🔩 Updated Custom Brass Carburetor Plug Screw – FINAL SPECS (Corrected M6 x 1.0 Thread)🔩 Updated Custom Brass Carburetor Plug Screw – FINAL SPECS (Corrected M6 x 1.0 Thread)📌 Application:📌 Application: • Vehicle: 1987 Nissan Sentra B12 • Vehicle: 1987 Nissan Sentra B12 • Engine: E16S • Engine: E16S • Carburetor: Hitachi DCR306 • Carburetor: Hitachi DCR306 • Purpose: Bowl plug screw (sealing screw, NOT a jet – no orifice) • Purpose: Bowl plug screw (sealing screw, NOT a jet – no orifice)⸻⸻🧵 Thread Details:🧵 Thread Details: • Thread Type: M6 x 1.0 (ISO Metric Coarse, RH) • Thread Type: M6 x 1.0 (ISO Metric Coarse, RH) • Major Diameter: 6.0 mm • Major Diameter: 6.0 mm • Thread Pitch: 1.0 mm • Thread Pitch: 1.0 mm • Thread Length (engagement): 3.8 mm • Thread Length (engagement): 3.8 mm • Thread Fit Class: ISO 6G (standard fit) • Thread Fit Class: ISO 6G (standard fit)⸻⸻🔘 Head Details:🔘 Head Details: • Head Type: Flat-top slotted screw • Head Type: Flat-top slotted screw • Head Diameter: 7.1 mm • Head Diameter: 7.1 mm • Head Thickness: 2.2 mm • Head Thickness: 2.2 mm • Slot Width: 1.5 mm • Slot Width: 1.5 mm • Slot Depth: 1.2 mm • Slot Depth: 1.2 mm • Slot Style: Standard flathead (straight) • Slot Style: Standard flathead (straight)⸻⸻📐 Shoulder & Chamfer:📐 Shoulder & Chamfer: • Smooth Shoulder Length: 1.2 mm (non-threaded) • Smooth Shoulder Length: 1.2 mm (non-threaded) • Chamfer Angle: 45° • Chamfer Angle: 45° • Chamfer Length: 1.2 mm (leads into taper seat) • Chamfer Length: 1.2 mm (leads into taper seat) • Sealing Style: Brass-to-brass taper seat – no gasket • Sealing Style: Brass-to-brass taper seat – no gasket⸻⸻📏 Overall Dimensions:📏 Overall Dimensions: • Total Length: 8.7 mm from head to tip • Total Length: 8.7 mm from head to tip⸻⸻⚙️ Material & Finish:⚙️ Material & Finish: • Material: Soft brass (fuel-resistant, easy to machine) • Material: Soft brass (fuel-resistant, easy to machine) • Finish: Smooth/burr-free surface, clean cut threads • Finish: Smooth/burr-free surface, clean cut threads • Machining Tolerance: ±0.05 mm on all features • Machining Tolerance: ±0.05 mm on all features⸻⸻❗️ Special Notes:❗️ Special Notes: • This is not a metering jet — no center hole • This is not a metering jet — no center hole • Must seal air-tight under vacuum/fuel pressure • Must seal air-tight under vacuum/fuel pressure • Thread must match Hitachi DCR306 bowl plug ports exactly