Express Cutting Tools Inc.

Phone:  815-964-0410        Fax:  815-964-3909

5/16" Center-Ground Boring Bars
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5/16" Center Ground Boring Bar

Shank Diameter +.000-.0005"
Minimum Bore Diameter +.000-.005"
Maximum Bore Depth +.050-.000"
Overall Length ±1/16"
Clearance Angles 8-10°

**** Customer Designed/Specialty Tooling available by Request ****

Shank Diameter Overall Length Order Number Minimum Bore Diameter Maximum Bore Depth  Price Each
5/16" 2 1/2"
BBC230500
BBC230625
BBC230750
BBC230875
BBC2301000
BBC2301125
BBC2301250
BBC2301375
BBC2301500
BBC2301625
.230
.230
.230
.230
.230
.230
.230
.230
.230
.230
.500
.625
.750
.875
1.000
1.125
1.250
1.375
1.500
1.625
$21.50
BBC250500
BBC250625
BBC250750
BBC250875
BBC2501000
BBC2501125
BBC2501250
BBC2501375
BBC2501500
BBC2501625
BBC2501750

.250
.250
.250
.250
.250
.250
.250
.250
.250
.250
.250
.500
.625
.750
.875
1.000
1.125
1.250
1.375
1.500
1.625
1.750
 

Boring Bars:

Center Ground:  1/8"   3/16"    1/4"    5/16"    3/8"    1/2"   

Offset:             1/8"   3/16"    1/4"    5/16"    3/8"    1/2"  

Miniature:         1/8"