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5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
Designed to work for all Metalworking, Industrial Projects, DIY Home or Workshops Repairing, Maintenance Works.
5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal
Item #: 224804948

5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal

Item #: 224804948

GBP 22

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Designed to work for all Metalworking, Industrial Projects, DIY Home or Workshops Repairing, Maintenance Works.
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Product Details

Shop 5Pcs HSS Cobalt Drill Bit Set, 21/64 in. Jobber Length, Twist Drill, Steel, Metal online at a best price in Guernsey. B0BQCZTF6L
  • Cobalt Drill Bit Size: 21/64"(Diameter) x 3-5/16"( Flute Length) x 4-5/8"(Overall Length)
  • HSS Cobalt Material: HSS(M35) Cobalt Steel Enable Long Drilling Life and Fast Drilling Performance
  • Surface Treament: Gold Oxided Ember Finished Treatment Keeps High Hardness of Body Shank of drill bit
  • Split Point 135 Deg. Drilling Angle: Split Point 135 Deg. Guarantee Self-Centering and Easy Quick Penetration of metalworking and steel drilling and cutting
  • Application: Drilling through stainless steel metal iron copper plastic and metalworking auto reparing maintenance and DIY home metal cutting
  • Spiral Twist Flute: The drill bit is designed with spiral twist flute ensures fast chips and debris removal during drilling application
  • Round Shank: Featured with standard round shank is vasertile with various chucking types of tool holders when drilling different material
Brand NamePEAK-CUT
ModelPCCO10P5P
Set Name5-piece set
Unit Count5.0 Count
ManufacturerMAX-CRAFT
Part NumberPCCO2164-5P
Number of Pieces100
Included ComponentsNO
Cutting Diameter0.33 Inches (0.8 cm)
Item Dimensions6 x 2 x 2 inches (15.2 x 5.1 x 5.1 cm)
Material TypeHigh Speed Steel (HSS)
Finish TypesGold
Shank TypeRound
Surface RecommendationMetal
Cutting Angle String135 Degrees
Tool Flute TypeSpiral
Point Stylepoint
Number of Flutes2
MaterialHigh Speed Steel (HSS)
Finish TypeGold

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Product Description

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Customer Questions & Answers

  • Question: What are HSS Cobalt Drill Bits and what advantages do they offer?

    Answer: HSS Cobalt Drill Bits are high-speed steel drill bits that contain cobalt, which enhances their hardness and heat resistance. This makes them ideal for drilling into tough metals like stainless steel and other hard materials. Their unique construction allows for better heat dissipation, reducing the risk of bit wear and prolonging the lifespan of the drill bit. They are particularly useful for industrial applications and metalworking tasks where precision and durability are crucial.
  • Question: What is the difference between M35 and standard HSS drill bits?

    Answer: M35 drill bits contain 5% cobalt, which differentiates them from standard HSS drill bits. This extra cobalt content increases their strength and wear resistance, making them suitable for drilling through harder materials such as alloy steels and titanium. M35 drill bits excel in high-speed applications and maintain their performance at higher temperatures compared to regular high-speed steel drill bits. This makes them a preferred choice for professionals seeking long-lasting performance in demanding environments.
  • Question: What is the significance of the 21/64 inch size in drill bits?

    Answer: The 21/64 inch size is a specific diameter measurement commonly required for certain hardware and fastening applications. This precise size is important for achieving accurate hole dimensions, ensuring a snug fit for screws, bolts, and dowels. Using the correct diameter helps avoid material failure and enhances overall project integrity, particularly in metalworking and construction tasks where compatibility is essential.
  • Question: Can HSS Cobalt Drill Bits be used for wood drilling?

    Answer: While HSS Cobalt Drill Bits can technically drill through wood, they are not the ideal choice for this material. Their design is optimized for metal drilling, and using them on softer materials like wood may lead to faster wear of the bit. For woodworking, it is advisable to use drill bits specifically designed for that purpose, as they provide cleaner cuts and are more efficient in handling wood fibers without snagging.
  • Question: How many drill bits come in the HSS Cobalt Drill Bit set?

    Answer: The HSS Cobalt Drill Bit set includes five drill bits, allowing versatility for various drilling tasks. This pack typically covers a range of sizes, enabling users to tackle multiple projects without the need to purchase additional bits. The presence of multiple drill sizes in one set makes it convenient for both professionals and DIY enthusiasts, ensuring they have the right size for different applications right at their fingertips.
  • Question: What is Jobber Length, and why is it important?

    Answer: Jobber Length refers to the standard length of drill bits, which typically ranges from 3 to 3.5 times the diameter of the bit. This length is important because it provides a balance between drill depth and rigidity, making it suitable for most drilling tasks. Jobber Length bits are long enough to drill deep holes while still being sturdy enough to resist bending or breaking during operation. This makes them ideal for general-purpose use, particularly in drilling through metal.
  • Question: Are these drill bits suitable for high-speed drilling applications?

    Answer: Yes, HSS Cobalt Drill Bits are particularly well-suited for high-speed drilling applications. Their cobalt content allows them to retain hardness at elevated temperatures, making them effective in conditions where standard drill bits would fail. This attribute is especially useful in industrial settings where time and efficiency are crucial, as they can bore through tough materials without generating excessive heat or becoming dull quickly.
  • Question: How should I maintain my HSS Cobalt Drill Bits?

    Answer: To maintain your HSS Cobalt Drill Bits, it's important to keep them clean and free of debris after each use. Store them in a protective case to prevent physical damage and consider applying a light oil coating for rust prevention if they are stored for extended periods. Regularly inspect the bits for wear and tear, and avoid using them beyond their capacity, as this can lead to irreparable damage. Proper maintenance extends the life of your drill bits, ensuring consistent performance.
  • Question: What materials can I drill with the HSS Cobalt Drill Bit set?

    Answer: The HSS Cobalt Drill Bit set is ideal for drilling various materials, including stainless steel, alloy steel, cast iron, and other hard metals. Due to their exceptional hardness and thermal resistance, these bits excel in applications that involve tough materials that standard drill bits cannot effectively penetrate. They are widely used in metalworking, automotive repairs, and fabrication to create clean, precise holes under challenging conditions.
  • Question: Where can I buy HSS Cobalt Drill Bit 21/64 in. HSS Co M35 Jobber Length Twist Drill Steel Metal-5Pcs?

    Answer: You can purchase the HSS Cobalt Drill Bit 21/64 in. HSS Co M35 Jobber Length Twist Drill Steel Metal-5Pcs on Ubuy. Ubuy offers a convenient way to shop for quality tools and hardware, ensuring you find the products you need quickly. They provide a reliable platform for checking availability and making your purchase.

PEAK-CUT Jobber Drill Bits Editorial Review

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