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Spiral Bits
Solid Carbide Double Flute Up Spirals
For use when material needs to be pulled in an upward motion toward the router
motor, improving chip removal. Excellent when dust collection is required.
Industrial / CNC bit for high duty cycle applications
D
B
C
A
A.
B.
Overall
Cutting
Item #
Diameter
Edge Length
85908M
1/8"
1/2"
85909M
3/16"
3/4"
85910M
1/4"
3/4"
85911M
1/4"
1"
85912M
3/8"
1"
85913M
3/8"
1-1/4"
85914M
1/2"
1-1/4"
85917M
1/2"
1-5/8"
Solid Carbide Double Flute Down Spirals
For use when material needs to be pushed away from the router motor.
Excellent bits for templet cutting when downward pressure is advantageous.
Industrial / CNC bit for high duty cycle applications
D
B
C
A
A.
B.
Overall
Cutting
Item #
Diameter
Edge Length
85900M
1/8"
1/2"
85901M
3/16"
3/4"
85902M
1/4"
3/4"
85903M
1/4"
1"
85904M
3/8"
1"
85905M
3/8"
1-1/4"
85906M
1/2"
1-1/4"
85918M
1/2"
1-5/8"
120
Boschtools.com
bits
Ro u ter
C.
D.
Shank
Overall
Diameter
Length
1/4"
2"
1/4"
2"
1/4"
2-1/2"
1/4"
2-1/2"
3/8"
2-1/2"
1/2"
3"
1/2"
3"
1/2"
3-1/2"
C.
D.
Shank
Overall
Diameter
Length
1/4"
2"
1/4"
2"
1/4"
2-1/2"
1/4"
2-1/2"
3/8"
2-1/2"
1/2"
3"
1/2"
3"
1/2"
3-1/2"
Toll Free: 877-BOSCH-99
Plastic cutting Bits
Solid Carbide Double Flute Chipbreaker Spirals
Appropriate for use when faster feed rates and chip removal are desired.
Available in up or down spirals to suit all applications.
Industrial / CNC bit for high duty cycle applications
D
B
C
A
A.
B.
Overall
Cutting
Item #
Diameter
Edge Length
85907M
1/2"
1-1/8"
85915M
1/2"
1-1/8"
85919M
1/2"
1-5/8"
85920M
1/2"
1-5/8"
Solid Carbide Double Flute Straight Bits
Micrograin bits for general purpose routing of difficult-to-cut materials,
particularly when smaller diameters are required
D
B
C
A
A.
B.
Overall
Cutting
Item #
Diameter
Edge Length
85983M
5/32"
7/16"
85985M
7/32"
3/4"
85986M
1/4"
3/4"
85987M
1/4"
1"
85988M
5/16"
1-1/8"
85989M
5/16"
1"
85990M
3/8"
1-1/8"
85991M
3/8"
1-1/4"
85992M
3/8"
1-1/4"
85993M
7/16"
1-1/8"
85994M
1/2"
1-1/8"
85995M
1/2"
1-5/8"
Solid Carbide Single Flute O-flute Bits
Micrograin bits for fast plastic cutting at high speeds. Ideal for soft plastics
such as ABS, polycarbonate, polyethylene and PVC. The single flute design
allows for a faster feed rate.
D
B
A
C
A.
B.
Overall
Cutting
Item #
Diameter
Edge Length
85996M
1/8"
1/2"
85997M
3/16"
5/8"
85998M
1/4"
3/4"
85999M
1/4"
1"
86002M
3/8"
1"
86005M
1/2"
1"
C.
D.
Shank
Overall
Diameter
Length
Spiral
1/2"
3"
Down
1/2"
3"
Up
1/2"
3-1/2"
Up
1/2"
3-1/2"
Down
C.
D.
Shank
Overall
Diameter
Length
1/4"
2"
1/4"
2"
1/4"
2-1/2"
1/4"
2-1/2"
5/16"
3"
1/2"
1-7/64"
5/16"
3"
3/8"
3"
1/2"
3"
1/2"
3"
1/2"
3"
1/2"
3-1/2"
C.
D.
Shank
Overall
Diameter
Length
1/4"
2"
1/4"
2"
1/4"
2-1/2"
1/4"
2-1/2"
3/8"
2-1/2"
1/2"
3"
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