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This is a genuine Bergeon 30080-K watchmaker‘s screwdriver, a Swiss-made precision tool featuring a 2.50 mm blade and first quality construction. As part of Bergeon‘s professional 30080 series, this screwdriver comes complete with 2 spare blades stored in a protective plastic tube, ensuring uninterrupted work when the primary blade wears down.
The chrome-plated brass handle with a colour-coded swivel head allows for easy size identification, making this tool essential for watchmakers, jewellers, and hobbyists who demand precision and reliability when working on delicate timepieces .
Proper Screwdriver Technique :
Grip: Hold the screwdriver with the swivel head pressed against your index finger. This provides stability and guidance.
Rotation: Use your thumb and middle finger to rotate the screwdriver. Maintain consistent downward pressure.
Stabilization: Use your ring finger or little finger to steady the tool against the workbench for additional control.
Blade Fit: Always ensure the blade width matches the screw slot exactly. A properly fitted blade prevents damage to both the screw head and the blade.
Blade Selection:
Select the appropriate blade size for the screw you are working on.
The blade should fill the entire screw slot width without protruding beyond the edges.
For 2.50 mm blades (30080-K), these are suitable for larger screws found in movement bridges, case screws, and bracelet screws.
The Bergeon 30080 series screwdrivers feature a set screw (grub screw) design that allows for quick and easy blade replacement .
Step-by-Step Blade Replacement:
Loosen the set screw: Using a small screwdriver or hex key, loosen the set screw located on the side of the handle near the blade.
Remove the old blade: Pull the worn or damaged blade straight out from the handle. If the blade is stuck, penetrating oil (e.g., Liquid Wrench) may help, or gently heat the handle to expand the metal .
Insert the new blade: Insert one of the spare blades from the included plastic tube into the handle. Ensure the blade is fully seated.
Tighten the set screw: Secure the blade by tightening the set screw firmly but not excessively—overtightening can damage the blade or handle threads.
Check alignment: Verify that the blade is straight and secure before use.
Important Notes for Blade Replacement:
The decorative lines on the blade indicate the correct clamping position for the Bergeon sharpening jig .
Always inspect spare blades upon purchase; some users have reported corrosion on unused spare blades .
Daily Maintenance:
Wipe the blade and handle with a soft, dry cloth after each use.
Inspect the blade tip for wear, burrs, or damage.
Return the screwdriver to a stand or case to protect the blade.
Blade Refinishing :
Blades can be refinished using a sharpening stone or a dedicated Bergeon 30081 sharpening jig.
The decorative rings on the blade indicate the correct clamping position for the sharpening jig .
Maintain the blade at the original angle to ensure proper fit in screw slots.
When to Replace vs. Refinish :
Refinish: Minor wear, slight rounding of the tip, or burrs.
Replace: Chipped blade, cracked blade, or if the tip is significantly worn down.
Storage:
Store screwdrivers in a dedicated stand or case.
Keep spare blades in their original plastic tube to prevent loss and protect from moisture.
Store in a dry environment to prevent rust on carbon steel blades .
Q1: Are the blades stainless steel?
A: No. According to Bergeon‘s official specifications, the 30080 series blades are made of 20 AP tempered steel (carbon steel) with a hardness of 54/58 HRC, not stainless steel . Carbon steel blades can hold a sharper edge but are susceptible to rust if not properly stored .
Q2: Why are there spare blades included?
A: Screwdriver blades are consumable items that wear down over time with regular use. The two spare blades ensure you can continue working without interruption when the primary blade becomes dull or damaged .
Q3: How do I know which blade size to use?
A: The blade should fill the entire width of the screw slot without protruding beyond the edges. Using the correct size prevents damage to both the screw head and the blade. The 2.50 mm blade (30080-K) is suitable for larger screws found in movement bridges, case screws, and some bracelet screws.
Q4: Can I sharpen the blades myself?
A: Yes. The blades can be refinished using a sharpening stone or the dedicated Bergeon 30081 sharpening jig. The decorative rings on the blade serve as a guide for correct clamping in the sharpening jig . Always maintain the original angle to ensure proper fit in screw slots.
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