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eBay£32.49Visit shop Glow Plug Thread Repair Kit M8 x 1.0 12mm Inserts Tap Set for Diesel Engines
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This 16-piece Neilsen Glow Plug Thread Repair Set is for mechanics and DIY enthusiasts working on M8 x 1.0mm diesel engines. It provides a reliable solution for repairing damaged threads in alloy cylinder heads, caused by cross-threading or over-tightening, ensuring a gas-tight and efficient seal. While effective for common thread damage, it is not a Helicoil replacement.
| Model Part Number | CT0837 |
|---|---|
| Brand | Neilsen |
This set is specifically designed for M8 x 1.0mm threads.
This set is intended for use on *alloy* cylinder heads.
This set provides a direct thread repair using pre-formed inserts, whereas a Helicoil is a type of screw thread insert that creates its own internal thread.
The kit includes 5 x 12mm deep inserts.
It is effective for rectifying common problems like cross-threading and over-tightening that damage existing threads.
Yes, the set includes threaded taps required for preparing the hole before insert installation.
The inserts have a black phosphate finish for added durability and corrosion resistance.
Ensure you are using cutting fluid or appropriate lubricant. Back the tap out frequently (a quarter to half turn) to clear debris and prevent breakage. Verify the hole is clean and aligned correctly.
Double-check that the hole has been tapped correctly with the correct M8 x 1.0mm tap. Ensure no metal shavings remain in the tapped hole. Use a steady, even pressure with the assembly tool.
Ensure the insert is fully seated and flush with the cylinder head surface. Verify that the correct M8 x 1.0mm tap and inserts were used. Re-inspect the thread condition before repair.
Setup: Ensure the engine is cool and disconnected from power sources. Identify the damaged M8 x 1.0mm glow plug thread. Use the provided taps to carefully re-thread the damaged hole, ensuring a straight path. Select an appropriate insert and use the assembly tool to screw it into the newly tapped hole until flush. Compatibility: This set is specifically designed for M8 x 1.0mm thread sizes found in many diesel engines. It is intended for use on *alloy* cylinder heads. Care: After use, clean all tools and inserts with a degreaser and store them in their original case to prevent damage and loss. Keep inserts dry to avoid rust. Inspect tools regularly for wear.
