Bits, Straight/mortising bits spiral bits spiral bits, Router – Bosch PR20EVSK User Manual
Page 14: Solid carbide single flute compression spirals, High speed steel single flute straight bits, Staggertooth bits, Solid carbide double flute upcut spirals

118
Boschtools.com
Toll Free: 877-BOSCH-99
Router
bits
B
D
C
A
High Speed Steel Single Flute Straight Bits
Designed for roughing operations where high production feed rates are
essential. Optimum chip clearance and specially designed tip allows for
fast plunge cutting.
A
D
C
B
Solid Carbide Single Flute Compression Spirals
Bits feature open flutes with single edges for the most efficient chip-ejection
at faster speeds.
A
D
C
B
Staggertooth Bits
Micrograin bits with staggered cutting flutes give 2-flute balance with single
flute chip clearance for fast plunge cutting.
Straight/Mortising Bits
Spiral Bits
Spiral Bits
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
Quantity
85091
1/16"
1/8"
1/4"
1-3/8"
1
85092
1/8"
5/16"
1/4"
1-1/2"
1
85152
1/8"
5/8"
1/4"
1-31/32"
1
85152B100*
1/8"
5/8"
1/4"
1-31/32"
100
85094
3/16"
7/16"
1/4"
1-17/32"
1
85153
3/16"
3/4"
1/4"
2-1/32"
1
85153B100*
3/16"
3/4"
1/4"
2-1/32"
100
85093
5/32"
1/2"
1/4"
2"
1
85154
1/4"
1"
1/4"
2-1/4"
1
* Bulk item.
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85291M
3/8"
1-3/8"
3/8"
3"
85201M
3/8"
1-1/2"
1/2"
3-1/8"
85292M
1/2"
1-1/2"
1/2"
3-1/8"
85278M
1/2"
2-1/4"
1/2"
4-1/2"
85202M
1/2"
1-1/2"
1/2"
3-1/8"
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
86018M
3/8"
7/8"
3/8"
3"
86019M
1/2"
1-1/4"
1/2"
3"
86020M
1/2"
1-5/8"
1/2"
3-1/2"
A
D
C
B
Solid Carbide Double Flute Compression
Up/Down Spirals
Ideal for general use with difficult-to-route materials. Specific bits router
rigid hard plastics, double-sided plywood and melamine.
D
C
B
A
Solid Carbide Double Flute Upcut Spirals
Bits work best on difficult-to-route materials under reduced spindle speeds
or horsepower. The upcut yields superior chip removal and smooth finishes.
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
86026M
1/4"
7/8"
1/4"
2-1/2"
86022M
3/8"
1-1/4"
3/8"
3"
86023M
1/2"
1-1/4"
1/2"
3"
86024M
1/2"
1-1/2"
1/2"
3-1/2"
86025M
1/2"
1-5/8"
1/2"
3-1/2"
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85923M
5/32"
5/8"
1/4"
2-1/2"
85924M
7/32"
1"
1/4"
2-1/2"
85925M
1/4"
1"
1/4"
2-1/2"
85926M
5/16"
1"
5/16"
2-1/2"
85927M
5/16"
1"
1/2"
3"
85928M
3/8"
1"
3/8"
2-1/2"
85929M
3/8"
1-1/4"
3/8"
3"
85932M
7/16"
1-1/4"
1/2"
3"
85933M
1/2"
1-1/4"
1/2"
3"
85935M
5/8"
1-5/8"
5/8"
3-1/2"
85936M
5/8"
2"
5/8"
4"
85937M
3/4"
1-5/8"
3/4"
4"