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The Busch® Pointed Burs FIG 5 3.30mm (ISO #033)
are high-quality tools designed for precision jewelry crafting. Made from tungsten
vanadium steel, these burs offer exceptional strength, durability, and wear
resistance, ensuring long-lasting performance even with extensive use. The 3.30mm
diameter and pointed design are perfect for achieving intricate,
detailed shapes and carvings on various jewelry materials, including precious
metals like gold, silver, and platinum.
These burs are precision-machined with uniformly spaced
teeth, allowing for smooth, accurate cuts that are essential for detailed
engraving and shaping. Each pack contains 6 burs, providing excellent
value for jewelers and engravers who demand high-quality tools for their work.
The ISO #033 standard guarantees consistency and international quality,
making these burs a trusted choice for professionals worldwide.
The maximum safe speed varies depending on the
bur size, and this information is provided on the packaging. For optimal
cutting efficiency and to extend the lifespan of the burs, a proper lubricant
is recommended during use. The burs measure approximately 1-3/4" long
with a 3/32" shank, ensuring compatibility with most standard
rotary tools.
Busch® Pointed Burs are available in various
sizes, ranging from 0.60mm to 5.00mm, and feature a 42.0° angle
for superior cutting precision. These burs are sold in packs of 6 and are
manufactured in Germany to the highest standards of quality and
precision.
- Brand: Busch®
- Product Type: Pointed Burs (FIG 5)
- Diameter: 3.30 mm
- Length (Cutting Head): 4.30 mm
- Shank Diameter: 3/32" (2.35 mm) – standard fit for most rotary tools
- Quantity: 1/2 Dozen (6 burs per pack)
- Material: Premium Tungsten Vanadium Steel
- Design: Precision-pointed tip for controlled shaping, engraving, and fine detailing
- Application: Ideal for gemstone setting, metal engraving, jewelry repair, and fine detailing in gold, silver, platinum, and other soft or hard metals
- Durability: Engineered for exceptional wear resistance and heat tolerance, ensuring prolonged tool life even under extended use
- ISO Classification: ISO #033 – compliant with international quality standards
- Cutting Angle: 42°
- Maximum Safe Speed: Varies by bur size (refer to packaging for specific RPM guidelines)
- Lubrication: Strongly recommended (e.g., Busch Lube-Stik) for reducing friction, improving cut quality, and extending bur life
About this Item:
The Busch® Pointed Bur FIG 5, 3.30mm is a high-performance tool built for precision metalwork. Designed and manufactured in Germany to exacting standards, it features a fine pointed shape ideal for engraving, drilling, texturing, and shaping intricate jewelry components. Whether you're a bench jeweler, setter, or repair specialist, this bur offers a balance of control, accuracy, and durability.
These burs are precision-machined with consistent tooth spacing for smooth and chatter-free operation, making them perfect for detailed tasks where accuracy is critical. Their robust steel composition ensures they retain sharpness over time, even when used on harder alloys.
Key Benefits & Features:
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Precision Pointed Design: The 3.30mm tapered tip allows for clean entry into tight spots, essential for accurate carving and engraving
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Professional Grade: Preferred by jewelers, stone setters, and engravers for high-precision work
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Compatible with Most Tools: Fits all rotary handpieces and micromotors that accept 3/32" shank burs
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Versatile Metal Use: Cuts smoothly through gold, platinum, silver, copper, brass, and more
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Low Vibration Performance: Uniform fluting ensures steady, controlled operation
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Economical 6-Pack: Great value for professionals who need multiple burs on hand
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Heat-Resistant Cutting Edges: Designed to reduce tool wear and friction when paired with lubricant
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Engineered in Germany: Trusted Busch® quality since 1905
How to Use:
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Mount securely into a rotary handpiece (e.g., flex shaft, micromotor, or Dremel).
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Start at a moderate RPM (check packaging for max speed).
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Use steady, controlled pressure—avoid forcing the bur.
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Apply a bur lubricant during operation to prevent overheating and prolong tool life.
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After use, clean the bur with a soft cloth and mild detergent; dry thoroughly before storing.
Safety Information:
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Always wear protective eyewear when operating rotary tools
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Keep tools away from moisture and store in a dry, dust-free environment
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Do not exceed the recommended RPM for the bur size
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Keep out of reach of children
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Features
- Precision Pointed Design: The 3.30mm pointed tip is perfect for fine, intricate work, allowing for precision engraving, carving, and detailing in tight or delicate areas.
- Pack of 6: Each pack contains 6 high-quality burs, giving jewelers and craftspeople a convenient, cost-effective supply with less frequent need for reordering.
- High-Quality Steel Construction: Crafted from premium tungsten vanadium steel for maximum strength, sharpness retention, and resistance to wear and heat.
- ISO #033 Standard: Manufactured to strict ISO #033 standards, guaranteeing international precision and consistency for professional-grade performance.
- Versatile Compatibility: Works seamlessly on precious and non-precious metals including gold, silver, platinum, copper, and brass—ideal for a wide range of jewelry-making and metalworking tasks.
- Smooth Cutting Action: Precision-ground teeth ensure clean, smooth cuts with minimal chatter, reducing the risk of damaging delicate pieces.
- Durable and Reliable: Designed for consistent use, these burs maintain cutting performance over time, even under continuous professional workloads.
- Universal Fit: 3/32" (2.35mm) shank diameter fits most standard rotary tools including flex shafts, Dremels, and micromotors.
- Optimized Geometry: The 42° pointed angle provides excellent control and cutting access for stone setting, fine texturing, and undercutting.
- Made in Germany: Engineered to the highest standards by Busch®, a trusted manufacturer of precision tools since 1905.
- Lubrication Recommended: Using a suitable lubricant like Busch® Lube-Stik improves cutting efficiency and significantly extends bur life.
- Low Vibration Operation: Precision machining ensures balanced rotation for reduced tool vibration and enhanced user comfort.
- Excellent for Fine Detailing: Perfect for tasks requiring pinpoint accuracy such as pave setting, prong finishing, gallery creation, and micro-engraving.
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