If you need to bore larger holes in tough materials without stepping up to specialty tooling, the BECOLLO 3/4″ cobalt drill bit set is a practical, value-focused pick. Each bit is made from cobalt (5%) high speed steel to improve wear and heat resistance, helping extend service life when working in demanding metals.
You can view the current price and full details on Amazon here.
The 135° split point is designed to self-center quickly to reduce walking and skating on the workpiece surface, while the 1/2″ reduced shank with 3 flats provides a more secure grip in your chuck—especially helpful on higher-torque drilling tasks.
Made from cobalt (5%) high speed steel for increased wear and heat resistance
135° split point for faster starts and improved self-centering to help prevent walking
1/2″ reduced shank with 3 flats for a more secure hold in the chuck
Suitable for hard metals such as stainless steel and cast iron (and also works on softer materials)
Includes 2 pieces of 3/4″ drill bits packed in a plastic case for storage and carrying
What you get: two uncoated, spiral-flute, 3/4″ (19.05 mm) jobber drill bits in a storage case—ready to keep on hand for fabrication, repair, or shop projects where a large diameter bit is required.
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