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Contact Info

Room 2501, Building 1, Hailuanfang, Xixiang Sub-district, Bao'an District, Shenzhen City, Guangdong Province, China
tshz@tshztech.cn
Mod-friday, 09am -05pm
+86 18687528708

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PCB Diamond-Coated Milling Cutters

PCB diamond-coated milling cutters, also known as PCB routing cutters, printed circuit board milling cutters, or engraving cutters, are primarily used for contour cutting, slotting, depth-controlled milling, V-grooving, half-hole machining, and gold finger chamfering of PCBs; they are the most commonly used carbide tools in post-PCB manufacturing processes.

Doubled Tool Life
Exceptional Precision
Outstanding Efficiency
Controllable Costs
Broad Application Compatibility

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Description

Doubled Tool Life: Conventional FR-4 boards achieve 3–5× the tool life of standard tungsten carbide routers; for high-hardness substrates (e.g., M9, high-Tg materials), tool life increases by 5–20×—significantly reducing tool-change frequency and equipment downtime while enhancing production continuity.

Exceptional Precision: Routing dimensional tolerance ≤ ±25 μm; groove width tolerance ≤ ±0.003 mm; routed surfaces are burr-free, delamination-free, and chip-free—ideal for precision routing and grooving of HDI and high-layer-count PCBs.

Outstanding Efficiency: Compatible with high-speed spindles (80,000–180,000 RPM); feed rates increase by 20–30%; reduced risk of chipping or breakage; yield improvement of 5–15%; substantially increased output per unit time.

Controllable Costs: Per-unit processing cost reduced by 30–50%; lower router procurement, storage, and machine setup costs; equipment utilization improved by over 20%—achieving both cost reduction and efficiency gains.

Broad Application Compatibility: Perfectly suited for routing, grooving, and profiling of advanced PCBs—including high-layer-count, high-frequency/high-speed, HDI, thick-copper, and ceramic substrates.

PRODUCTS

Dental burs

Ultra-hard and wear-resistant for extended service life: High-strength, densely coated diamond layer significantly harder than conventional silicon carbide burs—resistant to wear, sand loss, and chipping, thereby doubling service life and reducing replacement costs.

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Custom Profile

Truly cost-saving custom service

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Diamond-coated cutting inserts

Diamond-coated cutting inserts are meticulously fabricated using cemented carbide substrates and high-performance diamond vacuum coating technology. The diamond crystals are densely and uniformly arranged with strong bonding strength, delivering exceptional hardness, outstanding wear resistance, low friction coefficient, high-temperature resistance, and impact resistance.

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PCB diamond drill bit

PCB drill bits with excellent chip removal and hole roughness capabilities, long service life, suitable for drilling general multilayer and HDI boards, FR-4, CEM-1 boards, and eco-friendly boards. Diameter range: 0.1–1.2 mm

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Our Blog

Blog

1/ April

Sustainable Manufacturing Trend: Diamond Coating Listed as a Key Technology for “Green Machining”

Global manufacturing’s environmental requirements will reach a new high in 2026. Due to their exceptionally long service life, CVD diamond tools significantly reduce the carbon footprint associated with discarded tools and enable higher-efficiency dry machining (reducing cutting fluid pollution), leading multiple governments to include them on their recommended lists for sustainable manufacturing.

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1/ April

Predictive Maintenance Technology: CVD Tools with “Wear Prediction” Functionality Introduced

Major players such as Oerlikon have introduced new CVD coatings with nanocrystalline structures, rendering their wear patterns highly predictable. Combined with the industrial IoT sensors set to become widespread in 2026, factories can achieve “zero unexpected tool breakage.”

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1/ April

New Aerospace Standard: CFRP Machining Volume Surges by 35%

The global use of CVD diamond in the aerospace industry is projected to increase by 35% by 2026. Due to the widespread application of carbon fiber reinforced polymer (CFRP) and ceramic matrix composites, the wear rate of traditional cutting tools can no longer meet the delivery cycles of giants like Boeing and Airbus.

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1/ April

Semiconductor Heat Dissipation Revolution: Diamond Emerges as the “Lifesaver” for AI Chips

With the explosive growth of AI data centers and high-performance GPUs, over 40% of semiconductor manufacturing will begin using diamond crystals as a heat-diffusing material by 2026. Its thermal conductivity is five times that of copper.

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Is your tooling keeping up with the "Difficult-to-Machine" era?

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Graphite, Ceramics, and Carbon Fiber are the future, but they are “tool killers.” If you’re still using traditional coating, you’re fighting a losing battle.
Our CVD (Chemical Vapor Deposition) Diamond Coating creates a real crystalline diamond layer on the carbide substrate. This isn’t just a “finish”—it’s a shield.

Why top distributors choose our CVD series:
1.Ultra-Low Friction: Prevents chip welding and heat buildup.
2.Extreme Abrasion Resistance: Maintains sharp cutting edges $20 \times$ longer.
3.Surface Finish: Mirror-like results on the workpiece, zero secondary polishing needed.

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