- Ultra-Precise Workmanship: Specifically engineered for miniature internal profiling & deep-face slotting down to micro-diameters, delivering mirror-like surface finishes.
- Perfect for High-End Manufacturing: Widely trusted and approved in heavy-duty precision industries, including high-performance fishing gear, aerospace components, and medical devices.
- Full Geometry Tailoring (OEM/ODM): Standard SMFR/SMVR series in stock, with robust custom capabilities for unique profiles, threads, and chamfers based on your drawings.
- Get a Quick Match & Free Quote: Send us your processing diameter/material today, and our expert technical engineers will recommend the ideal setup within 12 hours!
BESKRIUWING
Product Overview
Achieve maximum efficiency in high-precision micro-hole machining with the CM SMF R8-15L-T6 Solid Carbide Micro Boring Bar. Engineered from premium ultra-fine micro-grain tungsten carbide, this internal turning and grooving cutter provides the exceptional rigidity and edge sharpness required to eliminate deflection in small-diameter operations.
Extensively trusted in manufacturing high-end fishing gear (precision reels, gears, and spools), medical instruments, and miniature automotive components, it guarantees mirror-like surface finishes in narrow internal profiles.
Technical Specifications (CM SMF R8-15L-T6)
To ensure a perfect match for your CNC lathe setup, here are the exact parameters for this specific model:
Parameter Code | Technical Specification | Actual Value |
Brand / Material Prefix | Substrate Grade | CM (Ultra-Fine Micro-Grain Carbide) |
Series | Product Line | SMF (Micro Internal Boring & Grooving) |
Shank Diameter (D) | Tool Holder Connection | 8.0 mm |
Max. Processing Depth (L_1) | Useful Neck Length | 15 mm |
Min. Bore Clearance (T) | Minimum Hole Capability | T6 Specification |
Coating Options | Surface Treatment | Uncoated / Premium TiAlN Coated |










Custom Tailored Solution (As Required)
Need a modification for a unique blueprint? We support comprehensive custom manufacturing based on your precise production drawings:
Custom Profiles: Profiling bars, corner rounding, and specialized chamfering geometries.
Multi-Functional Ends: Tailored grooving widths, deep face slotting variations, and custom internal thread cutters.
Target Applications & Materials
Applicable Industries: High-end fishing gear manufacturing, automotive miniature valves, aerospace instruments, and specialized CNC job shops.
Workpiece Materials: Proven excellence in turning Stainless Steel, Carbon Steel, Die Steel, Aluminum Alloys, Brass, and Copper alloys.



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


















