HSS Metric Jobber Twist Drill Bit - 3.2mm - 10 Pack

This set contains 10 high-quality HSS metric jobber twist drill bits, each measuring 3.2mm in diam...

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B&QB&Q - 10 Pack 3.2mm Hss Jobber Drill Bits Din338 Black Twist Drill Bits For MetalWood & Plastic
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Product Information

Full details

The Dapetz HSS Metric Jobber Twist Drill Bit 10-pack is an essential set for DIY enthusiasts and professionals seeking precise 3.2mm holes in diverse materials. These bits provide high durability through their 4341 high-speed steel construction and rust-resistant finish, though they are specifically sized for smaller applications and are not intended for heavy-duty industrial masonry or concrete drilling.

All features

Model Part NumberDP00194
BrandDapetz

Extended Product Information

FAQs

Can I use these bits on concrete or brick?

No, these are HSS (High-Speed Steel) twist bits designed for metal and wood. Using them on masonry will cause the tips to dull or break almost immediately.

What is the diameter of these bits?

These bits are specifically sized at 3.2mm.

Do these fit in standard cordless drills?

Yes, they feature a standard straight shank compatible with almost all standard drill chucks.

Are these bits reusable?

Yes, these are professional-grade bits meant for multiple uses, provided they are maintained and not overheated.

What is the benefit of the black oxide coating?

The coating helps reduce friction while drilling and provides a layer of protection against rust and corrosion.

Should I use a drill press for these?

While they work great in hand drills, using a drill press provides the best stability and vertical accuracy for delicate tasks.

Troubleshooting

Bit wandering or slipping on start

Use a center punch to create a small indentation before drilling to provide a guide for the bit tip.

Bit getting hot or smoking

Reduce drill speed (RPM) and apply a small amount of cutting oil to the surface to lubricate and cool the bit.

Bit dulling quickly

Ensure you are using the correct speed for the material; running too fast in steel will quickly wear down the edge.

Pros and Cons

Pros

  • High-quality 4341 high-speed steel construction
  • Black oxide finish prevents rust
  • Excellent for precision drilling in metal and wood
  • Compatible with both hand and power tools
  • Convenient 10-piece pack for project continuity

Cons

  • Fixed 3.2mm diameter limits hole size variety
  • Not suitable for masonry or concrete applications
  • Requires proper cooling during continuous metal drilling

Setup, Compatibility & Care

To ensure these drill bits perform at their peak, follow these guidelines:

  1. Setup: Insert the shank into your drill chuck securely and tighten evenly to prevent slipping.
  2. Compatibility: These bits fit all standard chucks found on corded and cordless power drills, as well as hand-operated pin vises and drill presses.
  3. Care and Maintenance:
  • Keep the bits organized in their storage packaging to avoid dulling caused by contact with other metal tools.
  • Use a cutting lubricant when drilling into hard metals to reduce heat and prevent the steel from losing its temper.
  • Clean the bits after use with a dry cloth to remove debris and moisture before returning them to storage.

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