IT20

0.4mm Iridium tipped laser welded fine wire center electrode reduces required voltage and improves firing performance.
Tapered cut U-Groove ground electrode increases ignitability and decreases quenching
Machine rolled threads prevent seizing or cross threading during installation and removal
100% pre-fired to assure the highest quality possible
Purified alumina powder insulator provides exceptional strength and thermal conductivity
Five rib insulator prevents flashover
Copper-glass seal bonds center electrode and insulator for a gas-tight seal

Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Tapered
• Resistor Value: 5K Ohm
• Reach: 17.5mm (.689″)
• Hex Size: 5/8″ (16mm)
• Terminal Type: Solid
• Overall Height: JIS
• Gap: .043″ (1.1mm)