Bits, Router, Straight/mortising bits – Bosch PR20EVSK User Manual
Page 13: Carbide tipped double flute straight bits, High speed steel double flute straight bits, Carbide tipped single flute straight bits

117
Toll Free: 877-BOSCH-99
Boschtools.com
Carbide Tipped Double Flute Straight Bits
Micrograin bits designed to give excellent smoothness of cut and balanced
cutting with minimal vibration. Positive hook angles cut efficiently while
specially designed tips provide fast plunge cutting. Strong webbing and heavy
cutter backing extend bit life.
B
A
C
D
Straight/Mortising Bits
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85221M
1/4"
3/4"
1/4"
2"
85250M
1/4"
7/8"
1/4"
2-1/8"
85460M*
1/4"
3/4"
1/2"
2-1/2"
85613M*
1/4"
1"
1/4"
2-1/4"
85459M*
1/4"
1"
1/4"
2-7/8"
85223M
9/32"
1"
1/4"
2-1/4"
85274M
5/16"
3/4"
1/2"
2-1/2"
85224M
5/16"
1"
1/4"
2-1/4"
85253M
5/16"
1"
1/2"
2-3/4"
85277M
3/8"
3/4"
1/2"
2-1/2"
85225M
3/8"
1"
1/4"
2-1/4"
85241M
3/8"
1"
1/2"
2-3/4"
85276M
3/8"
1"
3/8"
2-1/2"
84207M
3/8"
1-1/4"
1/2"
2"
85228M
3/8"
1-1/4"
3/8"
3-3/8"
85254M
13/32"
3/4"
1/2"
2-1/2"
85226M
7/16"
1"
1/4"
2-1/8"
85255M
7/16"
1-1/4"
1/2"
3"
85227M
1/2"
1"
1/4"
2-1/8"
85427M
1/2"
1"
1/2"
2-5/8"
84209M
1/2"
1"
3/8"
2-1/2"
84210M
1/2"
1-1/4"
1/2"
2-7/8"
85242M
1/2"
1-1/2"
1/2"
3-1/8"
85256M
1/2"
1-1/2"
1/2"
4-1/4"
85251M
1/2"
2"
1/2"
4-1/4"
85252M
1/2"
2-1/2"
1/2"
4-1/2"
85257M
17/32"
1-1/4"
1/2"
2-7/8"
85258M
9/16"
1-1/4"
1/2"
2-7/8"
85229M
9/16"
3/4"
1/4"
2-1/8"
85230M
5/8"
3/4"
1/4"
2"
85231M
5/8"
3/4"
1/4"
2"
85454M
5/8"
1-1/4"
1/2"
2-7/8"
85455M
5/8"
2"
1/2"
3-3/4"
85259M
21/32"
1-1/4"
1/2"
2-7/8"
85260M
11/16"
1-1/4"
1/2"
2-7/8"
85232M
3/4"
3/4"
1/4"
2"
85265M
3/4"
1-1/4"
1/2"
2-7/8"
85222M
3/4"
2"
3/4"
4"
82086M
3/4"
1-1/2"
1/2"
3-1/8"
85272M
3/4"
2"
1/2"
3-5/8"
82085M
3/4"
2-1/2"
3/4"
4-1/2"
85273M
25/32"
1-1/4"
1/2"
2-7/8"
85262M
13/16"
3/4"
1/4"
2"
85457M
13/16"
1-1/4"
1/2"
2-7/8"
85458M
7/8"
1-1/4"
1/2"
2-7/8"
85243M
1"
1-1/4"
1/2"
2-7/8"
85235M
1-1/16"
1-1/4"
1/2"
2-7/8"
85465M
1-1/8"
1-1/4"
1/2"
2-7/8"
85466M
1-1/4"
1-1/4"
1/2"
2-7/8"
85469M
1-1/2"
1-1/4"
1/2"
2-7/8"
* Not guaranteed against breakage due to extreme length.
High Speed Steel Double Flute Straight Bits
Provide smooth and balanced cutting with minimal vibration. Positive hook
angles cut efficiently while specially designed tips provide fast plunge cutting.
Strong webbing and heavy cutter backing extend bit life.
B
D
C
A
B
D
C
A
Carbide Tipped Single Flute Straight Bits
Micrograin bits designed for roughing operations where high production feed
rates are essential. Optimum chip clearance and specially designed tip allows
for fast plunge cutting.
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85096
1/4"
3/4"
1/4"
2"
85180
1/4"
1-1/8"
1/4"
2-3/8"
85097
5/16"
3/4"
1/4"
2"
85181
5/16"
1-1/8"
1/4"
2-3/8"
85098
3/8"
7/8"
1/4"
2-1/16"
85100
1/2"
7/8"
1/4"
2-1/4"
85140
1/2"
1-1/8"
1/2"
2-9/16"
85182
1/2"
2"
1/2"
4"
85102
5/8"
5/8"
1/4"
1-5/8"
85104
3/4"
5/8"
1/4"
1-5/8"
Item #
A.
Overall
Diameter
B.
Cutting
Edge Length
C.
Shank
Diameter
D.
Overall
Length
85279M
3/16"
7/16"
1/4"
2"
84206M
1/4"
3/4"
1/4"
2"
85404M
1/4"
3/4"
1/2"
2-1/2"
85410M
1/4"
1"
1/4"
2-1/4"
85412M
9/32"
3/4"
1/4"
2-1/4"
85411M
5/16"
1"
1/4"
2-1/4"
85263M
3/8"
1"
3/8"
2-1/2"
85419M
3/8"
1-1/4"
3/8"
2-7/8"
85409M
3/8"
1"
1/2"
2-3/4"
85425M
1/2"
3/4"
1/2"
2-3/8"
85426M
1/2"
1-1/4"
1/2"
2-7/8"
85402M
1/2"
1-1/2"
1/2"
2-1/8"
85264M
1/2"
2"
1/2"
4-1/4"
Router
bits