Top 10 Best Drill Bit For Cast Iron Reviews In 2023

Features :

• 【5Pcs 3/8″ Cobalt Drill Bits】5Pcs – 3/8”(Dia 9.26mm) x3-5/8”(Flute Length 92.08 mm) Metal 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 organization.
• 【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.
• 【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
• 【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. ✔ Pay attention to speed, pressure and heat control during drilling.
• 【90 Days Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement.

Features :

• 🔨[Various Sizes] 29 sets of drill bits include 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″, 17/64″, 9/32″, 19/64″, 5/16″, 21/64″, 11/32″, 23/64“, 3/8″, 25/64″, 13/32″, 27/64″, 7/16, 29/64, 15/32″, 31/64″, 1/2″, can meet more needs
• 🔨[M35 Cobalt Drill Bit] The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc
• 🔨[Quick and Efficient] The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal
• 🔨[HSS Drill Bit Set] HSS cobalt drill bit set for hardened steel with excellent cutting performance. 29 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling
• 🔨[Easy Storage] The drill set includes drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. If you have any questions, please feel free to contact us and we will be happy to help you

Features :

• 【Premium True 5% Cobalt Steel with 68 HRC】- The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 5% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 3X Heat,Wear and Chip Resistance and 3X Tool Life.
• 【Split Point Design and Fully Ground Process】- Compared with Other Ordinary Drill Bits, This Drill Bits Set is Particularly Suitable for Heavy Duty Work, Such as Cutting through Stainless Steel,Steel Plate,Iron Sheet, Cast Iron and Hardwood, and Drilling Out Bolts Studs and Screws.
• 【3X Efficiency + 3X Tool Life】- This Cobalt High Speed Steel Drill Bits Set is Typically Capable of Running 3 Times Faster. Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
• 【Sharp Drill Bit Edge】- This Kind of Drill Bits Beast Can Even Cut Hardened Metal into Long Iron Bars, While a Dull Drill Bit Can Just Slowly Wear Through Metal.
• 【13 Pieces Jobber Length Industrial Drill Bits Includes】:1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4 [DIA 1/64 Inch Increments]

Features :

• UNIQUE 3X FLUTE DESIGN – Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience.
• 4X LIFESPAN MATERIAL – Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF.
• MULTIPLE APPLICATION – Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron.
• SMOOTHLY DRILLING – 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking.
• 1/2″ COBALT DRILL BIT – Round straight shanks, include 5 pack 1/2-inch diameter hss drill bit with well organized clear ps case.

Features :

• Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
• Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
• High-heat resistant bits – withstand high-temperature applications for extended periods of time
• Thick web-helix design – provides additional stability in tough applications
• Surface-hardened tip – penetrates tough abrasive materials
• Includes – 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″, 7/32″, 1/4″, 5/16″, 3/8″, 1/2″

Features :

• 【HIGH-QUALITY MATERIALS】1/4″ drill bit set for metal is made of M35 cobalt high speed steel, containing 5% cobalt, which increases wear resistance and durability, and enhances its using efficiency.
• 【PRECISE AND FAST】135° Quick cut flow point, precise positioning, lower pressure, fast penetration. Equipped with a straight shank to prevent walking, making drilling more precise and fast.
• 【SPECIAL DESIGN】Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance.
• 【WIDELY USED】Our drill bits set is perfect for drilling various materials, such as stainless steel, copper, cast iron, galvanized pipe, aluminum alloy, wood and other soft metals. NOT suitable for glass, stone or ceramic materials.
• 【EASY TO USE】10Pcs 1/4″ Cobalt Drill Bits, manufactured according to German DIN338 standard. These drill bits fit the majority of power drills currently on the market and come with a portable plastic case. Perfect for DIY , household maintenance and repair.

Features :

• Material: Made of alloy steel, it provides a combination of hardness and toughness to improve wear resistance, and undertakes complex drilling tasks in places where accuracy is crucial.
• Function: All-grinding spiral groove design can quickly remove particles, reduce friction and heat, and thus improve drilling performance.
• No center punch needed: The 135° fast cutting points is self-centering, and it can quickly penetrate with less pressure.
• Fitment: The twist drill are very suitable for drilling holes, such as stainless steel, copper, cast iron, galvanized pipe, aluminum alloy, wood and other soft Metals.
• Easy use and storage: This set of metal twist drill includes 10PCS 1.2mm drills., which is convenient for storage, DIY, home maintenance and repair.

Features :

• PREMIUM MATERIAL: Manufactured from 4241 high speed steel for strength and durability
• STORAGE: Supplied in a plastic storage box for easy storage and transportation
• Widely USED: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass
• PROCESS TREATMENT: Titanium coated surface prevent rusting,which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life
• Size Includes: 32 Piece 1mm, 30 Piece 1.5mm, 30 Piece 2mm, 30 Piece 2.5mm, 20 Piece 3mm, 20 Piece 3.5mm , 12 Piece 4mm, 12 Piece 4.5mm, 12 Piece 5mm , 8 Piece 5mm , 4 Piece 6mm, 6 Piece 6.5mm, 4 Piece 7mm, 2 Piece 7.5mm, 3 Piece 8mm, 2 Piece 8.5mm, 1 Piece 9mm, 1 Piece 9.5mm, 1 Piece 10mm

Features :

• 【Premium Hss Titanum Coating】Bits made from superior Hss material titanium coated for long-lasting strength and durability. Improved flexible holding frame replaces the original direct injection molding on plastic case to avoid bits falling off and mixed after repeated use.
• 【135 °Split-Point Design】 Self centering 135 degree split point increases cutting speed & reduces bit slip and walking, with premium higher grade HSS material tapered web provides greater durability to reduce breaking.
• 【 Drill Precise Holes】The cutting edge of each titanium drilll bit is hardened and honed for sharpness. It also features a chatter-free design with staggered cutting teeth to ensure precise countersinking and clean, smooth holes.
• 【Multipurpose Use】 Ideal for drilling in metal, wood, fiber glass and plastics, Not for use on Concrete or Masonry.
• 【What you get】21pcs titanium drill bit set include different sizes: 1/16″ x 2, 5/64″ x 2, 3/32″ x 2, 7/64″ x 2, 1/8″ x 2, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″, 5/16″, 3/8″, 1/2″.
• 【Well Organized】Well Organized – All sizes are indexed on tray to keep all components organized to avoid bits straggling and mixing.

Features :

• What You Get: This drill bit set for metal includes 5 – 3/8 Inch x 5 Inch bits of the same size.
• A Must in Your Tool Box: This cobalt drill bit set is designed to surpass your expectations in terms of durability and performance, ensuring fast and easy penetration through hard metals.
• Heavy-Duty Material: Our drill bits for hardened steel feature a heavy-duty construction made with M35 cobalt, which has excellent durability and superior resistance against abrasion and high heat.
• Pilot Point Tip: These cobalt drill bits feature a pilot point tip that prevents slipping and can help increase drilling speed while ensuring smooth and easy penetration through hard metals.
• Wide Range of Applications: Our cobalt drill bits for hardened steel are suitable for hard metals, stainless steel, cast iron, steel, titanium alloy, hard plastics and more, and a wide range of applications such as repair, construction, or woodworking.