintain a sharp edge. In addition, cobalt is used successfully to significantly extend tool life.
PREMIUM COBALT BORING BAR AT HIGH SPEED PRICES!
| 3/8" SHANK |
Min.
Bore |
Bore
Depth |
Overall
Length |
EDP
No. |
| 3/16 |
9/16 |
1-13/16 |
312166 |
| 3/16 |
15/16 |
2-3/16 |
312167 |
| 1/4 |
3/4 |
2 |
312168 |
| 1/4 |
1-1/4 |
2-1/2 |
312169 |
| 5/16 |
15/16 |
2-3/16 |
312170 |
| 5/16 |
1-9/16 |
2-13/16 |
312171 |
| 3/8 |
1-1/8 |
2-3/8 |
312172 |
| 3/8 |
1-7/8 |
3-1/8 |
312173 |
| 5/8" SHANK |
Min.
Bore |
Bore
Depth |
Overall
Length |
EDP
No. |
| 3/8 |
|
|
312174 |
| 3/8 |
|
|
312175 |
| 7/16 |
|
|
312176 |
| 7/16 |
|
|
312177 |
| 1/2 |
|
|
312178 |
| 1/2 |
|
|
312179 |
| 9/16 |
|
|
312180 |
| 9/16 |
|
|
312181 |
| 5/8 |
|
|
312182 |
| 5/8 |
|
|
312183 |
| 1/2" SHANK |
Min.
Bore |
Bore
Depth |
Overall
Length |
EDP
No. |
| 1/4 |
|
|
312188 |
| 1/4 |
|
|
312189 |
| 5/16 |
|
|
312190 |
| 5/16 |
|
|
312191 |
| 3/8 |
|
|
312192 |
| 3/8 |
|
|
312193 |
| 7/16 |
|
|
312194 |
| 7/16 |
|
|
312195 |
| 1/2 |
|
|
312196 |
| 1/2 |
|
|
312197 |
| 3/4" SHANK |
Min.
Bore |
Bore
Depth |
Overall
Length |
EDP
No. |
| 3/8 |
|
|
312198 |
| 3/8 |
|
|
312199 |
| 7/16 |
|
|
312200 |
| 7/16 |
|
|
312201 |
| 1/2 |
|
|
312202 |
| 1/2 |
|
|
312203 |
| 9/16 |
|
|
312204 |
| 9/16 |
|
|
312205 |
| 5/8 |
|
|
312206 |
| 5/8 |
|
|
312207 |
| 11/16 |
|
|
312208 |
| 11/16 |
|
|
312209 |
| 3/4 |
|
|
312210 |
| 3/4 |
|
|
312211 |
| SETS |
| 3/8" SHANK |
Includes all 6 pieces shown at left.
Supplied in wood block
EDP No. — 312184 |
| 1/2" SHANK |
Includes all 10 pieces shown at right.
Supplied in wood block.
EDP No. — 312185 |
| 5/8" SHANK |
Includes all 10 pieces shown at left.
Supplied in wood block.
EDP No. — 312186 |
| 3/4" SHANK |
Includes all 14 pieces shown at right.
supplied in wood block.
EDP No. — 312187 |
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