5/16 Inch Cobalt Drill Bits 5Pcs - HPHOPE M35 HSS Metal Twist Drill Bits Set, Jobber Drill Bits Length and Straight Shank, Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron - size: 5/16-inch, 5Pcs
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Description
About this item
- 【M35 COBALT HIGH SPEED STEEL】 5/16" drill bits for metal made of M35 Cobalt High Speed Steel and contain 5% Cobalt, which increases wear-resistance, durability and extra longer life span, so that the drill bits last through multiple uses.
- 【135° SPLIT POINT】 135°Quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. Straight shank allows for firmly holding and accurate centering and makes drilling precise and faster.
- 【FULLY GROUND PROCESS】 Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance.
- 【PROFESSIONAL & WIDELY USE】 Perfectly Suitable for drilling holes as Stainless Steel, Copper, Cast Iron, Galvanized Pipe, Aluminum Alloy, Wood and Other Softer Metals. Not for Glass or Ceramic Materials.
- 【EASY USE & STORAGE】 The set includes 5Pcs 5/16" Cobalt Drill Bits, This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and DIY, household maintenance and repair.
Overview
- Material: Cobalt Steel
- Cutting Diameter: 0.31 inches
- Finish Type: Uncoated
- Shank Type: Straight
- Cutting Angle String: 135 degrees
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