The 12.9 grade hexagon screw is mainly used for heavy-duty stamping applications and earth-moving machinery such as bulldozers and excavators. Their tensile strength is 170,000 psi (1200Mpa), which is 10% stronger than our other metric steel screws.
The HP 4275A LCR Meter offers many features such as multi-spot frequencies, continuously variable test signal levels, multi-parameter measurements and basic accuracy of 0.1% with 4 1/2 or 5 1/2 (high res mode) digital resolution.