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, titanium, aluminum and hard metal
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
14 Commonly Used Sizes: 1/16*16Pcs, 5/64*16Pcs, 3/32*15Pcs, 7/64*5Pcs, 1/8*15Pcs, 9/64*3Pcs, 5/32*6Pcs, 3/16*6Pcs, 7/32*5Pcs, 1/4*6Pcs, 5/16*2Pcs, 3/8*2Pcs, 7/16*2Pcs and 1/2*2Pcs
More rationalized drill bit set: with more frequently used drills and smaller sized drills in larger quantities
Use Notices: Drill bit should be vertical to the workpiece when used; controling low speed from 200 to 1000 rpm; using cutting fluid will stay cool to make the bit last longer
Packages: Hard and thick plastic box, drills bagged for compartmentalized storage, reasonable design, well secured package
