Silverline Cobalt Drill Bits - 4.0mm - 2 Pack

Name: Silverline Cobalt Drill Bits - 4.0mm - 2 Pack
Brand: Silverline
SKU: efbc4zw6pb
Availability: InStock

General purpose, roll forged drill bit, produced to DIN338 standard. For drilling holes in steel, ...

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2.0MM COBALT DRILL BITS 2PK Silverline 675058

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Product Information

Full details

This guide is for anyone looking to use Silverline Cobalt Drill Bits effectively. These drill bits are designed for drilling holes in various materials like steel, cast iron, and plastic. The key benefit is their durability and precision, thanks to the cobalt content and split point tip. However, always remember to use a cooling agent to maximize the lifespan and performance of the bits.

All features

Model Part Number	196502
Brand	Silverline

Extended Product Information

FAQs

What materials can these drill bits be used on?

These drill bits are designed for use on steel, cast iron, non-ferrous metal, and plastic.

Do I need to pre-drill a pilot hole?

No, the 135° split point tip eliminates the need for a center punch or pilot hole.

What is the benefit of cobalt in drill bits?

Cobalt increases the strength and wear resistance of the drill bit, extending its lifespan and improving performance.

How should I clean the drill bits?

Clean the drill bits with a cloth to remove any debris or residue after each use. Store in a dry place.

What is DIN338?

DIN338 is a quality standard that the drill bits are manufactured to, ensuring consistency and reliability.

What type of cooling agent should I use?

Cutting oil or a similar coolant designed for metalworking is recommended to prevent overheating and prolong the drill bit's life.

Troubleshooting

Drill bit is wearing down quickly.

Ensure you are using a cooling agent during drilling and that the drill speed is appropriate for the material. Check the drill bit for damage and replace if necessary.

Holes are not clean or have burrs.

Check the drill speed and feed rate. Ensure the drill bit is sharp and in good condition. Use a cooling agent to minimize heat buildup.

Drill bit is slipping or not starting easily.

Apply firm and steady pressure. Ensure the drill bit is perpendicular to the work surface. If needed, use a center punch to create a starting point.

Pros and Cons

Pros

Durable due to cobalt content, leading to a longer lifespan.
Versatile, suitable for a wide range of materials.
Split point tip enhances precision and ease of use.
Manufactured to a high standard (DIN338).
Provides clean and accurate holes with minimal burrs.

Cons

Requires the use of a cooling agent for optimal performance and longevity.
May not be ideal for very hard or abrasive materials without proper technique.
Can be more expensive than standard drill bits.

Setup, Compatibility & Care

Setup: Ensure the drill bit is securely placed in the drill chuck. Choose the appropriate drill speed based on the material (slower for harder materials like steel).
Compatibility: Compatible with most standard drills. Ensure the drill has the correct chuck size to accommodate the drill bit.
Care: Always use a cooling agent during drilling, especially with metal. After use, clean the drill bit to remove debris. Store in a dry place to prevent rust or damage.