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China Industrial Products Supplier Manufacturer List Catalog
Milling CutterCylindrical Milling CutterDrillPilot Drill
Supsteed Precison Tools Co., Ltd.
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Product Description Product DescriptionPilot DrillsOur company offers high-quality pilot drills designed for accurate pre-drilling and guiding main drilling operations. Made from premium tungsten steel and featuring advanced wear-resistant coatings, these drills ensure exceptional durability, sharpness, and stability. Their optimized design allows for precise centering, smooth cutting, and efficient chip removal.Materials Suitable for Machining Carbon steel, stainless steel, cast iron, and aluminum alloys.Main FeaturesOur pilot drills are ideal for achieving reliable and accurate results in a wide range of machining applications. Detailed Photos Product ParametersSizesD1-4*50LD6-50LD8*60LD10*75LD12*75LD4*100LD6*100LD8*100LD10*100LD12*100L Features and Benefits of Pilot Drills1. Precision and AccuracyCreates a perfectly centered guide hole for larger drill bits.Prevents drill bit wandering, especially on curved or hard surfaces.Ensures straight and consistent holes in metal, wood, and composites.2. Enhanced Tool LifeReduces stress on larger drill bits by providing a pre-drilled guide.Minimizes wear and tear, extending the lifespan of cutting tools.3. VersatilitySuitable for a wide range of materials, including steel, aluminum, brass, plastic, and wood.Available in various sizes (1mm to 10mm commonly) to match different drilling needs.4. Improved Surface FinishReduces burring and rough edges by ensuring a clean entry point.Ideal for applications requiring high-quality finishes, such as CNC machining.5. Compatibility with Different Drilling MachinesWorks with hand drills, drill presses, CNC machines, and milling machines.Can be used in both high-speed and low-speed drilling operations. Types of Pilot Drills1. Standard Pilot Drills (Center Drills)Features a combined drill and countersink design.Commonly used in lathe and milling operations.Available in different angles (60°, 90°, 120°).2. Spotting DrillsShorter and more rigid than standard pilot drills.Ideal for creating precise starting points before deep-hole drilling.3. Micro Pilot Drills (Miniature Drills)Extremely small diameters (0.1mm to 3mm).Used in precision engineering, electronics, and jewelry making.4. Carbide Pilot DrillsMade from ultra-durable carbide for drilling hard metals.Resistant to high heat and wear, suitable for high-speed machining.5. HSS (High-Speed Steel) Pilot DrillsCost-effective and widely used for general-purpose drilling.Suitable for soft metals, wood, and plastics. Applications of Pilot Drills1. Metalworking & MachiningUsed in CNC machining, lathe work, and milling.Essential for creating accurate holes in steel, aluminum, and titanium.2. WoodworkingPrevents splintering when drilling into wood.Ensures clean holes for dowels, screws, and joinery.3. Automotive & AerospaceCritical for precision drilling in engine components and aircraft parts.Reduces errors in high-tolerance applications.4. Electronics & PCB DrillingMicro pilot drills create precise holes in circuit boards.Ensures proper alignment for electronic components.5. Construction & DIY ProjectsHelps in accurate drilling for screws, anchors, and fasteners.Minimizes mistakes in home improvement tasks. How to Choose the Right Pilot Drill?1. Material CompatibilityHSS drills - Best for soft metals, wood, and plastic.Carbide drills - Ideal for hardened steel, stainless steel, and alloys.2. Drill SizeSelect a pilot drill slightly smaller than the final hole size.Common sizes range from 1mm to 10mm.3. Shank TypeStraight shank - Fits standard drill chucks.Reduced shank - Allows use in smaller drill chucks.4. Coating OptionsTiN (Titanium Nitride) - Increases hardness and heat resistance.TiAlN (Titanium Aluminum Nitride) - Best for high-speed drilling.5. Point Angle60° - General-purpose drilling.90° - Better for softer materials.120° - Used for harder metals. Proper Usage & Maintenance Tips1. Correct Speed & Feed RatesUse lower RPM for harder materials to avoid overheating.Higher RPM can be used for softer materials like wood and plastic.2. Lubrication & CoolingApply cutting fluid when drilling metals to reduce friction.Prevents premature wear and improves hole quality.3. Secure Workpiece ProperlyUse clamps or a vise to prevent movement during drilling.Ensures precision and safety.4. Regular SharpeningDull drills cause poor hole quality and increased effort.Use a drill sharpener or replace worn-out drills.5. Storage & HandlingStore in a dry place to prevent rust (especially HSS drills).Keep drills organized in a labeled case for easy access. Why Choose Our Pilot Drills? High-Quality Materials - Made from premium HSS or carbide for durability. Precision Engineering - Ensures accurate and consistent performance. Wide Size Range - Available in various diameters for different applications. Competitive Pricing - Affordable without compromising quality. Fast Shipping & Reliable Support - Get your tools delivered quickly with expert assistance. FAQQ1: Are you a factory or trading company? A1: We are professional precision tools manufacturer,have more than 30 years experience in this industry. Welcome to visit us!Q2: Do you produce special cutting tools?A2: Yes, we provide OEM/ODM service for customers, just send us your design drawings if you have any customized items need to be made. Q3: Can the price be reduced for large quantities?A3: Yes, bigger quantity orders are cheaper.Q4: When can I get the reply?A4: We usually reply within 12 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.Q5: What is the lead time for mass production?A5: Generally, It will take 10-15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.Q6: Is free shipping available?A6: We don't offer a free shipping service. But we can have a discount if you buy a large number of products.
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