HRK(W) Rockwell Reference Blocks 65mm Ø x 15mm

Hardness Value :

Hexagonal Grid :

Material :

Certificate Required :

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SKU: N/A Category: Rockwell Reference

Description

HRK(W) Reference blocks are calibrated with a 1/8″ Carbide ball Indenter.
Major Force applied is 150kg with a pre-load of 10kg.
All blocks are supplied with a UKAS or EURO certificate.
Nominal values selected are supplied within ± 4 points. (For example if you select 73 HRK, we will supply anything from 69 to 77 HRK. We will always try our hardest to get as close to the nominal value as possible.)
Uniformity of Hardness Calibration Guarantee for the following values:
- 38 HRK to 99 HRK ≤ 1.0 HRK
Uncertainty of Measurement : 30 to 100 HRK is 0.4 HRK.

Hardness Value :	38, 47, 56, 65, 73, 81, 86, 91, 95, 99
Hexagonal Grid :	NO GRID, CORRECT SIZE AS PER THE STANDARDS, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm
Material :	Aluminium, Steel
Certificate Required :	UKAS, EURO

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