42Cr Precision Needle Pin

42Cr Precision Needle Pin

42Cr Precision Needle Pin Material: 42CrMo material, turned by CNC machine, the hardness 60HRV. Sharp top point. There is very tiny slot made by electric pulse. 42Cr Precision Needle Pin Function: Used in fire protection system to trigger spray CO2 from valve body.

42Cr Precision Needle Pin Material: 42CrMo material, turned by CNC machine, the hardness 60HRV. Sharp top point. There is very tiny slot made by electric pulse.

42Cr Precision Needle Pin Function: Used in fire protection system to trigger spray CO2 from valve body.

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