Drill bit performance depends on the materials used in manufacturing. In industrial production, different materials are selected based on hardness, durability, and application requirements.

At DLTC, we mainly produce HSS drill bits and SDS hammer drill bits, which are widely used in metalworking, construction, and concrete drilling applications.

This page introduces the main drill bit materials used in our production system.

HSS Drill Bit Materials (Main Product Line)

HSS drill bits material types including 4241 4341 M2 and M35 cobalt drill bits
HSS drill bits material types including 4241 4341 M2 and M35 cobalt drill bits

HSS 4241

General-purpose material used for soft metals, wood, and plastic drilling applications. It is suitable for basic industrial use and cost-efficient production.

HSS 4341

Improved hardness compared to 4241, providing better heat resistance and longer tool life for general metal drilling applications.

HSS M2

Industrial standard HSS material used for professional drilling applications, offering a balance of hardness and toughness.

HSS M35 (Cobalt)

High-performance material with cobalt content, designed for stainless steel and high-hardness metal drilling applications.

SDS Drill Bit Materials

SDS Plus drill bit for concrete drilling
SDS drill bit structure showing carbide tip and steel body

SDS drill bits are designed for concrete and masonry drilling applications. Their structure is different from HSS drill bits and consists of two main material parts.

Carbide Tip (YG8)

tungsten carbide YG8 drill bit tip for concrete drilling
tungsten carbide YG8 drill bit tip for concrete drilling

The drill tip is made of tungsten carbide (YG8), which provides high hardness and excellent impact resistance for concrete drilling.

Steel Body (40Cr)

40Cr steel body of SDS hammer drill bit for impact drilling

The body of SDS drill bits is made of 40Cr alloy steel, which provides strength, toughness, and durability during hammer drilling operations.

How We Select Drill Bit Materials

We select materials based on:

  • Drilling application (metal / concrete)
  • Required hardness level
  • Heat resistance requirements
  • Tool lifespan expectations

HSS vs SDS Drill Bit Material Differences

  • HSS drill bits are used for metal drilling
  • SDS drill bits are used for concrete drilling
  • HSS focuses on hardness and cutting performance
  • SDS focuses on impact resistance and durability

Conclusion

Our drill bits are manufactured using carefully selected materials to ensure stable performance across different industrial applications. HSS drill bits (4241, 4341, M2, M35) are ideal for metal drilling, while SDS drill bits with carbide tips are designed for concrete and masonry applications.

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