Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal

STROTON Metric M42 8 Cobalt Twist Drill Bits for Stainless Steel and Hard Metal(15Mm-65Mm13Pcs)

• Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
• 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
• 13Pcs 135 Degree Split Point Drill Bits Includes :1.5mm 2mm 2.5mm 3mm 3.2mm 3.5mm 4mm 4.5mm 4.8mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm.

Metric M42 8% Cobalt Twist Drill Bits for Stainless Steel and Hard Description Product Advantages: (1) 3 Steps desigh tip starts drilling immediately with less force and eliminates ‘walking’ across the work surface. (2) Holds up better than generic high-speed steel, Cobalt gives high-speed steel more heat and wear resistance. (3) This drill bits set is made of Premium Cobalt (80,000 dollars per ton). (4) The STROTON metric cobalt drill bits can cut through Stainless steel and Hard metal,Hard wood, also they can be used for softer materials such as Aluminum,Plastic. Some Important Tips about drilling stainless steel and hard metal: (1)Use steel nails to nail an anchor point on the surface of the steel plate. (2)Controling the drill speed from 200 to 1000 RPM would make it easier for you to drill holes on stainless steel. ________________________________ Stainless Steel ____________________________ Drill diameter RPM ____________________________ 5mm 1000~700 ____________________________ 5-10mm 700~350 _________