Conform to Dimensions in inches.
BS 122 Part 1:1989

Milling Cutters (Shank Type) - Taper Shank Slot Drill (Taper Shank Slot Drill (inches))
Diameter Cutting Edge Length Overall Length MT Shank No
1/8 3/8 3.3/8 1
5/32 3/8 3.3/8 1
3/16 1/2 3.1/2 1
7/32 1/2 3.1/2 1
1/4 5/8 3.5/8 1
5/16 3/4 3.3/4 1
3/8 7/8 3.7/8 1
7/16 7/8 3.7/8 1
1/2 1 4 1
9/16 1.18 4.3/4 2
5/8 1.1/4 4.7/8 2
11/16 1.3/8 5 2
5/8 1.1/4 4.7/8 2
5/8 1.1/4 4.7/8 2
11/16 1.3/8 5 2
3/4 1.1/2 5.1/8 2
7/8 1.5/8 5.1/4 2
1 1.3/4 6.1/8 3
1.1/8 1.7/8 6.1/4 3
1.1/4 2 6.3/8 3
1.3/8 2.1/8 7.5/8 4
1.1/2 2.1/4 7.3/4 4
45 38 196 63