Surface roughness reference samples for "reaming and drilling"TOP-VERSION !!
with parameters of Ra, Rz (DIN) and N-classes
This comparison sample set includes 4 roughness for the Machining Method Reaming 322 Ranges of roughness values:
Ra (µm) 0,4 .... 3,2
Rz (µm) 1,6 .... 16
N-Groups N5 .... N8
and 4 roughness for the Machining Method Drilling Ranges of roughness values:
Ra (µm) 1,6 .... 12,5
Rz (µm) 6,3 .... 63
N-Groups N7 .... N10
Please note that the terms "CLA" and "AA" mean exactly the same thing as "Ra".
the special manufacturing process ensures the high precision and the absolute sameness of all samples
the individual wear-resistant, stainless reference standards are 24 x 15 mm
external dimensions 130 x 55 x 5 mm
weight 0,090 kg
inclusive instruction manual
delivery in protective sleeve
Suitable for machine workers, controller and training workshops.
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