Secure coating-to-substrate interface
The substrate chemistry and microstructure promote dense diamond nucleation, reducing the risk of premature coating separation in abrasive graphite cutting.
4GEM · Standard order code with online price
D4*15FL*100 OAL*6SH*4F
4F Long Shank Square End · Order code: 4GEM 040 150 S06
D4*15FL*100 OAL*6SH*4F diamond-coated square end graphite end mill in the 4GEM series. Online reference price USD 24.40/pc as of 2026-Sep-14; order code 4GEM 040 150 S06.
Price available online
$24.40
USD / pc · FOB China
Price as of 2026-Sep-14
Published online for purchasing budgets and size comparison
Standard terms are 100% T/T in advance with a reference lead time of 10–15 working days. Final price and delivery are confirmed against quantity, tolerance, and order requirements.
- Order code
- 4GEM 040 150 S06
- Product family
- 4GEM
- Substrate / coating
- Solid carbide / diamond
- Quality documentation
- Dimensional report available
D4*15FL*100 OAL*6SH*4F engineering specification
Technical dimensions table
Order code: 4GEM 040 150 S06
All linear dimensions in mm
| Parameter | Symbol | Value | Purchasing / inspection note |
|---|---|---|---|
| Cutter diameter | D | 4 mm | Nominal cutting diameter; default tolerance -0.020 / 0 mm |
| Ball / corner radius | R | — | Not applicable to this specification |
| Flute length | L1 | 15 mm | Cutting edge length |
| Neck diameter | dN | — | Neck diameter not specified for this item |
| Neck length | L2 | — | Neck length not specified for this item |
| Shank diameter | d | 6 mm | Nominal shank diameter |
| Overall length | L | 100 mm | Overall length (OAL) |
| Flute count | Z | 4 | Number of flutes |
Inspection basis: Default cutter diameter tolerance -0.020 / 0 mm; default corner-radius tolerance ±0.02 mm. State special tolerances and dimensional-report requirements on the purchase order.
Diamond coating and edge retention
A diamond system engineered for graphite, 10x longer life
D4*15FL*100 OAL*6SH*4F combines a fine-grain carbide substrate with a graphite-specific diamond coating. On this square end tool, lower edge wear helps retain the specified dimensions and cutting profile during production.
About 74% less edge retreat after 60 minutes
In the shown carbon-resin test, diamond coating records about 0.006 mm edge retreat versus about 0.023 mm for TiAlN. Lower wear supports more consistent machined dimensions.
AK06 fine-grain carbide substrate
AK06 uses high-quality fine WC powder with controlled grain size and morphology, providing a diamond-compatible substrate for D4*15FL*100 OAL*6SH*4F.
ZOLLER dimensional inspection
Verified dimensions on every end mill
D4*15FL*100 OAL*6SH*4F
Every tool is checked for critical dimensions and cutting geometry using an optical measurement system. A dimensional report for order code 4GEM 040 150 S06 is available for incoming inspection and traceability.
- Nominal cutter diameter: 4 mm; default tolerance -0.020 / 0 mm
- Dimensional report available
Starting parameters for graphite
Cutting data for D4*15FL*100 OAL*6SH*4F
Use these values as the initial setup for diamond-coated solid carbide end milling in graphite. Validate by test cut and optimise for machine rigidity, tool overhang, runout, and dust extraction.
Spindle speed
16,000
rev/min
Feed rate
2,000
mm/min
Axial depth ap
4
mm
Radial width ae
0.4
mm
- Reference diameter
- Ø4 mm
- Flutes
- 4
- Effective length
- —
- Taper angle
- —
- Vc
- 201.1 m/min
- fz
- 0.0313 mm/tooth
Nearby 4GEM standard sizes
Compare dimensions and online prices
D4*20FL*100 OAL*4SH*4F
$15.20Order code: 4GEM 040 200 100
Ø4 · 4F · OAL 100 mm
D4*20FL*100 OAL*6SH*4F
$24.40Order code: 4GEM 040 200 S06
Ø4 · 4F · OAL 100 mm
D3*10FL*100 OAL*6SH*4F
$24.40Order code: 4GEM 030 100 S06
Ø3 · 4F · OAL 100 mm
D3*15FL*100 OAL*6SH*4F
$24.40Order code: 4GEM 030 150 S06
Ø3 · 4F · OAL 100 mm
D5*20FL*100 OAL*6SH*4F
$26.00Order code: 4GEM 050 200 S06
Ø5 · 4F · OAL 100 mm
D6*30FL*110 OAL*6SH*4F
$29.40Order code: 4GEM 060 300 110
Ø6 · 4F · OAL 110 mm
Request pricing: D4*15FL*100 OAL*6SH*4F
Send the order quantity, work material, machine setup, and target delivery. We will confirm order pricing, production scheduling, and dimensional-report requirements using the 2026-Sep-14 online reference price as the starting point; order code 4GEM 040 150 S06.
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