M:14*1.25mm
Hex: 16mm
Reach: 19mm
Gap:1.1mm
Feature:
1, 95% Alumina Insulator
Excellent insulation can withstand 20000--30000V high- votage, to ensure the good spark.
Excellent thermal conductivity, to prevent over-burning
Strong heat shock resistance, withstand repeated temperature change from normal to 2500°
High mechanical strength, to withstand 50kg/cubic centimeter of the outbreak of the pressure
2, Copper Core Electrode
High heat resistant
High corrosion resistant
High hardness
Long-time durability
3, Nickel coated matel shell
High corrosion resistant
Decompose slowly, live longer
Elegant appearance
Packaging details:
1 pc in a small color box, 10 pcs in a middle color box,
200 or 400 pcs in an export carton.
