Facom Hexagon Bit Socket - 1/4 inch Drive - 4mm
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eBayFacom RT. 4 1/4″ Drive Metric Hexagon Bit Socket 4mm Screwdriver
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Blueperry agriculture (UK)Facom Bit Socket 1/4" Hex 4Mm Rt4p
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Product Information
Full details
The Facom 1/4 inch drive hexagon bit socket (4mm) is an essential precision tool designed for professional mechanics and industrial technicians who require high-torque reliability and exact tolerances. Engineered with a durable chrome-finished body and a corrosion-resistant phosphate-coated bit, it excels in tightening or loosening small hex-head fasteners in tight spaces; however, users should note that the 37mm total length is optimized for specific clearances and may not be suitable for deeply recessed fasteners requiring extended reach.
All features
| Model Part Number | RT.4 |
|---|---|
| Brand | Facom |
Extended Product Information
FAQs
Can this socket be used with an impact driver?
No, this socket is designed for manual hand-ratchet use. High-torque impact drivers can compromise the structural integrity of the bit.
What does the phosphate coating do?
The phosphate coating is applied to the bit tip to provide superior corrosion resistance and increased surface hardness compared to raw steel.
Is this tool compatible with all 1/4-inch drive ratchets?
Yes, it is compatible with any standard professional 1/4-inch drive ratchet or torque wrench.
How long is the bit itself?
The bit length is exactly 15mm, with an overall socket length of 37mm.
Should I oil the bit to prevent rust?
While the phosphate coating provides high resistance, a light wipe with machine oil is beneficial if you are working in high-humidity environments.
Troubleshooting
Socket slips on the bolt head
Ensure the 4mm bit is fully seated and free of dirt or debris; check if the bolt head itself is rounded or damaged.
Socket is stuck to the ratchet
Check the ratchet's quick-release button; if it remains stuck, inspect the square drive ball detent for obstructions.
Pros and Cons
Pros
- High-grade steel construction ensures long-term durability
- Phosphate bit coating significantly reduces surface wear
- Bright chrome finish makes the tool easy to wipe clean after oily jobs
- Precise fit minimizes the risk of damaging bolt heads
Cons
- Fixed 15mm bit length may limit reach in deep recessed ports
- Requires a separate 1/4" driver; it is not a standalone hand tool
- Not intended for impact wrench usage
Setup, Compatibility & Care
To ensure the longevity of your Facom bit socket, always match the 1/4" drive square precisely with your ratchet or adapter. Do not use an impact driver, as the high-impact force can snap the bit or damage the socket walls.
Maintenance Tips:
- Clean after use: Use a clean shop rag to wipe away grease and oil, which can harbor debris and lead to premature oxidation.
- Storage: Keep in a dry environment or a modular foam tool organizer to prevent the phosphate coating from contacting harsh chemical spills.
- Inspection: Periodically check the 4mm hex tip for signs of twisting or deformation. If the edges become rounded, discontinue use to prevent stripping fasteners.