Single Flute End Mill

Scientific name	Composition	Physical properties	Features	Typical applications
Uncoated Sharp edge	Sub-micron carbide substrate (WC–Co). No coating layer, keeps the cutting edge extremely sharp.	Colour: natural carbide grey. Hardness: ~1800–2000 HV (substrate). Temp. resistance: <600°C. Wear resistance: limited vs coated tools, but best edge sharpness.	Ultra-sharp cutting edge, excellent chip evacuation, very good surface finish in soft/sticky materials.	Aluminium, copper, brass, plastics, acrylic, PVC, wood/MDF. Great for high-speed cutting and mirror-finish needs.
DLC Best for Al	Diamond-like carbon (a-C:H) coating by PVD with high sp³ bond content; very smooth surface.	Colour: black / dark grey. Hardness: ~2000–3000 HV. Friction: very low (~0.05–0.15). Temp. resistance: ~350–400°C.	Ultra-low friction + anti-adhesion. Reduces built-up edge, improves surface finish and tool life on aluminium.	Aluminium alloys (6061/7075), copper, graphite, plastics, composites. Popular choice for single flute Al machining.
TiB₂ Anti-sticking	Titanium diboride ceramic coating with strong chemical stability against aluminium adhesion.	Colour: dark grey. Hardness: ~3200–3500 HV. Friction: low vs aluminium. Temp. resistance: up to ~900°C.	Excellent anti-sticking performance on aluminium; maintains sharp edge and extends tool life at high speed.	High-speed aluminium machining, aerospace Al parts, automotive Al components, thin-wall and slotting operations.
TiAlN / AlTiN High heat	Titanium aluminium nitride coating; higher Al improves oxidation resistance for high-temperature machining.	Colour: violet / dark purple. Hardness: ~3200–3500 HV. Oxidation resistance: ~800–900°C. Friction: moderate (~0.4–0.5).	Great wear resistance and heat stability for dry/high-speed cutting. Not ideal for aluminium (may increase BUE).	Alloy steel, stainless steel, hardened steel. Suitable for slotting/deep cavity milling where heat is high.
CrN Balanced	Chromium nitride coating by PVD; good toughness and smoother surface compared with some hard coatings.	Colour: silver-grey. Hardness: ~1800–2200 HV. Friction: ~0.3 (typical). Temp. resistance: ~700°C.	Balanced wear resistance + anti-adhesion. Good all-round option for mixed materials and stable finish.	Aluminium alloys, copper alloys, mild steel, plastics. General-purpose single flute milling and finishing.
CVD Diamond Ultra wear	Polycrystalline diamond coating deposited by CVD; extremely hard and wear-resistant (non-ferrous use).	Colour: light grey. Hardness: ~8000–10000 HV. Friction: extremely low. Temp. resistance: >1000°C (non-ferrous).	Ultimate tool life and abrasion resistance. Very smooth surface; higher cost and more brittle than PVD coatings.	Graphite, CFRP/GFRP, PCB materials, high-silicon aluminium (>12% Si). Best for abrasive non-ferrous materials.

Scientific
name

Composition

Physical properties

Features

Typical applications

Uncoated
Sharp edge

Sub-micron carbide substrate (WC–Co). No coating layer, keeps the cutting edge extremely sharp.

Colour: natural carbide grey.
Hardness: ~1800–2000 HV (substrate).
Temp. resistance: <600°C.
Wear resistance: limited vs coated tools, but best edge sharpness.

Ultra-sharp cutting edge, excellent chip evacuation, very good surface finish in soft/sticky materials.

Aluminium, copper, brass, plastics, acrylic, PVC, wood/MDF. Great for high-speed cutting and mirror-finish needs.

DLC
Best for Al

Diamond-like carbon (a-C:H) coating by PVD with high sp³ bond content; very smooth surface.

Colour: black / dark grey.
Hardness: ~2000–3000 HV.
Friction: very low (~0.05–0.15).
Temp. resistance: ~350–400°C.

Ultra-low friction + anti-adhesion. Reduces built-up edge, improves surface finish and tool life on aluminium.

Aluminium alloys (6061/7075), copper, graphite, plastics, composites. Popular choice for single flute Al machining.

TiB₂
Anti-sticking

Titanium diboride ceramic coating with strong chemical stability against aluminium adhesion.

Colour: dark grey.
Hardness: ~3200–3500 HV.
Friction: low vs aluminium.
Temp. resistance: up to ~900°C.

Excellent anti-sticking performance on aluminium; maintains sharp edge and extends tool life at high speed.

High-speed aluminium machining, aerospace Al parts, automotive Al components, thin-wall and slotting operations.

TiAlN / AlTiN
High heat

Titanium aluminium nitride coating; higher Al improves oxidation resistance for high-temperature machining.

Colour: violet / dark purple.
Hardness: ~3200–3500 HV.
Oxidation resistance: ~800–900°C.
Friction: moderate (~0.4–0.5).

Great wear resistance and heat stability for dry/high-speed cutting. Not ideal for aluminium (may increase BUE).

Alloy steel, stainless steel, hardened steel. Suitable for slotting/deep cavity milling where heat is high.

CrN
Balanced

Chromium nitride coating by PVD; good toughness and smoother surface compared with some hard coatings.

Colour: silver-grey.
Hardness: ~1800–2200 HV.
Friction: ~0.3 (typical).
Temp. resistance: ~700°C.

Balanced wear resistance + anti-adhesion. Good all-round option for mixed materials and stable finish.

Aluminium alloys, copper alloys, mild steel, plastics. General-purpose single flute milling and finishing.

CVD Diamond
Ultra wear

Polycrystalline diamond coating deposited by CVD; extremely hard and wear-resistant (non-ferrous use).

Colour: light grey.
Hardness: ~8000–10000 HV.
Friction: extremely low.
Temp. resistance: >1000°C (non-ferrous).

Ultimate tool life and abrasion resistance. Very smooth surface; higher cost and more brittle than PVD coatings.

Graphite, CFRP/GFRP, PCB materials, high-silicon aluminium (>12% Si). Best for abrasive non-ferrous materials.

Each HNCarbide single flute spiral end mill integrates a precision-ground carbide flute with large chip space to support high-speed machining of aluminum, plastics, copper, and soft alloys. As a versatile CNC end mill, single flute router bits, and single flute cutters solution, it delivers faster chip evacuation, reduced cutting forces, and premium surface quality compared with traditional straight cutters or conventional single flute vs double flute designs in lightweight material milling.

To accommodate various cutting goals and optimized chip flow, we offer multiple spiral end mill styles including down spiral end mill options for improved top edge quality on thin wall parts, laminated sheets, and plastic components. High-feed single flute configurations and lightweight material milling cutters enhance efficiency and surface finish, while specialty profiles such as single flute plunge mill and single flute contour end mill expand capability for profiling and contour work. For precision edge blending, our single flute countersink and single flute bevelling cutters deliver clean edges and accurate bevels.

For CNC setups requiring tailored chip direction and rotation control, HNCarbide supplies left hand spiral end mill, left hand spiral right hand cut end mill, and left hand spiral left hand cut end mill options. These geometries help reduce built-up edge, minimize adhesion, and maintain stable cutting when handling complex profiles and heavy-duty production milling. Material-specific variants like high precision single flute end mill for plastics and aluminum-optimized cutters ensure excellent performance across substrates.

This series also includes single flute hole finishing reamer and single flute threading tools with polished flute variants to support hole finishing, threading, and smooth surface control. With optional polished finish and advanced coatings, these tools improve durability and wear resistance, enabling reliable performance at high RPM.

Available in common imperial and metric sizes like 1/8, 1/4, 3/8, 1/2 inch and 3 mm–20 mm — including carbide shank end mill options — HNCarbide single flute spiral cutters are ideal for CNC routers, vertical machining centers, and high-speed milling applications.

✔ Rapid chip evacuation
✔ Cleaner edge finish
✔ Enhanced surface quality
✔ Increased tool life

At HNCarbide, we take extraordinary care in packaging every single flute spiral end mill and premium carbide spiral end mill tool to safeguard your investment from our factory to your workbench. Each single flute end mill and precision tool — whether it’s a single flute router bit, single flute end mill for aluminum, or other diameter — is individually secured in a protective, shock-resistant sleeve. Complete specification labeling includes tool category (for example, single flute upcut end mills or down spiral end mill styles), detailed size ranges (such as 1/8, 1/4, 3/8, 1/2 inch and 3mm–20mm), and shank selections like the popular 1/4 shank before being sealed in moisture-proof film and boxed.

For faster setup and easy identification on CNC routers, vertical machining centers, and bench mills, we also highlight special tool variants like left hand spiral end mill, left hand spiral right hand cut end mill, and left hand spiral left hand cut end mill right on the label. This labeling strategy helps your team instantly locate the correct geometry — whether upcut, downcut, or tailored spiral — without guesswork.

For larger orders of spiral cutters and tooling, we reinforce cartons with robust double-wall corrugated boxes or export-grade wooden crates, ensuring extra protection during handling and long-distance transport. Through trusted logistics partnerships, your selection of single flute chamfering cutters, spiral cutters, and other tools are shipped securely by air freight, sea freight, or express courier — arriving ready for high-performance machining with minimal installation time and maximum protection throughout the delivery process.