HSS cobalt drill bit set head 8% hardness 68-70 HRC stainless steel wood metal drilling. Material: M42 High Speed Steel. Cobalt: 8% High Cobalt. Blade: Three-edge cutter head design(Less than 3mm is not triple edge). Application: Copper, iron, aluminum, wood, stainless steel, metal drilling. Fit for Equipment: Use on electric drills, bench drills, etc. 13pcs Set: 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm. 19pcs Set: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9.0, 9.5, 10mm. 25pcs Set: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9.0, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm. Using M42 high speed steel, 8% high cobalt, more durable and shaper, easy to drill solid material, such as 304 stainless steel. 3 edge cutter head and 135 degree split point design, make drilling easier, easy to chip, no slipping. High heat treated hardness 68-70 HRC. Can be used radial drill, bench drill or hand drill chuck for drilling operations. Please note that this service is NOT track able. It’s track able. Could be longer than usual. Please add another 5-10 days as a delay. Please read all the descriptions provided as a guide before you. Your satisfaction is important to us and we value your business. Then we will be able to provide the best service for you. Please do the same for us if you are satisfied with our products and the service. If you don’t receive a reply please kindly be patience and we will reply ASAP. This item is in the category “Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Drill Bits”. The seller is “fly-buy_onlineshop” and is located in this country: CN. This item can be shipped to United States, all countries in Europe, Canada, Mexico, Japan, Australia.

• Types: 25PCS
• Suitable For: Drill
• Type: Drill Bit
• Model: 68-70
• Brand: Allsome
• Number of Items in Set: 13
• Material: Cobalt Steel Alloys
• Country/Region of Manufacture: China
• Application: Drilling