- HRC55 High-Speed Milling: Advanced AlTiN nano-coating handles continuous friction heat up to 900°C, perfect for pre-hardened steels.
- 45mm Extended Long Flute: Extra-long 45mm cutting flutes engineered specifically for deep-pocket walls and vertical deep-shoulder profiling.
- Rigid 4-Flute Geometric Core: Balanced flute core diameter drastically minimizes tool deflection, delivering exceptional surface flatness.
- Absolute Zero Runout: 12mm straight shank ground to strict industrial h6 tolerances, ensuring flawless seating inside your CNC collet chuck.
BESKRIUWING
Product Overview
Optimize your core mold production and precision CNC machining lines with our heavy-duty 12mm 4 Flute HRC55 Solid Carbide End Mill. Engineered specifically for processing materials up to HRC55 hardness, this high-performance solid carbide cutter features an extended 45mm flute length and a 100mm overall length, delivering maximum axial reach for deep vertical pocketing, high-aspect-ratio slotting, and deep shoulder side milling.
Ground from premium micro-grain tungsten carbide substrate, the tool is integrated with an advanced, high-aluminum AlTiN (Bronze/Rose Gold) coating. This multi-layered coating delivers superb hot-hardness and oxidation resistance, effectively suppressing tool chatter, reducing harmonic deflection, and generating a flawless surface finish on alloy and pre-hardened steels.
Technical Specifications (12*45*12*100*4T)
Please match your CNC spindle speeds, feeds, and toolholder tolerances with our exact geometric engineering parameters:
Technical Parameters | Industrial Specification Value |
Cutting Diameter (d) | 12.0 mm |
Flute Cutting Length (l) | 45.0 mm (Long Flute Series) |
Shank Diameter (D) | 12.0 mm (Straight Shank / h6 Tolerance) |
Overall Tool Length (L) | 100.0 mm (Extended Long Reach) |
Number of Flutes (T) | 4 Flutes (Flat Square Face / Non-Radius) |
Target Workpiece Hardness | Up to HRC55 (HRC45/HRC50/HRC55) |
Surface Coating Matrix | Premium AlTiN Nano-Coating (Industrial Bronze Finish) |
Large quantity with big discount.






Applications & Materials
This 12mm high-rigidity extended flat milling tool is highly recommended for:
Mold & Die Restoration: Milling medium-hardness stamping dies, plastic injection mold cores, pre-hardened block frames, and CNC tool steel components.
General Mechanical Machining: High-feed vertical profiling, step pocketing, and contour milling in modern automated machine shops.
Workpiece Materials: Outstanding tool lifespan across Carbon Steel, Pre-hardened Steel, Die Steel, Alloy Steel, Stainless Steel, and Cast Iron.











FAQ
1) Wannear kin ik de priis krije?
Wy sitearje normaal binnen 24 oeren nei't wy jo fraach krije. As jo heul driuwend binne om de priis te krijen, belje ús dan asjebleaft of fertel ús yn jo e-post, sadat wy jo ûndersyksprioriteit sille beskôgje.
2) Hoe kin ik in stekproef krije om jo kwaliteit te kontrolearjen?
Nei priisbefêstiging kinne jo samples fereaskje om ús kwaliteit te kontrolearjen. As jo gewoan in lege stekproef nedich binne om it ûntwerp en papierkwaliteit te kontrolearjen, sille wy jo fergees sample leverje, salang't jo de ekspresfracht betelje.
3) Hoe lang kin ik ferwachtsje om de stekproef te krijen?
Nei't jo de samplekosten betelje en ús befêstige bestannen stjoere, sille de samples yn 3-7 dagen klear wêze foar levering. De samples wurde fia ekspresje nei jo stjoerd en komme yn 3-7 wurkdagen. Jo kinne jo eigen express-akkount brûke of ús foarôf betelje as jo gjin akkount hawwe.
4) Hoe lang wurdt de hiele proseduere útwurke?
Nei't jo in bestelling pleatse, is de produksjetiid sawat 20-25 dagen. Wy hawwe 7 dagen nedich om al it spul te meitsjen, dan 15 dagen foar fabrikaazje.
5) Wat oer de transport- en leveringsdatum?
Normaal brûke wy ferstjoering om it guod te transprotearjen. It giet oer 7-25 dagen. It hinget ek ôf fan hokker lân en haven jo binne. It kin koarter wêze as jo it guod lykas Aziatyske stjoere moatte. As d'r wat needgefallen binne, kinne wy it guod fia air express stjoere, salang't jo de ferkearskosten betelje.
6) Binne jo hannelsbedriuw as fabrikant?
Wy binne profesjonele fabrikant. Wy hawwe net allinich ús arkfabryk, mar hawwe ek cemented carbide fabryk.
7) Wêr leit jo fabryk?
Wy binne fêstige yn Zhuzhou stêd, Hunan Provinsje., wolfraam carbid basis stêd fan Sina
8) Hoe lang kin ik ferwachtsje om de stekproef te krijen?
Nei't jo de samplekosten betelje en ús befêstige bestannen stjoere, sille de samples yn 3-7 dagen klear wêze foar levering. De samples wurde fia ekspresje nei jo stjoerd en komme yn 3-5 wurkdagen. Jo kinne jo eigen express-akkount brûke of ús foarôf betelje as jo gjin akkount hawwe.
9) Hoe sit it mei jo stock?
Wy hawwe produkten yn grutte kwantiteit op foarried, reguliere soarten en maten binne allegear op foarried.
10) Is fergees ferstjoeren mooglik?
Wy biede gjin fergese ferstjoertsjinst. Wy kinne hawwe in koarting as jo keapje in grutte kwantiteit produkten
Fiel dy frij Kontakt mei my op te nimmen :
Aimee
Sales manager
Zhuzhou Chuangde Cemented Carbide Co., Ltd
215, building 1, International Students Pioneer Park,
TaishanRoad, Tianyuan District, Zhuzhou City.
E-post: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
Whatspp/wechat/Skype: 0086 13786352688



















