This DongCheng Hss Twist Drill Sets 30471700003 are used for drilling into the metal with the highest accuracy and is made in such a way that it quickly drills holes in alloyed and non-alloyed steel, cast iron, cast steel, malleable cast iron, sintered iron, non-ferrous metals and rigid plastics. The multipurpose twist drill set has proven to be the best amongst the rest all referrals goes to this superb tool from GZ industrial supplies for such uniqueness in performance.This DongCheng Hss Twist Drill Sets 30471700003 are used for drilling into the metal with the highest accuracy and is made in such a way that it quickly drills holes in alloyed and non-alloyed steel, cast iron, cast steel, malleable cast iron, sintered iron, non-ferrous metals and rigid plastics. The multipurpose twist drill set has proven to be the best amongst the rest all referrals goes to this superb tool from GZ industrial supplies for such uniqueness in performance.

As someone who frequently works on DIY projects and small repairs around the house, having a reliable set of drill bits is essential, and this set has exceeded my expectations.

I've used many drill sets in my professional career, and I have to say, this twist drill set is top-notch. The drills are made from high-quality materials and hold up well even under heavy use. I particularly appreciate the precision of the drill bits, which consistently produce clean and accurate holes. The set includes a wide range of sizes, making it suitable for a variety of applications. Whether you're a professional tradesperson or a hobbyist, this drill set is sure to impress

it quickly drills holes in alloyed and non-alloyed steel

it feels so good to have a high quality set of bit. Very strong and well made. nice one GZ.

This HSS twist drill bits set is a handy tool easy to use for multiple tasks. It consists of different sizes of drill bits which can be used for the purpose of the project.