3/8 Inch HSS Twist Drill Bits 5Pcs, HPHOPE 3/8" Jobber Drill Bits Set, Straight Round Shank, Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron

HPHOPE, MAKE LIFE BETTER!Specifications:◆Size: 3/8"◆Set Includes: 5 drill bits 3/8 inch◆Material: High Speed Steel◆Angle Point: 118°◆Sank Type: Straight and Round Shank◆Packing: Plastic caseFeatures:1.3/8" drill bits made from High Speed Steel, which increases wear-resistance, durability and extra longer life span2.118° 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 faster3.Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance4.Perfectly Suitable for drilling holes as Stainless Steel, Copper, Cast Iron, Galvanized Pipe, Aluminum Alloy, Wood and Other Softer Metals5.This drill bit fits the majority of power drill currently on the market and for easy storage, DIY, household maintenance and repairInstructions for use:1.Keep the drill bits vertical to the object when drilling, Be sure to make both bit and work piece stable. Tilted bit is prone to break during drilling2.Control Speed and Pressure, When using bits with a power drill, it's recommended to use them with low speed and drilling pressure3.Drilling metal will accumulate an amount of heat. Necessary to use cooling liquid during drilling to keep the bit cool4.Thick metals are recommended to be drilled with drill press, which is more stable, and adjustableSafety instructions:1.Always wear safety goggles and safety items when drilling2.Do not wear gloves to avoid hazard of getting caught in the tool and pulling your hand in to get mangled during bit spinning3.Examine the bits before use for cracks or chips, Do not use damaged or bull bits

• 【HIGH QUALITY】 3/8" Twist Drill Bits for Metal Made from High Speed Steel, Which Increases Wear-resistance, Durability and Extra Longer Life Span, So That The Drill Bits Last Through Multiple Uses.
• 【118° SPLIT POINT】 118°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 3/8" 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.