产品描述：
High Speed Steel Straight Shank Spiral Flute Parallel Hand Reamer
Used to produce a close tolerance surface finish by hand in almost any environment i.e. on site or in a workshop. Manufactured to BS 328 : Part 4 : 1990 and DIN 206B.
Imperial Limits of Tolerance Diameter \t Over\tUp to and Including\t High \t Low -\t0.1181 \t0.0003\t0.00010.1181\t0.2362\t 0.0004\t0.00020.2362\t0.3937 \t0.0005\t0.00020.3937\t0.7087 \t0.0006\t0.00030.7087\t1.1811 \t0.0007\t0.00041.1811\t1.9685 \t0.0008\t0.00041.9685\t3.1496 \t0.0010\t0.0005