Wholesale din 338

DIN 338 is a German standard specifying the dimensions, tolerances, and material properties of twist drills. Understanding these specifications is crucial when sourcing wholesale DIN 338 drills, ensuring quality and compatibility with your applications. This guide provides a detailed overview of DIN 338 drills, covering materials, types, applications, and how to find reliable wholesale suppliers.

Understanding DIN 338 Standards

DIN 338, established by the Deutsches Institut für Normung (German Institute for Standardization), outlines the precise requirements for high-speed steel (HSS) twist drills. These standards cover key aspects such as:

• Overall Length: Specified based on drill diameter.
• Flute Length: Length of the cutting edges of the drill.
• Shank Diameter: Typically cylindrical, matching the drill diameter for smaller sizes, and reduced for larger sizes.
• Helix Angle: Angle of the flutes, influencing chip evacuation.
• Point Angle: The angle of the drill point, usually 118° or 135°.
• Material: Primarily HSS (High-Speed Steel), with variations like HSS-G (ground), HSS-R (rolled), and HSS-Co (cobalt alloyed).

Types of DIN 338 Drills

While all DIN 338 drills adhere to the same dimensional standards, variations exist based on their manufacturing process and intended use:

HSS-R (Rolled) Drills

These drills are manufactured using a rolling process, making them economical for general-purpose drilling. They are suitable for softer materials like wood, plastic, and non-ferrous metals.

HSS-G (Ground) Drills

HSS-G drills undergo a grinding process after hardening, resulting in more precise dimensions and sharper cutting edges. They are better suited for harder materials and provide improved drilling accuracy. Wayleading Tools recommends these for metalworking applications. Consider browsing our selection of high-quality HSS-G drills.

HSS-Co (Cobalt Alloyed) Drills

These drills contain a percentage of cobalt, enhancing their heat resistance and hardness. They are designed for drilling stainless steel, hardened steel, and other tough alloys where high heat generation is a concern.

Applications of DIN 338 Drills

DIN 338 drills are versatile and used in a wide range of applications, including:

• Metalworking: Drilling holes in steel, aluminum, and other metals.
• Woodworking: Creating holes in wood for screws, dowels, and other fasteners.
• Construction: Drilling pilot holes for screws and anchors in various materials.
• DIY Projects: General-purpose drilling for home repairs and hobbies.
• Manufacturing: Production drilling in various industries.

Selecting the Right DIN 338 Drill

Choosing the correct DIN 338 drill depends on the material being drilled and the desired precision:

• Material Hardness: Harder materials require HSS-G or HSS-Co drills.
• Drilling Accuracy: HSS-G drills offer better precision than HSS-R.
• Heat Generation: For high-heat applications, HSS-Co drills are recommended.
• Drill Size: Select the appropriate diameter based on the hole size required.

Finding Reliable Wholesale DIN 338 Suppliers

Sourcing wholesale DIN 338 drills requires careful consideration to ensure quality and competitive pricing. Look for suppliers that offer:

• Certification: Suppliers who can provide certificates of compliance with DIN 338 standards.
• Variety: A wide range of drill sizes and types to meet your specific needs.
• Competitive Pricing: Compare prices from different suppliers to find the best value.
• Reliable Delivery: Ensure timely and reliable delivery to minimize downtime.
• Customer Support: Responsive customer support to address any questions or concerns.

When considering suppliers, remember to:

• Request Samples: Order samples to evaluate the quality of the drills before placing a large order.
• Check Reviews: Look for online reviews and testimonials to assess the supplier's reputation.
• Inquire about Warranties: Understand the supplier's warranty policy in case of defects or issues.

DIN 338 Drill Sizes and Specifications

The DIN 338 standard specifies a range of drill diameters. Here's a table summarizing some common sizes and their corresponding flute and overall lengths (dimensions are approximate and may vary slightly by manufacturer):

Disclaimer: Data is indicative. Always consult the manufacturer's specifications for precise dimensions.

Conclusion

Sourcing wholesale DIN 338 drills requires understanding the standards, selecting the right type for your application, and choosing a reliable supplier. By following the guidelines in this comprehensive guide, you can ensure you are getting high-quality drills at competitive prices. Wayleading Tools is committed to providing top-quality tools for your business. We invite you to contact us to explore our range of DIN 338 drills and other cutting tools. Our experienced team can assist you in selecting the perfect tools for your specific applications.

Disclaimer: The information provided in this article is for general informational purposes only. Always consult with a qualified professional for specific advice related to your particular needs.

Source: ISO Standards Organization - Provides information on various international standards, including those related to drill dimensions and materials.