Description
Give apositive starting point for drilling
Prevent the drill bit from walking/slipping off target
Mark layout points clearly
Help in scribing and aligning fasteners
Its a simple but critical tool for accurate holes.
Common Types of Center Punches
1. Standard (Manual) Center Punch
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Simple steel shaft with a sharp point
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Use with a hammer to make an indentation
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Rough-and-ready, reliable for most metal/wood marking
2. Automatic (Spring-Loaded) Center Punch
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Built-in spring mechanism
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Press down on surface it automatically strikes with force
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Great for one-handed marking where a hammer is awkward
3. Pricker / Scriber Punch
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Very fine point
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Used for layout scratching and marking, not heavy punches
Key Specifications to Know
| Feature | Typical Range / Notes |
|---|---|
| Material | Heat-treated tool steel (for tip durability) |
| Length | ~100150 mm (46) for hand models |
| Point Angle | ~6090 tip (most common ~60) |
| Weight | Lightweight for manual use; automatic may be heavier |
| Spring Strength (auto) | Light / Medium / Heavy impact options |
