Dormer Drill Bit HSS 11/64″

118.00

  • TiN-Tip Thermal Barrier The Titanium Nitride coating at the point reduces friction and dissipates heat, allowing for faster feed rates and a service life up to three times longer than standard uncoated HSS bits.

  • Precision Self-Centering Equipped with a 118° split point geometry, the bit bites into the material immediately. This eliminates “walking” or “skating” and removes the need for a center punch, which is especially helpful for smaller, more delicate holes.

  • Efficient Chip Removal Features optimized flute geometry designed to lift and evacuate swarf rapidly. This prevents clogging and heat buildup, ensuring a smooth finish on the internal hole walls.

  • Wide Material Versatility Engineered to perform exceptionally well across a broad spectrum of materials, including alloyed steel, carbon steel, cast iron, and non-ferrous metals like aluminum.

  • Steam Tempered Finish The body features a steam-tempered (blue) finish that improves the retention of cutting lubricants, ensuring the bit remains cool and lubricated during continuous drilling.

  • Universal Shank Fit With a diameter of 4.37mm, this bit is fully compatible with all standard drill chucks, making it ideal for both handheld cordless drills and stationary drill presses.

Description

The Dormer A002 HSS TiN-Tip 11/64″ is a professional-grade, high-performance jobber length drill bit. This fractional size is a precision tool frequently used in mechanical assembly and is the recommended tap drill size for No. 10–24 UNC threads in certain materials. This 11/64″ (4.37mm) bit features Dormer’s flagship TiN-Tip technology. By combining a tough High-Speed Steel (HSS) body with a Titanium Nitride (TiN) coating on the cutting edge, this bit offers extreme surface hardness at the point of contact while maintaining the flexibility needed to resist breakage in smaller diameter applications.

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