Changzhou AMG Precision Tool Manufacturing CO., LTD
| Payment Terms | T/T/Credit Card |
| Name | Deep Hole Drill Bits |
| Material | Carbide |
| Precision | m7 or customized |
| Type | Deep hole drilling |
| Diameter | 4-32mm |
| Overall length | 50-400mm |
| Helix | 30°/45° |
| Coolant method | Inner coolant |
| Application | Cast iron, steel, stainless steel, etc |
| Packaging Details | Plastic tube |
| Delivery Time | 5-12 working days |
| Supply Ability | 30000-100000pcs per month |
| Brand Name | AMG |
| Model Number | DIN-20D |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T/Credit Card | Name | Deep Hole Drill Bits |
| Material | Carbide | Precision | m7 or customized |
| Type | Deep hole drilling | Diameter | 4-32mm |
| Overall length | 50-400mm | Helix | 30°/45° |
| Coolant method | Inner coolant | Application | Cast iron, steel, stainless steel, etc |
| Packaging Details | Plastic tube | Delivery Time | 5-12 working days |
| Supply Ability | 30000-100000pcs per month | Brand Name | AMG |
| Model Number | DIN-20D | Certification | ISO9001 |
| Place of Origin | CHINA | ||
| High Light | AlTiSiN Coated Deep Hole Drill Bits ，Deep Hole Drill Bits 20D ，20D Carbide Drill Bits For Steel | ||
20D Carbide deep hole drill with AlTiSiN coating for steel
Introduction:
Features:
1.20D Depth Ratio – Reliable performance for deep-hole drilling (up to 20× diameter)
2.Optimized Geometry – Parabolic flutes + split-point design for reduced thrust force and chip clogging
3.High-Pressure Coolant Channels – Internal coolant holes (dual/triple) for effective heat and chip removal
4.Wear-Resistant Coating – AlTiSiN/AlCrN coatings for enhanced heat resistance (up to 900°C)
5.Rigid Shank Design – Precision-ground tolerance (h6) for minimal runout
Performance Advantages:
30% longer tool life vs. conventional carbide drills
Superior hole straightness (±0.1mm/100mm)
Reduced cycle time with aggressive feeds (up to 0.3mm/rev)
Typical Applications:
• Oil & gas (valve bodies, drilling components)
• Automotive (transmission shafts, hydraulic cylinders)
• Mold making (ejection pin holes, coolant channels)
• Energy (turbine blades, boiler tubes)
Detailed Pictures:
Our workshop:
Promotion policy:
Free sample: If clients can pay shipping fee, could get free samples (under USD20) for testing.
Special offer for new customers: New clients can enjoy USD50 discount coupon for first order, if the total order amount is more than USD500.
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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