Katrangan
Product Overview
This industrial-grade 8.0mm solid carbide twist drill bit is engineered for high-speed, precision hole-making in demanding metalworking applications. Featuring an 8.0mm cutting diameter, 41mm flute length, 8mm straight shank, and 79mm overall length, this 3D depth-to-diameter ratio drill delivers maximum structural rigidity, rapid chip evacuation, and tight hole tolerances across ISO P (Steels), ISO M (Stainless Steels), and ISO K (Cast Iron) workpiece materials.
2. Technical Specifications
Cutting Diameter: 8.0 mm
Flute Length: 41 mm
Shank Diameter: 8.0 mm
Overall Length: 79 mm
Drilling Depth Ratio: 3D (Up to 3 times hole depth)
Substrate Material: Premium Ultra-Fine Micro-Grain Solid Carbide
Flute Design: Dual helical spiral flutes for fast chip curling and cooling
Shank Type: Cylindrical Straight Shank (DIN 6535 HA equivalent)
Machining Type: High-efficiency CNC hole drilling, blind hole, and through-hole machining.
| Cutting Diameter (D) | Flute Length (L1) | Shank Diameter (d) | Overall Length (L) | Drilling Depth Range |
| 3.0 mm | 20 mm | 3.0 mm | 54 mm | 3D (0 - 9 mm) |
| 3.5 mm | 20 mm | 4.0 mm | 54 mm | 3D (0 - 10.5 mm) |
| 4.0 mm | 24 mm | 4.0 mm | 55 mm | 3D (0 - 12 mm) |
| 4.5 mm | 24 mm | 5.0 mm | 58 mm | 3D (0 - 13.5 mm) |
| 5.0 mm | 28 mm | 5.0 mm | 62 mm | 3D (0 - 15 mm) |
| 5.5 mm | 28 mm | 6.0 mm | 66 mm | 3D (0 - 16.5 mm) |
| 6.0 mm | 28 mm | 6.0 mm | 66 mm | 3D (0 - 18 mm) |
| 6.5 mm | 34 mm | 8.0 mm | 79 mm | 3D (0 - 19.5 mm) |
| 7.0 mm | 34 mm | 8.0 mm | 79 mm | 3D (0 - 21 mm) |
| 7.5 mm | 41 mm | 8.0 mm | 79 mm | 3D (0 - 22.5 mm) |
| 8.0 mm | 41 mm | 8.0 mm | 79 mm | 3D (0 - 24 mm) |
| 8.5 mm | 47 mm | 10.0 mm | 89 mm | 3D (0 - 25.5 mm) |
| 9.0 mm | 47 mm | 10.0 mm | 89 mm | 3D (0 - 27 mm) |
| 9.5 mm | 47 mm | 10.0 mm | 89 mm | 3D (0 - 28.5 mm) |
| 10.0 mm | 47 mm | 10.0 mm | 89 mm | 3D (0 - 30 mm) |
| 10.5 mm | 55 mm | 12.0 mm | 102 mm | 3D (0 - 31.5 mm) |
| 11.0 mm | 55 mm | 12.0 mm | 102 mm | 3D (0 - 33 mm) |
| 12.0 mm | 55 mm | 12.0 mm | 102 mm | 3D (0 - 36 mm) |
| 14.0 mm | 60 mm | 14.0 mm | 107 mm | 3D (0 - 42 mm) |
| 16.0 mm | 65 mm | 16.0 mm | 115 mm | 3D (0 - 48 mm) |
| 20.0 mm | 79 mm | 20.0 mm | 131 mm | 3D (0 - 60 mm) |
Typical Applications
Automotive & Machinery Parts: Hole drilling in engine brackets, mounting plates, hydraulic manifolds, and steel housings.
Die & Mold Fabrication: Precision guide pin and ejector hole drilling in tool steels and pre-hardened mold plates.
General CNC Machining: Ideal for high-volume automated CNC vertical machining centers (VMC) and lathe drilling setups.
FAQ
1) Nalika aku bisa njaluk rega?
Kita biasane ngutip sajrone 24 jam sawise njaluk pitakon sampeyan.
2) Kepiye carane njaluk sampel kanggo mriksa kualitas sampeyan?
Sawise konfirmasi rega, sampeyan bisa njaluk conto kanggo mriksa kualitas kita. Yen sampeyan mung butuh sampel kosong kanggo mriksa desain lan kualitas kertas, kita bakal menehi conto gratis, anggere sampeyan bisa mbayar pengiriman ekspres.
3) Suwene aku bisa nyana kanggo njaluk sampel?
Sawise sampeyan mbayar biaya sampel lan ngirim file dikonfirmasi, conto bakal siap kanggo pangiriman ing 3-7 dina. Sampel bakal dikirim menyang sampeyan liwat ekspres lan teka ing 3-7 dina kerja. Sampeyan bisa nggunakake akun ekspres dhewe utawa prabayar yen sampeyan ora duwe akun.
4) Suwene suwene kabeh prosedur ditindakake?
Sawise sampeyan nggawe pesenan, wektu penanganan produksi kira-kira 20-25 dina. Kita butuh 7 dina kanggo nyiapake kabeh barang banjur 15 dina kanggo manufaktur.
5) Apa babagan transportasi lan tanggal pangiriman?
Biasane kita nggunakake kiriman kanggo transprot barang. Iku bab 7-25 dina. Iku uga denpends kang coutry lan port sampeyan.Bisa dadi luwih cendhek yen sampeyan kudu ngirim barang kaya Asia. Yen ana sawetara kahanan darurat, kita bisa ngirim barang liwat ekspres udara, anggere sampeyan bisa mbayar biaya lalu lintas.
6) Apa sampeyan perusahaan dagang utawa pabrikan?
Kita minangka produsen profesional. Kita ora mung duwe pabrik alat, nanging uga duwe pabrik karbida semen.
7) Where is pabrik Panjenengan?
Kita dumunung ing kutha Zhuzhou, Provinsi Hunan., Kutha basis tungsten karbida China
8) Suwene aku bisa nyana kanggo njaluk sampel?
Sawise sampeyan mbayar biaya sampel lan ngirim file dikonfirmasi, conto bakal siap kanggo pangiriman ing 3-7 dina. Sampel bakal dikirim menyang sampeyan liwat ekspres lan teka ing 3-5 dina kerja. Sampeyan bisa nggunakake akun ekspres dhewe utawa prabayar yen sampeyan ora duwe akun.
9) Kepiye babagan saham sampeyan?
We duwe produk jumlahe akeh ing Simpenan, jinis biasa lan ukuran kabeh ing Simpenan.
10) Apa pengiriman gratis bisa?
Kita ora nawakake layanan pengiriman gratis. Kita bisa duwe diskon yen sampeyan tuku produk jumlahe akeh
Bebas bae kanggo hubungi kula:
Aimee
Manajer sales
Zhuzhou Chuangde Cemented Carbide Co. Ltd
215, building 1, International Students Pioneer Park,
TaishanRoad, Tianyuan Distrik, Zhuzhou City.
Email: cd@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
Whatspp/wechat/Skype : 0086 13786352688
