INSIZE 4168-S25 Steel Ball Set (25 pairs)

Diameter: 1, 2, 3, 4, 5, 6, 7, 8, 9, 

                10, 11, 12, 13, 14, 15, 16, 

                17, 18, 19, 20, 21, 22, 23, 24, 25mm

Steel balls per set: 25 pairs

To measure angle and diameter of taper holes

Each size has a pair of steel ball

Material: tool steel

Hardness: HRC63

Diameter accuracy: ±2µm

Roundness: 0.6µm

Supplied with manufacture inspection certificate

Datasheet