Diamond Core Drills For Quartz

Diamond Core Drills For Quartz manufactured with our carbide/cobalt metal bond engineered to deliver superior performance.  Quartz (fused silica) and other advanced materials, drilling accuracy, surface integrity and tool longevity are critical. Ordinary tools frequently underperform due to quartz’s high brittleness and hardness.

Why Quartz is Particularly Challenging

Quartz (fused silica) is an ultra-pure, non-crystalline form of silicon dioxide produced by melting natural quartz or synthetic silicon tetrachloride at high temperatures.
Its characteristics:

Extremely high hardness and brittleness

Low thermal conductivity

Tendency to crack, chip or delaminate if incorrect tooling or parameters are used

Requires precise coolant management and diamond tooling to maintain finish and accuracy

These factors make standard HSS or carbide drills inadequate—they wear out quickly, produce inconsistent holes, and risk micro-cracking. That’s where our specialized diamond core drills come into play.

Tool Design & Engineering

• Our diamond core drills for quartz feature:
• A high concentration of industrial diamond particles distributed in a specially formulated metal bond. This ensures consistent cutting performance and extended tool life under high stress conditions.
• Coolant channels or through-coolant options (customizable) to manage heat, flush debris and minimize glazing.
• Precision ground carbide or steel shanks (per your machine interface)—ensuring concentricity, run-out control and compatibility with CNC, ultrasonic or conventional drilling platforms.
• Custom diameter, wall-thickness and length options—suitable for deep hole drilling, stepped bores, or production quantities.
• Quality control standards: tolerance on diameter, concentricity, and chipping are tightly managed per Braemar USA’s engineering guidelines.

Industries & Applications

These drills are optimized for use in:

Optical lens manufacturing – drilling quartz blanks or carriers for lens/optical assemblies

Semiconductor wafer processing – bonds, carriers or insulation components using fused silica

Aerospace & defense – high-temperature, high-hardness components including quartz windows, sensor housings or precision substrates

Research & prototyping labs – specialty materials, composite substrates and engineering labs requiring custom drilling solutions

Electronics & photonics – quartz substrates, laser windows, high-purity assemblies

Technical Specifications & Selection Guide

When selecting a diamond core drill for quartz, consider:

Diameter and depth — ensure the core diameter matches the hole size requirement plus a small allowance for finish.

Bond hardness — for quartz, a medium to soft bond may be optimal to ensure diamond particles break down and refresh rather than glaze.

Diamond grit size — finer grit yields superior finish; coarser grit may increase rate but risk cracking.

Tool geometry & wall thickness — slender grids need balancing between core removal and rigidity.

Coolant strategy — liquid coolant (wet drilling) is often recommended to minimize heat build-up and extend tool life. Braemar USA advises coolant flow and monitoring.

Why Braemar USA?

• Deep expertise in metal-bond diamond tooling for advanced materials, including sapphire, quartz, ceramics and composites.
• Ability to engineer custom solutions—diameter, length, bond formulation, coolant interface—to suit your machine and process.
• Quality manufacturing, rigorous tolerances and reliable supply chain.
• Comprehensive support—from selection assistance to post-sales service and regrind/repair options.

Installation & Usage Tips

• Secure your workpiece firmly; any movement may lead to cracking in quartz.
• Use a high-volume coolant flow; maintain positive coolant pressure to the cutting zone to flush chips and maintain cooling.
• Operate at recommended speeds and feeds—consult Braemar USA’s tooling guide or speak to their engineers for recommended parameters.
• After drilling, inspect the hole for micro-cracks or chipping; adjust feed-rate, bond or grit size accordingly.
• For production runs, monitor tool wear and refresh or re-dress as needed to maintain consistency.

Call to Action

Contact Braemar USA today to specify your drill diameter, depth, bond requirement or machine interface. Our engineers will assist you in choosing the best diamond core drill for your quartz-drilling application and ensure you get optimum performance from day one.

 

• Material: Fused Silica / Quartz (SiO₂)
• Tool Type: Metal-Bond Diamond Core Drill
• Diameter: Custom (specify)
• Length: Custom (specify)
• Bond Hardness: Custom (medium/soft for quartz)
• Diamond Grit Size: Custom (recommended fine)
• Coolant: High-flow, through-coolant recommended
• Shank: Precision Ground Carbide/Steel (customer-specified)
• Machine Compatibility: CNC, ultrasonic, manual, wet or dry (wet preferred)
• Industries: Optical, semiconductor, aerospace, research prototyping

Call (480) 966-9311 or Add to Quote for pricing.