PCD standard inserts SN (0° clearance angle) type 90° 2
The PCD Standard Insert SN Type (0° Clearance, 90°) is a square, negative-rake turning insert built for heavy-duty and high-precision machining of non-ferrous and abrasive materials. Its polycrystalline diamond (PCD) cutting edge provides exceptional wear resistance, while the 0° clearance (negative rake) design delivers maximum edge strength and excellent dimensional control in demanding operations.
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Product Details
Key Features
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PCD Cutting Edge – Ultra-hard diamond layer (~8,000–10,000 HV) for outstanding wear
resistance and extended tool life.
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Square 90° Geometry – Four cutting edges per insert for cost efficiency and easy indexing.
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0° Clearance (Negative Rake) – High edge strength for stable cutting and heavy
depth-of-cut capability.
·
Excellent Surface Finish – Capable of mirror-like finishes on aluminum, copper,
brass, and composites.
·
High-Speed Machining Ready – Performs reliably at elevated cutting speeds on CNC
lathes and turning centers.
·
Low Built-Up Edge – Diamond edge resists material adhesion, maintaining consistent
quality.
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Rigid Carbide/Steel Substrate – Provides vibration damping and dimensional stability.
·
Coolant Optional – Runs dry or with minimum-quantity lubrication, reducing coolant cost.
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Long Tool Life – Fewer tool changes mean higher productivity and lower per-part cost.
·
Environmentally Efficient – Extended life and multiple edges reduce waste.
Customer Ratings
5.0/5
Based on 2 reviews
Customization product
I’ve been using this product for several months now, and it stands out as one of the best tools for customization in manufacturing. Whether you're working with metal, plastic, or composites, this tool adapts easily to different workflows and materials. Highly recommended for teams looking for precision, efficiency, and customization all in one.
Frequently Asked Questions
1.
What materials are ideal for this insert?
Non-ferrous metals such as aluminum, brass, copper, magnesium, as well as
graphite and carbon-fiber composites.
2.
Why use a 0° clearance angle?
A negative rake offers stronger cutting edges, ideal for heavy cuts and stable
machining.
3.
How many cutting edges are available?
Four edges per square insert—simply index to a fresh edge when worn.
4.
Can it cut steel or cast iron?
No. Diamond reacts with iron at high temperatures; use CBN inserts for ferrous
materials.
5.
What cutting speeds are recommended?
Typically 500–1200 m/min for aluminum, adjusted for machine rigidity and part
geometry.
6.
Is coolant required?
Not necessarily. Many operations run dry or with minimum-quantity lubrication
(MQL).
7.
Can the insert be re-sharpened or re-tipped?
Yes, professional diamond-grinding services can re-hone or re-tip PCD edges.
8.
Which machines accept SN inserts?
Any CNC or manual lathe that accommodates standard SN-style negative-rake
insert holders.
9.
What surface finish can I expect?
With proper parameters, Ra as low as 0.2 µm (mirror-like) is achievable.
10.
How should it be stored?
Keep inserts in padded boxes to protect edges from chipping or contamination.
