computer support system

The 4G Battery Monitoring System BMS110 suitable for Solar Power System, Telecom Tower Battery System, Computer Room Backup Power System real-time monitoring applications. When any battery voltage lower or total voltage lower, will alarm and upload data to cloud platform, SMS ...

Come From BLIIOT

Shaft material: 40Cr(ASTM A5140) or 45#(ASTM 1045) steel. Helix plate: ASTM A36 hot rolled plate, available in 3/8\'\' and 1/2\'\' thickness. All helix leading edges sharpened and rock cut and 45 degrees. Corrosion protection: ASTM A153, hot dipped zinc coating. Efficient ...

Come From Better Screw Co.,

Shaft material: Seamless high tensile pipe, conforms to ASTM A500 GRADE B or Customized. Helices material: ASTM A36 hot rolled plate. Corrosion protection: ASTM A153, hot dipped zinc coating. Leading edge of helices beveled 45 degrees. Greater section modulus strength to resist ...

Come From Better Screw Co.,