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Heavy‑Duty Palton 8mm 12mm Solid PCD Drill Bit, Long Service Life Diamond CNC Drill for Graphite, Carbon Fiber Reinforced Material, Silicon Carbide Processing
Get rid of frequent CNC parameter offsets, dimensional deviation and wasted work‑pieces with our solid‑tip PCD drill bits.
Our diamond‑tipped drills deliver stable cutting on aluminium‑magnesium alloys, brass, copper, CFRP, GFRP, technical plastics and graphite.
Standard carbide drills turn blunt over time. They easily accumulate built‑up edges, smear workpiece material and suffer gradual edge wear. By comparison, our PCD cutters achieve clean chip removal and prevent chips from sticking to blades while machining non‑ferrous metals and composites.
Bulk Sintered PCD Tip, Not Thin‑film Diamond Coating
Cheap diamond‑coated drills only carry a thin diamond layer over carbide substrates. Once this fragile coating wears off, the tool loses all diamond‑cutting performance.
Our drills adopt integrated sintered polycrystalline‑diamond cutting tips. The whole cutting section consists of solid diamond without separable base material and surface coating.
During long‑run batch machining, the cutting‑edge profile remains consistent. Every finished hole maintains fixed diameter, clean exit quality and precise positioning with zero tolerance drift.
Superior Heat Conductivity Eliminates Thermal Deformation
Heat gets trapped inside the confined drilling zone and causes thermal expansion for common carbide drills, which ruins strict bore tolerances.
Since polycrystalline diamond boasts five‑times higher thermal conductivity than cemented carbide, cutting‑zone heat quickly transfers from the tip to tool shank.
Low‑temperature cutting stabilises hole dimensions all through the machining cycle, making our PCD drills well‑suited for tough deep‑hole processing.
Delamination‑Free Drilling for Carbon‑fiber Composites
Dull carbide bits will push carbon fibres sideways instead of shearing them cleanly. This triggers ply‑splitting and breakout craters that render composite parts unqualified for aerospace and automobile production.
Our razor‑sharp solid PCD edge severs fibres instantly on contact. Every exiting hole stays intact, ideal for fuselage fastener holes, chassis mounting openings and composite bonded‑hole fabrication.
Machinable Work‑piece Materials
All aluminium alloys: Burr‑free outlets, no built‑up edge and steady bore size
Copper & brass: Low‑friction cutting without metal smearing
CFRP / GFRP: Clean fibre cutting and anti‑delamination effect
Engineering‑grade plastic: Prevent resin melting and chip adhesion
Graphite: Wear‑resistant edge against abrasive carbon dust
Magnesium alloy: Cool‑cutting and minimal friction
Note: Do not use these PCD drills on steel, cast iron and stainless‑steel. Diamond chemically reacts with iron under cutting heat and suffers fast‑speed blade damage.
Aerospace: Fastener holes on CFRP fuselage and aluminium structural workpieces
Consumer electronics: Chassis, heat‑sink and connector component drilling
Composite processing: Rivet and fixing holes on carbon‑fiber sheets
General CNC work: Aluminium profiles, copper busbars and plastic manifolds
Reduce Your Over‑all Machining Expense
Judging tool cost merely by unit price is misleading. Conventional carbide bits bring extra overhead from frequent tool‑change downtime, CNC offset tuning, defective scrap, rework and frequent tool restocking.
A single PCD drill can operate a full production shift without replacement and cut all incidental manufacturing costs.
Evaluate expenses by cost per finished hole. On this benchmark, solid PCD drills consistently outperform carbide drills for large‑scale non‑ferrous and composite machining.
Send us your workpiece material, hole specifications and CNC‑machine details. Our engineering staff will offer you custom‑fit drill recommendations.
About this supplier
Anhui Palton Precision Tools Co., Ltd. is a scientific and technological enterprise focusing on the R&D and production of superhard material cutting tools, headquartered in Bozhou, which is committed to providing high-precision cutting solutions for the global manufacturing industry.
Mainly engaged in PCD/CBN/MCD tool series products, covering CNC inserts, milling cutters, engraving tools and other categories, especially in the field of graphite, ceramics, carbon fibers, aluminum-based silicon carbide and other difficult to machine materials with significant technical advantages.
Value of cooperation:
1)- 17 years + industry technology experience
2)- 2000+ successful processing cases
3)- 24-hour rapid response mechanism
4)- Lifetime technical support commitment
5)- Support customized service ODM OEM OBM
6)- 5-7 working days samples & 10-15 working days bulk delivery (except for special cases)
Company overview
Competitive advantages
Production workflow
Customization capabilities
Factory profile
Packaging & shipping specifications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
1000000-8000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Anhui Palton Precision Tools Co., Ltd.
Enterprise core profile
Anhui Palton Precision Tools is a scientific and technological enterprise focusing on the R&D and production of superhard material cutting tools, headquartered in Bozhou, which is committed to providing high-precision cutting...
Anhui Palton Precision Tools Co., Ltd.
Enterprise core profile
Anhui Palton Precision Tools is a scientific and technological enterprise focusing on the R&D and production of superhard material cutting tools, headquartered in Bozhou, which is committed to providing high-precision cutting...