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21/64 Fractional Mechanics Length Step Point Drill Bit KnKut Brass USA-0

21/64 Fractional Mechanics Length Step Point Drill Bit KnKut Brass USA

Original price was: $21.90.Current price is: $20.81.
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Cle-line C21165 Length Drill Set 1875R HSS 1/16-1/2 Black Gold

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Cle-line C21165 Length Drill Set 1875R HSS 1/16-1/2 Black Gold-0

KnKut 15/64 Fractional Mechanics Length Step Point Drill Bit

Original price was: $16.01.Current price is: $15.21.

The KnKut 15/64 fractional mechanics length step point drill bit is engineered for precision drilling in hard metals such as steel, brass, and sheet metal. Its split point step design self centers on contact, eliminating the need for a center punch and allowing you to enlarge existing holes without damaging the tip. Constructed from alloy steel with a brass finish, this compact 3 flat shank bit delivers durability and a shorter sturdier profile for tight space applications.

9999 in stock
SKU: CJMVZZB09VYB Category:
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Description

Product Overview

The KnKut 15/64 fractional mechanics length step point drill bit combines precision engineering with durable materials to meet the demanding needs of professional mechanics and hobbyist metalworkers. Crafted from high‑grade alloy steel and finished with a brass coating, the bit offers exceptional hardness, corrosion resistance, and a smooth cutting experience. Its 3‑flat shank provides a secure grip in most standard drill chucks, while the compact length reduces flex and improves control in tight spaces. The step point design initiates cutting on contact, self‑centering the bit and eliminating the need for a separate center punch, which speeds up workflow and reduces setup time.

Measuring just 3.46 inches in overall length with a 0.24‑inch diameter shank, this drill bit is engineered for a balance of rigidity and maneuverability. The straight flute geometry ensures efficient chip evacuation, reducing heat buildup and extending tool life. With two flutes, the bit delivers a clean, burr‑free finish on a variety of metals, including hardened steel, brass, sheet metal, and even acrylics. The brass finish not only adds a premium aesthetic but also enhances heat dissipation during prolonged use.

Designed in the United States, the KnKut 15/64 fractional mechanics length step point drill bit adheres to strict quality standards. Each unit undergoes rigorous testing for dimensional accuracy, hardness, and surface finish before it leaves the factory. The product is backed by a manufacturer warranty, reflecting confidence in its long‑term performance and reliability. Whether you are enlarging existing holes, creating new openings, or performing precision work on delicate components, this drill bit offers the consistency and durability required for professional results.

[Product front view showing all components]

Usage

This drill bit excels in a wide range of applications where accuracy and durability are paramount. It is ideal for automotive repair shops, aerospace maintenance, industrial fabrication, and home workshops where hard metals are frequently encountered. The step point design allows users to start drilling without pre‑drilling a pilot hole, making it perfect for quick repairs and on‑the‑fly adjustments. Its ability to enlarge existing holes without damaging the surrounding material makes it a valuable tool for re‑threading bolts, fitting oversized fasteners, or creating clearance holes for wiring and tubing.

Because of its short, sturdy construction, the bit is well‑suited for work in confined spaces such as engine bays, gearboxes, and tight assemblies where longer bits would flex or be difficult to control. The 15/64 inch (approximately 0.234 inch) diameter provides a versatile size that fits many standard fastener specifications while still being small enough to handle delicate tasks. The brass finish helps dissipate heat, allowing extended use without overheating, which is especially beneficial during repetitive drilling operations.

Professionals who require consistent results across multiple projects will appreciate the bit’s ability to produce clean, round holes with minimal burrs, reducing the need for secondary deburring processes. Its compatibility with standard hand‑powered drills and cordless impact drivers makes it a flexible addition to any tool kit, whether powered by electricity or manually operated. The bit’s performance on acrylics also opens possibilities for use in electronics housings, prototype enclosures, and decorative metalwork.

Why Choose Us

Choosing the KnKut 15/64 fractional mechanics length step point drill bit means investing in a product that prioritizes quality, performance, and user satisfaction. Each bit is manufactured using a precise heat‑treatment process that achieves a Rockwell hardness rating suitable for drilling hardened steel, ensuring the cutting edges retain their shape even after extensive use. The brass coating not only adds a premium look but also provides an additional layer of protection against rust and wear, extending the tool’s service life.

Our commitment to American manufacturing means that every component is sourced and assembled domestically, supporting local industry and ensuring strict adherence to quality control standards. The product’s UPC and GTIN numbers guarantee traceability and authenticity, giving you confidence that you are receiving a genuine KnKut item rather than a generic substitute. The inclusion of a manufacturer warranty underscores our confidence in the durability and reliability of the drill bit.

Customer feedback consistently highlights the bit’s self‑centering capability and the ease with which it enlarges existing holes without compromising the integrity of the surrounding material. With a 5‑star rating based on multiple reviews, users praise its balance of strength, precision, and ease of use. The design’s focus on reducing setup time and eliminating the need for additional tools translates into increased productivity and lower operational costs for businesses.

In addition to the product itself, KnKut provides responsive customer support and after‑sales service. Should you encounter any issues or have questions about optimal usage, our knowledgeable team is ready to assist, ensuring you get the most out of your investment. This comprehensive support package, combined with the product’s superior engineering, makes the KnKut 15/64 fractional mechanics length step point drill bit a smart choice for both seasoned professionals and serious DIY enthusiasts.

Key Features

  • Self‑centering step point design starts cutting on contact, eliminating the need for a separate center punch and speeding up workflow.
  • High‑grade alloy steel core with a brass finish provides exceptional hardness, corrosion resistance, and heat dissipation for long‑lasting performance.
  • Compact 3‑flat shank length reduces flex, offering superior control in tight spaces and improving accuracy on delicate components.
  • Versatile application on hardened steel, brass, sheet metal, and acrylics makes it a go‑to tool for automotive, aerospace, and hobbyist projects.
  • Manufacturer warranty and dedicated customer support ensure peace of mind and reliable after‑sales assistance.

FAQ

What materials can this drill bit effectively drill?

The KnKut 15/64 fractional mechanics length step point drill bit is designed to perform well on a range of metals, including hardened steel, brass, and sheet metal. Its robust alloy steel construction and brass coating also allow it to cut acrylics and other non‑metallic materials without excessive wear, making it a versatile choice for mixed‑material projects.

Do I need a center punch before using this bit?

No. The step point design of this drill bit self‑centers on initial contact, which removes the need for a separate center punch. This feature saves time during setup and reduces the number of tools required for a job, especially when working on small or delicate workpieces.

Can this bit be used with a cordless impact driver?

Yes. The 3‑flat shank is compatible with standard drill chucks found on both corded drills and cordless impact drivers. While the bit performs best at moderate speeds, it can handle the higher torque of an impact driver for quick hole enlargement tasks, provided you monitor speed to avoid overheating.

How does the brass finish benefit the drill bit?

The brass finish serves multiple purposes: it enhances corrosion resistance, provides a smoother surface that reduces friction during drilling, and improves heat dissipation. This combination helps maintain cutting efficiency during prolonged use and extends the overall lifespan of the bit.

What warranty does KnKut offer for this product?

KnKut provides a manufacturer warranty that covers defects in materials and workmanship. If you encounter any issues related to the quality of the drill bit, you can contact KnKut’s customer service for a replacement or repair, ensuring you receive reliable support after purchase.

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