Page 115 - Roberston & Sinclair Catalogue
P. 115

  Shank Type Tools
                 Groove Forming Bits
  HOOK SLOT BITS
This bit will quickly drill and slot a convenient screw, nail
or hook slot in the back of a picture frame, hanging
CARBIDE TIPPED - SINGLE FLUTE
SUFFIX 1/2 = 1/2” SHANK, OTHERWISE 1/4”
C
B2 B1
A1 A2
T-SLOT CUTTERS
These bits allow you to make horizontal T-slots when used in hanging brackets, or creating wall display units, slatwall, etc.
CARBIDE TIPPED A1 - TWO FLUTES A2 - SINGLE FLUTE
12.7mm (1/2”) SHANK
                    shield, etc.
                                                   PART No.
A1
A2
B1
B2
C
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
CARTHS 12
.355
9
3/16
4.8
1/8
3.2
3/8
9.5
1-5/8
41
CARTHS 16
1/2
12.7
5/16
8
1/8
3.2
1/2
12.7
1-3/4
44.4
CARTHS 16 1/2
1/2
12.7
5/16
8
1/8
3.2
1/2
12.7
2-5/8
67
       PART No.
  CARTSA 28 1/2
CARTSA 30 1/2
CARTSA 30.6 1/2
in.
1-7/64
1-3/16
1-13/64
A1
mm
28
30
30.6
in.
25/64
25/64
27/64
A2
mm
10
10
10.6
in.
57/64
57/64
45/64
B1
mm
22.7
22.7
18
in.
25/64
25/64
25/64
B2
mm
10
10
10
in.
3-3/32
3-3/32
3-3/32
C
mm
78.5
 78.5
78.5
 Edge and Face Forming Bits
  90˚VEE GROOVE BITS
A versatile bit for decorative vee grooves and chamfering.
Used for sign and lettering work. Also mitre joints for box fabrication.
90° INCLUDED ANGLE TWO FLUTES
CARBIDE TIPPED
SUFFIX 1/2 = 1/2” SHANK, OTHERWISE 1/4”
C
B A
                          PART No.
A
B
C
in.
 mm
in.
 mm
in.
 mm
 CARH 112
CARH 128
CART 112
CART 128
CART 128 1/2
CART 1230 1/2
CART 1240 1/2
PART No.
CART 112 W/F
17/32
1-15/64 31.3
45/64
45/64
1-15/64
1-15/64
1-9/16
1-49/64
2
A
mm
18
HIGH SPEED STEEL
CARBIDE TIPPED
 13.5
18
18
31.3
31.3
39.7
45
50.8
A1
mm
3
3
3/8
7/8
.365
-
5/8
5/8
25/32
1-13/64
1
9.5
22
9.2
7
15.9
15.9
20
30.5
25.4
B
mm
7.5
1-3/8
1-7/8
1-3/4
-
2
2-1/2
3-3/8
3-13/64
3
C
mm
45
35
47
  • CART 112 W/F * •CART 1236 1/2
44.4
42
50.8
63.5
86
81.5
76
 * Ground with a flat, for use on aluminium composite materials.
90˚VEE GROOVE BITS WITH FLAT
For routing aluminium composite materials etc. to enable the material to be bent to 90˚.
90° INCLUDED ANGLE A1 TWO FLUTES
CARBIDE TIPPED
• CART 128 W/F CART 128 1/2 W/F
C
                   B A
                  31.3
14.7
52
        31.3
3
14.7
64
              22.5˚VEE GROOVE BITS
22.5 Degree included Angle - Single Flute - Solid Carbide
C
        B 0.5mm Flat
A
           PART No.
CARTV 2208
CARTV 2216 1/2
in.
1/4
1/2
A
mm
6.4
12.7
in.
37/64
1-13/64
B
mm
14.7
30.6
in.
2-1/4
3
C
mm
57.2
76.2
          30˚VEE GROOVE BITS
45o VEE GROOVE BITS
30 Degree included Angle
- Single Flute - Solid Carbide
   PART No.
A
B
C
in.
mm
in.
mm
in.
mm
CARTV 3008
1/4
6.4
-
10.9
2-1/4
57.2
CARTV 3016 1/2
1/2
12.7
-
22.8
3
76.2
     45 Degree included angle - Single Flute - Solid Carbide
 PART No.
A
 B
 C
 in.
 mm
 in
 mm
 in
 mm
 CARTV 4508
 1/4
 6.35
 –
 7.0
 2-1/4
 57.15
 CARTV 4516 1/2
 1/2
 12.7
 37/64
 14.7
 3.0
 76.2
    PART No.
A
B
C
in.
mm
in.
mm
in.
mm
CART 6128
1
25.4
-
22.4
2-1/4
57.1
CART 6128 1/2
1
25.4
-
22.4
2-3/4
70
                      60˚VEE
GROOVE BITS
This bit is specifically designed for sign and lettering work.
60° INCLUDED ANGLE
CARBIDE TIPPED
- TWO FLUTES
SUFFIX 1/2 = 1/2” SHANK, OTHERWISE 1/4”
* These bits are not guaranteed against tip breakage due to thin section of carbide at the point
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