Changzhou AMG Precision Tool Manufacturing CO., LTD
| Payment Terms | T/T/Credit Card |
| Supply Ability | 30000-100000pcs per month |
| Delivery Time | 5-12 working days |
| Packaging Details | Plastic tube |
| Product name | Solid Carbide Twist Drills |
| Point angle | 140° (for steel) |
| Material | Solid carbide |
| Diameter | 1-32mm |
| Overall length | 50-400mm |
| Helix | 30–35° (optimized chip flow) |
| OEM/ODM | Available |
| Application | Brass, Aluminium. Cast iron, steel, inconel, etc |
| Coating | TiAlCrN, Nano-TiXCo, AlTiSiN, etc. |
| Brand Name | AMG |
| Model Number | DIN-3D |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T/Credit Card | Supply Ability | 30000-100000pcs per month |
| Delivery Time | 5-12 working days | Packaging Details | Plastic tube |
| Product name | Solid Carbide Twist Drills | Point angle | 140° (for steel) |
| Material | Solid carbide | Diameter | 1-32mm |
| Overall length | 50-400mm | Helix | 30–35° (optimized chip flow) |
| OEM/ODM | Available | Application | Brass, Aluminium. Cast iron, steel, inconel, etc |
| Coating | TiAlCrN, Nano-TiXCo, AlTiSiN, etc. | Brand Name | AMG |
| Model Number | DIN-3D | Certification | ISO9001 |
| Place of Origin | CHINA | ||
| High Light | 1mm Solid Carbide Twist Drills ，20mm Solid Carbide Twist Drills ，High Speed Drill Bit For Steel | ||
Solid Carbide Twist Drill Bit for Steel High Speed HRC 50 Precision CNC Drilling 1mm-20mm
Introduction:
Our solid carbide twist drill bit is engineered for high-performance drilling in steel, hardened metals (HRC 50+), and tough alloys. Featuring ultra-fine grain tungsten carbide and an optimized 135° split point, this industrial-grade drill delivers exceptional accuracy, extended tool life, and superior chip evacuation—perfect for CNC machining centers, lathes, and high-volume production.
Specification:
| Flute dia (D) | Shank dia (d) | OAL(L) | Groov length (L2) | Max.depth of cutting (L1) | Shank length(LS) |
| 3 | 6 | 62 | 20 | 14 | 36 |
| 3.25 | 6 | 62 | 20 | 14 | 36 |
| 3.3 | 6 | 62 | 20 | 14 | 36 |
| 3.4 | 6 | 62 | 20 | 14 | 36 |
| 3.5 | 6 | 62 | 20 | 14 | 36 |
| 3.7 | 6 | 62 | 20 | 14 | 36 |
| 4 | 6 | 66 | 24 | 17 | 36 |
| 4.2 | 6 | 66 | 24 | 17 | 36 |
| 4.3 | 6 | 66 | 24 | 17 | 36 |
| 4.5 | 6 | 66 | 24 | 17 | 36 |
| 4.65 | 6 | 66 | 24 | 17 | 36 |
| 4.8 | 6 | 66 | 28 | 20 | 36 |
| 5 | 6 | 66 | 28 | 20 | 36 |
| 5.1 | 6 | 66 | 28 | 20 | 36 |
| 5.2 | 6 | 66 | 28 | 20 | 36 |
| 5.5 | 6 | 66 | 28 | 20 | 36 |
| 5.55 | 6 | 66 | 28 | 20 | 36 |
| 5.8 | 6 | 66 | 28 | 20 | 36 |
| 6 | 6 | 66 | 28 | 20 | 36 |
| 6.1 | 8 | 79 | 34 | 24 | 36 |
| 6.2 | 8 | 79 | 34 | 24 | 36 |
| 6.3 | 8 | 79 | 34 | 24 | 36 |
| 6.5 | 8 | 79 | 34 | 24 | 36 |
| 6.6 | 8 | 79 | 34 | 24 | 36 |
| 6.8 | 8 | 79 | 34 | 24 | 36 |
| 6.9 | 8 | 79 | 34 | 24 | 36 |
| 7 | 8 | 79 | 34 | 24 | 36 |
| 7.1 | 8 | 79 | 41 | 29 | 36 |
| 7.4 | 8 | 79 | 41 | 29 | 36 |
| 7.5 | 8 | 79 | 41 | 29 | 36 |
| 7.8 | 8 | 79 | 41 | 29 | 36 |
| 8 | 8 | 79 | 41 | 29 | 36 |
| 8.1 | 10 | 89 | 47 | 35 | 40 |
| 8.4 | 10 | 89 | 47 | 35 | 40 |
| 8.5 | 10 | 89 | 47 | 35 | 40 |
| 8.6 | 10 | 89 | 47 | 35 | 40 |
| 8.7 | 10 | 89 | 47 | 35 | 40 |
| 8.8 | 10 | 89 | 47 | 35 | 40 |
| 9 | 10 | 89 | 47 | 35 | 40 |
| 9.3 | 10 | 89 | 47 | 35 | 40 |
| 9.5 | 10 | 89 | 47 | 35 | 40 |
| 9.6 | 10 | 89 | 47 | 35 | 40 |
| 9.8 | 10 | 89 | 47 | 35 | 40 |
| 10 | 10 | 89 | 47 | 35 | 40 |
| 10.25 | 12 | 102 | 55 | 40 | 45 |
| 10.4 | 12 | 102 | 55 | 40 | 45 |
| 10.5 | 12 | 102 | 55 | 40 | 45 |
| 10.6 | 12 | 102 | 55 | 40 | 45 |
| 10.8 | 12 | 102 | 55 | 40 | 45 |
| 11 | 12 | 102 | 55 | 40 | 45 |
| 11.2 | 12 | 102 | 55 | 40 | 45 |
| 11.5 | 12 | 102 | 55 | 40 | 45 |
| 11.8 | 12 | 102 | 55 | 40 | 45 |
| 12 | 12 | 102 | 55 | 40 | 45 |
| 12.25 | 14 | 107 | 60 | 43 | 45 |
| 12.5 | 14 | 107 | 60 | 43 | 45 |
| 12.7 | 14 | 107 | 60 | 43 | 45 |
| 12.75 | 14 | 107 | 60 | 43 | 45 |
| 12.8 | 14 | 107 | 60 | 43 | 45 |
| 13 | 14 | 107 | 60 | 43 | 45 |
| 13.1 | 14 | 107 | 60 | 43 | 45 |
| 13.5 | 14 | 107 | 60 | 43 | 45 |
| 13.8 | 14 | 107 | 60 | 43 | 45 |
| 14 | 14 | 107 | 60 | 43 | 45 |
| 14.25 | 16 | 115 | 65 | 45 | 48 |
| 14.5 | 16 | 115 | 65 | 45 | 48 |
| 14.75 | 16 | 115 | 65 | 45 | 48 |
| 14.8 | 16 | 115 | 65 | 45 | 48 |
| 15 | 16 | 115 | 65 | 45 | 48 |
| 15.1 | 16 | 115 | 65 | 45 | 48 |
| 15.5 | 16 | 115 | 65 | 45 | 48 |
| 15.8 | 16 | 115 | 65 | 45 | 48 |
| 16 | 16 | 115 | 65 | 45 | 48 |
| 16.5 | 18 | 123 | 73 | 51 | 48 |
| 16.75 | 18 | 123 | 73 | 51 | 48 |
| 16.8 | 18 | 123 | 73 | 51 | 48 |
| 17 | 18 | 123 | 73 | 51 | 48 |
| 17.5 | 18 | 123 | 73 | 51 | 48 |
| 17.8 | 18 | 123 | 73 | 51 | 48 |
| 18 | 18 | 123 | 73 | 51 | 48 |
| 18.5 | 20 | 131 | 79 | 55 | 50 |
| 18.8 | 20 | 131 | 79 | 55 | 50 |
| 19 | 20 | 131 | 79 | 55 | 50 |
| 19.5 | 20 | 131 | 79 | 55 | 50 |
| 19.8 | 20 | 131 | 79 | 55 | 50 |
| 20 | 20 | 131 | 79 | 55 | 50 |
Features:
✔ Solid Carbide Construction – 3X more durable than HSS drills.
✔ 135° Split Point – Self-centering for precise hole starts (no walking).
✔ High Helix (35°) – Efficient chip removal in deep holes.
✔ TiAlN Coating – Reduces friction and withstands 800°C (optional).
✔ Precision Ground – ±0.01mm tolerance, <0.005mm runout.
✔ Size Range – 1mm to 20mm (0.04" to 0.79").
Advantages:
✅ 50% Faster Drilling – Handles 30+ m/min cutting speeds.
✅ Reduced Burrs – Sharp edges for clean holes in steel/stainless.
✅ Extended Tool Life – 5X longer than coated HSS drills.
✅ Universal Shank – Fits ER collets, hydraulic chucks, and drill presses.
Detailed Pictures:
Our workshop:
New Customer Special Offers:
To help you experience our premium products, we’re excited to offer the following exclusive promotions for first-time buyers:
1.Free Test Samples
Get free samples (total value ≤ $20 USD) when you cover the international shipping cost.
Perfect for evaluating our product quality and performance risk-free.
2.$50 USD Discount on First Order
New customers can enjoy a $50 discount on the first order of $500 or more.
A great way to start our partnership with extra value!
Our advantages:
1.Advanced grinding machines: All of our grinding machines are WALTER and SAACKE brands.
2.Advanced inspection machines: We have ZOLLER, OMEGA, PG1000, etc. For inspecting each carbide tools.
3.Fast feedback: we offer 24 hours online service
4.Strict quality control system:
We strictly adhere to a three-stage inspection process for each tool:
Raw material inspection
Semi-finished product inspection after production
Final inspection after coating (pre-shipment check)
Related products:
Company Details
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
200-300
Employee Number:
30~50
Ecer Certification：
Verified Supplier
CHANGZHOU AMG PRECISION TOOL MANUFACTURING CO., LTD. is a leading manufacturer and solution provider specializing in high-performance carbide cutting tools for precision CNC machining applications. With a strong commitment to innovation and quality, we design and produce an extensive range of... CHANGZHOU AMG PRECISION TOOL MANUFACTURING CO., LTD. is a leading manufacturer and solution provider specializing in high-performance carbide cutting tools for precision CNC machining applications. With a strong commitment to innovation and quality, we design and produce an extensive range of...
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