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Criterion has available a number of Boring Head Sets specifically selected for Bridgeport Mills. These sets include a standard Criterion Boring Head with an R-8 shank and a wide range of boring tools and boring bars. The boring tools are available in either high speed steel or a C-2 or C-6 grade of carbide.

 

 

1200aset.jpg (933888 bytes) SET NO. 1100A
This set covers a boring range of 1/8 to 8-5/8 inches and consists of one of each of the following items:
DBL-202 Boring Head SBT-250B Boring Tool 
R-8 Shank SBT-312B Boring Tool
SBT-125B Boring Tool SBT-375B Boring Tool
SBT-187B Boring Tool SBT-500B Boring Tool
Set No. 1100 has grade C-6 carbide. For grade C-2, order Set No. 1102A
SET NO. 1200A
Same as Set. No. 1100 -- Except has HSS Tools

 

 

1300aset.jpg (968704 bytes) SET NO. 1300A
This set covers a boring range of 1/2 to 11 inches and consists of one of each of the following items:
DBL-203 Boring Head SBT-750D Boring Tool
R-8 Shank SBT-1000D Boring Tool
SBT-500D Boring Tool SBT-1250D Boring Tool
SBT-625D Boring Tool
Set No. 1300 has grade C-6 carbide. For grade C-2, order Set No. 1302A
SET NO. 1400A
Same as Set No. 1300A -- except has HSS Tools

 

 

1500set2.jpg (946176 bytes) SET NO. 1500A
This set covers a boring range of 1/8 to 11 inches and consists of one of each of the following items:
DBL-203 Boring Head SBT-625D Boring Tool
R-8 Shank SBT-500B Boring Tool
SBT-125B Boring Tool SBT-750D Boring Tool
SBT-187B Boring Tool SBT-1000D Boring Tool
SBT-250B Boring Tool SBT-1250D Boring Tool
SBT-312B Boring Tool 4834 1/2" to 3/4" Adapter
SBT-375B Boring Tool
Set No. 1500 has grade C-6 carbide. For grade C-2, order Set No. 1502A.
SET NO. 1600A
Same as Set No. 1500 -- Except has HSS Tools



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SET NO. 1110-TX new4w_ss.gif (3540 bytes)
This set covers a boring range of 1/4" to 3" and consists of one of each of the following items:
DBL-202B Boring Head TA-375BTX Boring Tool
R-8 Shank TA-437BTX Boring Tool
TA-250BTX Boring Tool TA-500BTX Boring Tool
TA-312BTX Boring Tool
All bars will come with .015 radius C-6 TiN coated inserts.


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SET NO. 1310-TX new4w_ss.gif (3540 bytes)
This set covers a boring range of 1/2" to 5-1/8" and consists of one of each of the following items:
DBL-203D Boring Head TA-750DTX Boring Tool
R-8 Shank TA-1000DTX Boring Tool
TA-500DTX Boring Tool TA-1250DTX Boring Tool
All bars will come with .015 radius C-6 TiN coated inserts.


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SET NO. 1510-TX new4w_ss.gif (3540 bytes)
This set covers a boring range of 1/4" to 5-1/8" and consists of one of each of the following items:
DBL-203D Boring Head TA-500BTX Boring Tool
R-8 Shank TA-750BTX Boring Tool
TA-250BTX Boring Tool TA-1000DTX Boring Tool
TA-312BTX Boring Tool TA-1250DTX Boring Tool
TA-375BTX Boring Tool 4838 Adapter (1/2" to 3/4")
TA-437BTX Boring Tool
All bars will come with .015 radius C-6 TiN coated inserts.