PT. KALSA Triapsara Utama distributor of Drill brands Sherwood, Senator, Swiss Tech, Nachi, etc. Drill consists of several types such as Center Drill, Drill Set, Extra Long Drill, Jobber Drill, Reamers, Sheet & Tube Drill, Spotting Drill, Stub Drill, Taper Shank Drill, etc. Each drill meets industry standards such as BS328 : Part 1, DIN 338N and ANSI B94-11M. The following is an example of the types and functions of drill bits. Twist Drill Bit or HSS Drill is used for general applications such as making holes in wood, plastic, metal and concrete. Counterbore drill bits are used to enlarge holes. Countersink drill bits are used for wide openings for screws. High Speed Drill Bit is widely used for cutting metal because it is very strong. Drills are made of several types of materials such as HSS TIN Coated, HSS-Co, Solide Carbide, HSS-Co Tin Coated. HSS-TIN gets the addition of Titanium to increase service life, suitable for use in general drill work. HSS-Co gets the addition of 8% Cobalt so that drills can be used at higher speeds and better heat resistance. Contact us for more detailed inquiries about drill products.