A reamer having short, virtually parallel edges with bevel lead and a guide in between the shank and cutting edges.

Dimensions in mm
(They can also be manufactured as per US and EU standard sizes and specifications)

Diameter m6 Range of Diameter Over Upto And Including Cutting Edge Length Overall Length Morse Taper No 1
6 -- 6.00 26 138 1
-- 6.00 6.70 28 144 1
7 6.70 7.50 31 150 1
8 7.50 8.50 33 156 1
9 8.50 9.50 36 162 1
10 9.50 10.60 38 168 1
11 10.60 11.80 41 175 1
12 11.80 13.20 44 182 1
13 11.80 13.20 44 182 1
14 13.20 14.00 47 189 1
15 14.00 15.00 50 204 2
16 15.00 16.00 52 210 2
17 16.00 17.00 54 114 2
18 17.00 18.00 56 219 2
19 18.00 19.00 58 223 2
20 19.00 20.00 60 228 2
-- 20.00 21.20 62 232 2
22 21.20 22.40 64 237 2
-- 22.40 23.02 66 241 2
-- 23.02 23.60 66 264 3
24 23.60 25.00 68 268 3
25 23.60 25.00 68 268 3
26 25.00 26.50 70 273 3
28 26.50 28.00 71 277 3
30 28.00 30.00 73 281 3
-- 30.00 31.50 75 285 3
-- 31.50 31.75 77 290 3
32 31.75 33.50 77 317 4