These bits bores pilot holes for rabbeting, mortising and grooving. Ideal for pocket holes, partial arcs and end grain holes. Drills smooth sides without splintering grain. Includes wooden carrying case. For 16pc, blow moulded case is available. Titanium nitride runs cooler, cuts easier, and lasts longer than standard steel!
Metric System
British System
Art No.
D
d
d1
L
30401008
8
8
8
90
30401010
10
8
8
90
30401012
12
8
8
90
30401014
14
10
8
90
30401015
15
10
8
90
30401016
16
10
8
90
30401018
18
10
8
90
30401020
20
10
8
90
30401022
22
10
8
90
30401023
23
10
8
90
30401024
24
10
8
90
30401025
25
12
8
90
30401026
26
12
8
90
30401028
28
12
8
90
30401030
30
12
8
90
30401032
32
12
10
90
30401034
34
12
10
90
30401035
35
12
10
90
30401036
36
12
10
90
30401038
38
15
10
90
30401040
40
15
10
90
30401045
45
15
10
90
30401050
50
15
10
90
30401053
53
15
10
90
30401055
55
15
12.5
90
30401057
57
15
12.5
159
30401060
60
15
12.5
159
30401063
63
17.5
12.5
159
30401067
67
17.5
12.5
159
30401070
70
17.5
12.5
159
30401073
73
19
12.5
159
30401076
76
19
12.5
159
30401080
80
19
12.5
159
30401083
83
19
12.5
159
30401086
86
19
12.5
159
30401090
90
19
12.5
159
Art No.
D
d
d1
L
30402006
1/4"
7.5
9.5
80
30402009
3/8"
7.5
9.5
90
30402012
1/2"
8
9.5
90
30402016
5/8"
10
9.5
90
30402019
3/4"
10
9.5
90
30402022
7/8"
10
9.5
90
30402025
1"
12
9.5
90
30402029
1-1/8"
12
9.5
90
30402032
1-1/4"
12
9.5
90
30402035
1-3/8"
12
9.5
90
30402038
1-1/2"
15
9.5
90
30402041
1-5/8"
15
9.5
90
30402044
1-3/4"
15
9.5
90
30402048
1-7/8"
15
9.5
90
30402051
2"
15
9.5
90
30402054
2-1/8"
15
9.5
90
30402057
2-1/4"
15
12.7
159
30402060
2-3/8"
15
12.7
159
30402064
2-1/2"
17.5
12.7
159
30402067
2-5/8"
17.5
12.7
159
30402070
2-3/4"
17.5
12.7
159
30402073
2-7/8"
19
12.7
159
30402076
3"
19
12.7
159
30402079
3-1/8"
19
12.7
159
30402083
3-1/4"
19
12.7
159
30402086
3-3/8"
19
12.7
159
30402090
3-1/2"
19
12.7
159
Extension Bar for Forstner Bits
For use with 3/8" shank bits with drilling diameter over 3/4". Fits both hex and round shanks.
Forstner Bits 
