Facom Drift Pin Punch Set - 249.GJ4
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eBayFacom 249.GJ4 Sheathed Drift Pin Punch Set Large 10-16mm - Comfort Grip Handles
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Product Information
Full details
The Facom 249.GJ4 Drift Pin Punch Set is an essential tool collection for professional mechanics and industrial technicians who require precision and durability in heavy-duty striking tasks. This set provides high-performance pin drivers that prioritize user comfort through shock-absorbing handles, though its specialized nature means it is primarily suited for specific metalworking and assembly applications rather than general household repairs.
All features
| Model Part Number | 249.GJ4 |
|---|---|
| Brand | Facom |
Extended Product Information
FAQs
What is the length of the longest punch in the set?
The longest punch in the 249.GJ4 set is the 249.G16, which measures 310 mm.
Are these punches suitable for masonry work?
No, these are professional-grade drift pin punches designed for metalwork and mechanical assembly, not for masonry or stone.
What does the 'G' signify in the model numbers?
The 'G' in the Facom nomenclature typically designates the series featuring the specialized shock-absorbing sheath.
Can I use these with a pneumatic hammer?
These punches are designed for manual striking with a hammer or mallet; use with pneumatic tools may void the warranty and lead to premature failure.
How do I ensure the best grip while wearing gloves?
The sheathed handles are specifically designed to provide high friction, but ensure your gloves are clean and free of excessive oil for maximum stability.
Troubleshooting
Tool tip is mushrooming or flattening
The tool is likely striking a surface harder than the punch itself; ensure you are using the correct alloy punch for the material and grind the tip back to shape if necessary.
Grip feels loose or damaged
If the sheath becomes damaged, discontinue use to ensure safety; consider wrapping with professional-grade friction tape if the damage is minor.
Pros and Cons
Pros
- High-quality, professional-grade steel construction
- Effective vibration damping reduces hand fatigue
- Excellent reach for deep-seated pins
- Durable sheathed handles provide superior grip
- Facom's industry-standard reliability
Cons
- Carrying case not explicitly provided for storage
- Specialized tool set with limited application for general DIYers
- Heavier than standard non-sheathed punch sets
Setup, Compatibility & Care
These tools require no specific assembly before use. Ensure the punch diameter is closely matched to the pin being driven to prevent deformation of the tool tip or the workpiece. To maintain the life of your Facom 249.GJ4 set:
- Cleaning: Wipe the tools with a clean, dry cloth after use to remove grease and metal filings.
- Storage: Store in a dry environment to prevent corrosion; keeping them organized in a shadow board or tool roll will protect the sheathed handles from cuts.
- Inspection: Periodically check the tips for signs of mushrooming or fatigue; if the tip becomes deformed, grind it back to its original profile to ensure accuracy.