Metric Medium-Strength Black-Oxide Steel Hex Nuts (Pack of 20) green also a separate cut out

also a separate cut out for the ventilation fan

so we placed it on a breakout with a 3V regulator and logic level shifting

If the programming is unsuccessful

please dry at 80°C for a minimum of 4 hours

Metric Medium-Strength Black-Oxide Steel Hex Nuts (Pack of 20) green also a separate cut outOur Medium Strength nuts are comparable in strength to Class 8. 8 bolts and are suitable for fastening most machinery and equipment. Black oxide steel nuts have a dark surface color and are mildly corrosion resistant in dry environments. Use a hex nut with a screw or hex head bolt to fasten two or more wood or metal parts. Hex nuts are often used in construction for framing or to create a bolted joint. A jam nut can be used to lock a standard nut in