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Palton R1.5 PCD Corner Radius End Mill — Sharp Corners, Long Runs
What's an R1.5 PCD End Mill For?
A 1.5 mm corner radius on a diamond-tipped end mill does two things well: it strengthens the cutting edge at its most vulnerable point, and it produces a controlled fillet at the shoulder — no sharp internal corner stress risers, no hand deburring required.
Tool DNA
Element
Detail
Cutting edge
Polycrystalline diamond, vacuum brazed
Body
Solid carbide shank, balanced for high RPM
Corner geometry
R1.5 mm radius
Flute count
Available in 2-flute and 4-flute configurations
EcerClaw
Coating
None needed — the diamond is the wear surface
Coolant
Dry, MQL, or flood — tool doesn't care
Why R1.5 Matters in Production
A sharp 90° corner on an end mill is its weakest feature. Under load, that sharp intersection chips first. Once it goes, the entire cutting edge follows. By introducing a 1.5 mm radius, the stress distributes across a curved profile that handles impact and abrasive loading far better — without giving up the ability to cut a square shoulder.
Translation for the machinist: You still get a flat floor and a clean vertical wall. The corner just has a designed-in 1.5 mm fillet that makes the tool last longer and the part stronger.
Consistent diameter, no edge degradation over depth
Profiling graphite electrodes
EcerClaw
Radius prevents corner fracturing of brittle graphite
The Three Numbers Shops Care About
Metric
Carbide (baseline)
R1.5 PCD End Mill
Corner edge life
Hours
Days to weeks in aluminum
Surface finish (Ra)
Degrades as corner wears
Stable across tool life
Tool changes per shift
Multiple in high-volume
One setup, full shift
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...
