Express Cutting Tools Inc.

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

5/16" Off-Set Boring Bars
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5/16" Boring Bar

Shank Diameter +.000-.0005"
Minimum Bore Diameter +.000-.005"
Maximum Bore Depth +.050-.000"
Overall Length ￿1/16"
Clearance Angles 8-10￿
Neck Diameter 25% of Min. Bore Diameter +.010

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

Shank DiameterOverall LengthOrder NumberMinimum Bore DiameterMaximum Bore Depth Price Each
5/16"2 1/2"
BB230400
BB230500
BB230600
BB230700
BB230800
BB230900
BB2301000
BB2301150
BB2301200
BB2301250
BB2301400
BB2301500
BB2301600
.230
.230
.230
.230
.230
.230
.230
.230
.230
.230
.230
.230
.230
.400
.500
.600
.700
.800
.900
1.000
1.150
1.200
1.250
1.400
1.500
1.600
$38.00
BB290500
BB290600
BB290750
BB290900
BB2901000
BB2901100
BB2901250
BB2901350
BB2901500
BB2901600
BB2901700

.290
.290
.290
.290
.290
.290
.290
.290
.290
.290
.290
.500
.600
.750
.900
1.000
1.100
1.250
1.350
1.500
1.600
1.700
 

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"