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Your Best HSS Twist Drill Bit Manufacturer and Supplier

The HSS Twist Drill Bit Produced by Our Factory

The manufacturing process of HSS Twist Drill Bit

raw material cutting

Raw Material Cutting

coarse grinding

Coarse Grinding

fine grinding

Fine Grinding

shank grinding

Shank Grinding

double angle

Double Angle

angle grinding

Angle Grinding

flute edge grinding

Flute Edge Grinding

sharping edge

Sharping Edge

Inspection process for HSS Twist Drill Bit

numerical control drilling and milling machine

Numerical Control Drilling And Milling Machine

yvm

YVM

hardness tester

Hardness Tester

punch former

Punch Former

5 axis inspection

5-Axis Inspection

cutting tool profile measuring system

Cutting Tool Profile Measuring System

Tenyu Tool Professional Production Workshop for HSS Twist Drill Bit

Support online face-to-face factory visits

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Concrete Diamond Blade 21

Qualification Certificate

Third-Party Verified Excellence: Engineering Confidence Into HSS Twist Drill Bit
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Voice of the World Exhibition

Tenyu Tool actively participates in trade shows around the world and visits our customers, we get closer to them and get more opportunities to present our hss twist drill bit.

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FAQs about: HSS Twist Drill Bit

Fully ground HSS drill bits are more precise than the rolled HSS drill bit, because they are ground to precision. Flute ground bits are manufactured from a solid steel blank, where the flutes are ground out producing a smoother cut. On the other hand rolled bits are heated and twisted to accomplish, and can be designed for general purpose applications.

HSS twist drills can be used on wood, but those with purpose for the material would do better. Although high-speed steel is suitable for most applications, standard wood drill bits can be used to drill into other materials and wood-tipped bits clean debris out of the hole as you work. To achieve our best results we recommend to use this drill bit with a high speed steel bit based on the type of wood being drilled.

There is no such thing as the best treatment that works universally for HSS drill bits. Stronger and Less friction:The Titanium Nitride (TiN) coating on it vastly increase the hardness of TPU, prevents corrosion and decreases friction substantially. Or alternative the black oxide is great for corrosion resistance; both of these finishes are beneficial according to what materials and environment the drill bit will be used in.

Selecting the size of the drill bit is key to producing properly dimensioned holes. First, accurately measure the diameter of hole you need to drill. Choose a drill bit that matches this measurement. A drill bit set can be helpful in determining which size suits your high speed steel needs.

The best selection of shank type depends on the drill chuck and application. Straight shanks are the most conventional and widely used. This straight shank bit is perfectly adapted and hex shanks offer a secure chuck grip. Tapered shanks work better with larger bits, providing perfect power transmission while drilling.

To maximize the service life of HSS twist drill bits, it is necessary to ensure that they are washed and sharp. Keeps them stored in a drill bit set or rack without damage. Check for wear and, re-sharpen as required. Cutting fluid can help to reduce heat and friction when drilling into metal. The lifespan of high speed steel tools will also be drastically improved with routine maintenance.

Table of Contents

Professional HSS Twist Drill Bits: High-Precision Cutting Solutions for Industry

Welcome to our comprehensive guide on professional HSS twist drill bits. As a leading manufacturer, Tenyu Tool provides high-precision cutting solutions designed for a variety of industrial applications. Our HSS drill bits are engineered to deliver exceptional performance, whether you’re working with metal, wood, or plastic.

Understanding HSS Twist Drill Bits

Understanding HSS twist drill bits is crucial for achieving optimal drilling performance. HSS, or high-speed steel, is a type of tool steel renowned for its hardness and resistance to heat, making it ideal for high-speed cutting applications across various materials.

What is HSS and Its Applications?

HSS, or high-speed steel, is a subset of steel specifically designed for its hardness and heat resistance. High-speed steel is perfect for creating cutting tools and, therefore, often used in different drill bits. These HSS twist drill bits excel at drilling through metal, wood, and plastic.

Types of HSS Twist Drill Bits

Here are several common types of HSS twist drill bits, each designed for particular applications:

  • Jobber length
  • Stubby length
  • Long length

Cobalt HSS drill bits are used for the tough application of cutting into hardened steel, while titanium-coated bits extend tool life.

types of hss drill bits

Benefits of Using HSS Twist Drill Bits

Using HSS twist drill bits offers numerous advantages. The hole saws are all designed for intensive use and can withstand extremely high temperatures and heavy duty applications. The twist shape eliminates debris, reducing heat build-up and drill faster as well as providing extra fine holes to sliced wood.

Specifications and Standards of HSS Drill Bits

Understanding the specifications and standards of HSS drill bits is essential for selecting the right tool for the job. Standards such as DIN and ANSI define the dimensions, tolerances, and material properties of drill bits, ensuring consistent performance and interchangeability.

DIN vs. ANSI Standards

DIN and ANSI standards are two primary sets of specifications governing the manufacturing of HSS twist drill bits. The DIN ranges are based on Deutsches Institut für Normung (DIN) standards, while the ANSI ranges are based on American National Standards Institute (ANSI) standards in North America.

Common Sizes and Lengths

HSS drill bits are available in a wide range of sizes and lengths to accommodate various drilling needs. Lengths with the most common range from fractional inches to five or six inches; though, specialty miniature bits are shorter.The most common twist drill bit (sold in general hardware stores) has a point angle of 118 degrees, acceptable for use in wood, metal, plastic, and most other materials, although it does not perform as well as using the optimum angle for each material.

Understanding Shank Types: Straight vs. Hex Shank

The shank of an HSS drill bit is the part that secures into the drill chuck. The straight shank bit is the most common type and it has four shapes for versatility with standard drill chucks. In hex shank drill bits, the grip is more firm for no accidental slip and effective power transfer.

straight vs. hex shank

Comparing HSS Materials

M2, M35, and 4241 Steel Characteristics

When selecting HSS twist drill bits, understanding the characteristics of different high-speed steel grades is crucial. M2 high-speed steel offers good wear resistance and toughness, and is suitable for general-purpose applications. Added cobalt increases heat resistance and red hardness making it ideal for drilling tough materials. Meanwhile, economical 4241 high-speed steel is used for less demanding tasks. When selecting the best material, you’ll want to consider your application and the materials you are working with.

Cobalt vs. Non-Cobalt Bits

Cobalt HSS drill bits, distinguished by their high-speed steel composition enriched with cobalt, offer superior heat resistance and hardness compared to their non-cobalt counterparts. Cobalt HSS is designed for drilling in hard materials, such as stainless steel, cast iron and hardened materials. Other non-cobalt HSS twist drill bits are in lower price range and very suitable for softer materials like wood, plastic and light mild steel. Whether you choose cobalt or non-cobalt drill bits will depend on the drilling application.

cobalt vs. non cobalt bits

Surface Treatments: TiN, Black Oxide, and Bright Finish

Surface treatments play a significant role in enhancing the performance and longevity of HSS twist drill bits. Surface Titanium Nitride (TiN) coating increases the surface hardness of the bit to improve drilling/slick decrease bit wear; neither of which has a great effect because this punch was made for punching metal. Black oxide finish provides mild corrosion resistance and great appearance and chip flow, while the drill bright finish provides a polished surface on the tool that helps increase chip flow in soft materials. Surface treatment for drill bit should be decided with function of drilling and material tolerlance, to gain better performance and long life.

Applications of HSS Twist Drill Bits

Drilling in Metal and Wood

HSS twist drill bits are versatile tools suitable for a wide range of applications in both metal and wood drilling. In metal drilling, HSS drill bits an do a good job to make precise holes in steel, aluminum and other metals. In woodworking, these bits are used to efficiently bore holes in a wide variety of woods, including softwoods and hardwoods, leave an excellent pre-drilled finish and are a great choice for almost all drilling applications. The right drill bit size and type, plus good drilling techniques, give you the ability to drill through metal or wood.

Special Considerations for Stainless Steel

Drilling stainless steel requires special considerations due to the material’s high strength and work-hardening properties. Cobalt high-speed steel twist drill bits are highly recommended for this application, These cobalt drill bits have superior wear resistance and heat resistance, you can use it to drill on stainless steel. Using slow drill speeds, cutting oil and light pressure can help reduce work hardening material which leads to reduced tool life for drills. Dependig on high speed steel and the procedure, accurate hole creation can be done in stainless steel.

applications of hss drill bits

 

Using HSS Bits in Industrial Settings

In industrial settings, HSS drill bits are indispensable tools for a variety of machining and manufacturing processes. These high speed steel bits are for making holes in material such as metal, plastic and composites resulting in quality work. HSS bits are ideal for production work where the same size hole is being drilled in a relatively small amount of time, especially high efficiency drilling into wood, softwood and hardwood. Use the correct type of HSS bit when drilling (cobalt or titanium coated) into a particular material for best performance.

Choosing the Right HSS Twist Drill Bit

Factors to Consider: Material, Size, and Length

When choosing an HSS twist drill bit, carefully consider the material you’ll be drilling. The right size and length is essential for efficient cutting, depending on the hole dimensions required. Selecting the appropriate material is equally important, depending on the hole dimensions required. A high-speed steel twist drill is an ideal tool for getting the job done efficiently.

Recommended Drill Bit Sets for Different Applications

For various applications, a drill bit set can provide versatility. A high-speed steel drill bit set often includes a range of sizes, catering to different needs. Look for a set that matches your typical applications, ensuring you always have the right tool for the task at hand. The range of sizes in a drill bit set is essential to success.

packaging hss drill bit

Customization Options for OEMs

For OEMs, customization options can enhance the value of HSS twist drill bits. Customization allows for tailored products that match specific requirements, from unique sizes and lengths to specialized coatings. Consider partnering with a manufacturer that offers these services to create unique, high-quality products. The customization options for high-speed steel products are important.

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