Facom Plastic Chisel Set - DM.PS4

This Facom 4-piece plastic chisel set is designed for the safe removal of engine housings, power s...

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eBayFacom DM.PS4 4 Piece Plastic Chisel Set
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Product Information

Full details

The Facom Plastic Chisel Set (DM.PS4) is an essential tool kit for professional automotive mechanics and serious DIY enthusiasts who frequently perform engine maintenance. This 4-piece set is specifically engineered to allow for the safe separation of engine housings, gearboxes, and rockers without damaging delicate joint surfaces. While the plastic construction provides superior protection against scratching or gouging compared to metal alternatives, the tools are intended for precision separation tasks and are not designed for heavy-duty prying or impact-heavy demolition work.

All features

Model Part NumberDM.PS4
BrandFacom

Extended Product Information

FAQs

Can I use these chisels on metal parts?

Yes, they are specifically designed to be used on metal engine housings to prevent damage to the joint surfaces.

Are these tools resistant to oil and fuel?

Yes, the plastic material is resistant to standard automotive fluids, but it should be cleaned promptly after contact with chemicals.

Does this set include a carrying case?

The DM.PS4 is provided as a 4-piece set; check your local packaging for specific storage sleeve inclusions.

Can I hit these with a steel hammer?

It is recommended to use a rubber or dead-blow mallet to avoid cracking the plastic handles.

What is the primary benefit over a flathead screwdriver?

The primary benefit is that the plastic material is softer than aluminum or steel engine cases, preventing expensive surface gouges.

Troubleshooting

The chisel edge is becoming dull after repeated use.

The plastic edges can be carefully re-profiled using a fine-grit file or sandpaper to restore the original sharpness.

Chisel is slipping out of the seam.

Ensure the mating surface is clear of heavy debris and use a rubber mallet to gently tap the chisel into the seam rather than trying to force it by hand.

Pros and Cons

Pros

  • Eliminates the risk of gouging mating surfaces
  • Comprehensive variety of shapes for different access angles
  • Extremely lightweight and ergonomic for extended use
  • Ideal for sensitive automotive engine work

Cons

  • Not suitable for high-impact metal-on-metal prying
  • Plastic material will wear down faster than steel chisels
  • Limited effectiveness on rusted or seized heavy-duty industrial seals

Setup, Compatibility & Care

These tools require no assembly and are ready for immediate use out of the box. To ensure a long service life, clean the chisel edges with a degreaser after each use to remove engine oil and grime, which can cause the plastic to degrade over time. Store the set in a cool, dry place away from extreme heat sources, as excessive heat can soften the specialized plastic material. Avoid using these tools as a hammer or applying extreme mechanical leverage, as they are calibrated for precision separation rather than high-force structural prying.

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