Mandouer 4.2mm Metric Cobalt Drill Bits, M42 HSS Metal Drill Bit Set for Hardened Steel, Cast Iron, Wood and Plastic, 135 Degree Split Point, 5 Pcs($7.99Value)

Description

Enhanced M42 Alloy Material：Industry grade M42 carbide drill bits, much harder than HSS used in other similar drill bits set. These drill bits contain 8% Cobalt, which increases wear-resistance and durability. Professional Impact Drill Bits：Tip precision 135° self-centring design prevents twist drill bits slippage for efficient drilling and faster removal of chips and particles. Roll forged and manufactured to DIN338 standard. Sharp Drill Bit Edge: Precision ground stainless steel drill bits for fast drilling results with low contact force without pre-punching or pre-drilling. Perfect suitable for drilling in hard metals such as stainless steel and cast iron, and other softer material are also possible. Long-life Titanium Drill Bit Set: The titanium coating on the surface allows for better lubricant application, reducing friction and adhesion to improve wear resistance and sharpness, resulting in smoother drilling and stronger corrosion resistance. Twist Drill Bits Sizes: Cutting edge diameter: 11/64" (4.2mm); Cutting edge length: 1.69" (43mm); Overall length: 2.95" (75mm). Used with hand drills, drill presses, bench drills, machining centers, CNC lathes, etc. Mandouer 11/64" Metric Cobalt Drill Bits, M42 HSS Metal Drill Bit Set for Hardened Steel, Cast Iron, Wood and Plastic, 135 Degree Split Point, 5 Pcs