YG-1

A jobber drill is the most common, general-purpose twist drill bit in manufacturing. Its intermediate length (flute length 9-14 times the diameter) provides a good balance of drilling depth and rigidity for drilling various materials like steel, metal, plastic, and wood. It typically has a straight shank, two spiral flutes for chip removal, and often a 118-degree point angle. Made primarily of HSS, it's a versatile and widely used drill bit.

A spiral point tap (or gun tap) is designed for tapping through holes. Its key feature is an angled cutting face that pushes chips forward and out of the hole. This allows for faster tapping, better thread quality, and reduced tap breakage compared to other taps in through-hole applications.