JIMI Upgrade 4Pcs 7-10mm Drill Bits HSS-CO Cobalt Twist Drill Bit For Bosch Dremel Rotary Tool

Descriptions: JIMI Upgrade 4Pcs 7-10mm Drill Bits HSS-CO Cobalt Twist Drill Bit For Bosch Dremel Rotary Tool Specifications: Brand: JIMI Material: HSS-CO High Speed Steel Diameter: 7 / 8 / 9 / 10mm Diameter Drill Length Cutttin Edge Length 7mm 108mm 69mm 8mm 117mm 75mm 9mm 125mm 82mm 10mm 133mm 88mm Features: - Using HSS-CO Stainless Steel Material, more durable and shaper, easy to drill solid material, such as 304 stainless steel. - Cylindrical double blade and double chip slot design, make drilling easier, easy to chip, no slipping. - HSS-CO drill bit set for copper, iron, aluminum, wood, stainless steel, hardened steel, metal drilling. - Can be used with electric hand drill, percussion drill for drilling operations. Package Included: 4 Pcs x HSS-CO Drill Bits More Details: