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TCT Carbide Drill Bits for Hardened Steel & Metal
Tungsten-carbide-tipped drill bits for demanding metalworking and locksmith tasks where standard HSS bits may struggle. Multiple diameters and pack quantities are available for repair, fabrication and workshop use.
Free UK delivery · Economy registered shipping · 30-day returns · Secure PayPal checkout in GBP
Choose the correct variant
Select the required drill diameter and pack quantity from the variant menu.
- Confirm the finished hole diameter required.
- Check that the drill shank is compatible with your machine or chuck.
- Select the correct diameter and quantity before adding to cart.
Key specifications
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Cutting tip: tungsten carbide (TCT)
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Intended materials: hardened steel, stainless steel and compatible metals
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Applications: locksmith work, fabrication, repair and general metalworking
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Options: multiple diameters and pack quantities
Safe, accurate drilling
- Clamp the workpiece securely and wear suitable eye protection.
- Use an appropriate speed, feed and cooling method for the material and machine.
- Avoid side loading and do not use a damaged or chipped bit.
Compatibility note: Drilling performance depends on workpiece hardness, machine rigidity, speed, feed and cooling. Confirm suitability for your material before use.
Before adding to cart
- Confirm the drill diameter.
- Check the selected pack quantity.
- Verify machine and material compatibility.
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