findmall Cobalt Drill Bit Set-10Pcs 1/16-1/4 M35 High Speed Steel Twist Jobber Length for Hardened Metal Stainless Steel Cast Iron and Wood Plastic with Plastic Storage Case

Include: 1/16"(1.59mm),5/64"(1.98mm),3/32"(2.38mm),7/64"(2.78mm),1/8"(3.18mm),9/64"(3.57mm),5/32"(3.97mm),11/64"(4.37mm),3/16"(4.76mm),1/4"(6.35mm). 135 Degree Split Point: 135 degree means less force required to remove metal, compared with lower angles like 90° and 118°. Self-centering split point allows you to drill directly to the size needed without any pre-drilling. Twist Drill Bit Body: Heavy-duty, fully ground body construction. High flow spiral design for the fastest removal rate and for thick material. Straight Shank: Straight shank for standard drill chuck, less "walk“ or â€wander“. The end of shank is chamfered to allow easy and firm holding. Special bronze SST heat and surface treatment.