Bits, Spiral bits, Plastic cutting bits – Bosch PR20EVSK User Manual
Page 16: Router, Solid carbide double flute down spirals, Solid carbide double flute up spirals, Solid carbide double flute chipbreaker spirals, Solid carbide double flute straight bits, Solid carbide single flute o-flute bits
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Router
bits
Spiral Bits
A
D
C
B
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
A
D
C
B
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
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85908M
1/8"
1/2"
1/4"
2"
85909M
3/16"
3/4"
1/4"
2"
85910M
1/4"
3/4"
1/4"
2-1/2"
85911M
1/4"
1"
1/4"
2-1/2"
85912M
3/8"
1"
3/8"
2-1/2"
85913M
3/8"
1-1/4"
1/2"
3"
85914M
1/2"
1-1/4"
1/2"
3"
85917M
1/2"
1-5/8"
1/2"
3-1/2"
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85900M
1/8"
1/2"
1/4"
2"
85901M
3/16"
3/4"
1/4"
2"
85902M
1/4"
3/4"
1/4"
2-1/2"
85903M
1/4"
1"
1/4"
2-1/2"
85904M
3/8"
1"
3/8"
2-1/2"
85905M
3/8"
1-1/4"
1/2"
3"
85906M
1/2"
1-1/4"
1/2"
3"
85918M
1/2"
1-5/8"
1/2"
3-1/2"
A
D
C
B
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
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
Spiral
85907M
1/2"
1-1/8"
1/2"
3"
Down
85915M
1/2"
1-1/8"
1/2"
3"
Up
85919M
1/2"
1-5/8"
1/2"
3-1/2"
Up
85920M
1/2"
1-5/8"
1/2"
3-1/2"
Down
A
D
C
B
Solid Carbide Double Flute Straight Bits
Micrograin bits for general purpose routing of difficult-to-cut materials,
particularly when smaller diameters are required
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85983M
5/32"
7/16"
1/4"
2"
85985M
7/32"
3/4"
1/4"
2"
85986M
1/4"
3/4"
1/4"
2-1/2"
85987M
1/4"
1"
1/4"
2-1/2"
85988M
5/16"
1-1/8"
5/16"
3"
85989M
5/16"
1"
1/2"
1-7/64"
85990M
3/8"
1-1/8"
5/16"
3"
85991M
3/8"
1-1/4"
3/8"
3"
85992M
3/8"
1-1/4"
1/2"
3"
85993M
7/16"
1-1/8"
1/2"
3"
85994M
1/2"
1-1/8"
1/2"
3"
85995M
1/2"
1-5/8"
1/2"
3-1/2"
A
D
C
B
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.
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85996M
1/8"
1/2"
1/4"
2"
85997M
3/16"
5/8"
1/4"
2"
85998M
1/4"
3/4"
1/4"
2-1/2"
85999M
1/4"
1"
1/4"
2-1/2"
86002M
3/8"
1"
3/8"
2-1/2"
86005M
1/2"
1"
1/2"
3"
Plastic cutting Bits