Sinyeenglon Cobalt Drill Bits Set for Hardened Metal and Stainless Steel, 122Pcs 1/16"-1/2" M35 HSS Twist Jobber Metal Drill Bits, with Index Storage Case

Sinyeenglon Cobalt Drill Bits Set for Hardened Metal and Stainless Steel, 122Pcs 1/16"-1/2" M35 HSS Twist Jobber Metal Drill Bits, with Index Storage Case

• Cobalt M35 Material: High cost, but hardness is up to 67, cut faster and has a long life, up to 12 times compared with the average HSS titanium coated bit
• Hardened Full Grinding Process: Increases wear resistance, sharp and durable, used for stainless steel, cast iron, zinc alloy, hard sheet, flat bar, mild steel tube, titanium, aluminum, hardened metal, plastic and wood
• Packaging: Hard and thick plastic box, drills bagged for compartmentalized storage, reasonable design, well secured package
• Easy To Access: Various sizes are placed in different compartments of the plastic box, and the corresponding sizes of different drills are printed on the bottom of the lid, very clear, making it very convenient to access
• Various Commonly Used Sizes: 1/16*30Pcs, 5/64*20Pcs, 3/32*10Pcs, 7/64*5Pcs, 1/8*10Pcs, 9/64*5Pcs, 5/32*5Pcs, 11/64*3Pcs, 3/16*5Pcs, 13/64*3Pcs, 7/32*3Pcs, 15/64*3Pcs, 1/4*5Pcs, 17/64*3Pcs, 9/32*3Pcs, 5/16*3Pcs, 3/8*2Pcs, 7/16*2Pcs and 1/2*2Pcs
• Well thought-out set combinations: 122-piece 1/16-1/2 set, 19 commonly used drill types, and taking into account more frequently used drills and smaller drill sizes in larger quantities, e.g., 30pcs 1/16, 10pcs 1/8, 5pcs 3/16, and 5pcs 1/4.
• Widely used: Whether you're a home DIYer / beginner or workshoper of professional drilling, it's a great tool