Product Specification

Custom Flat Bottom Index Carbide Long Drill for Steel Processing

Product Introduction

Key Features

Carbide Material

• The use of carbide in the construction of this drill provides numerous advantages. Carbide is renowned for its extreme hardness, which enables it to effortlessly penetrate and cut through steel, even high-strength and hardened varieties. It has excellent wear resistance, ensuring a long service life. This means fewer tool changes, reducing downtime and increasing overall productivity. The carbide material also exhibits superior heat resistance. During the drilling process, a significant amount of heat is generated. Carbide can dissipate this heat effectively, preventing the drill from overheating and maintaining the integrity of the cutting edge. This is crucial for maintaining accurate hole dimensions and surface finishes. The specific grade of carbide used is carefully selected based on the type of steel to be processed, optimizing the drill's performance and durability.
• The carbide structure is engineered to provide a balance between hardness and toughness, allowing the drill to withstand the rigors of steel drilling without chipping or breaking.

Flat Bottom Index Feature

• The flat bottom index is a unique and valuable aspect of this drill. It allows for the creation of flat-bottomed holes, which is essential in many steel processing applications. For example, in the manufacturing of parts where a flat surface is required for proper seating or assembly, such as in engine blocks or machine bases, this drill can achieve the desired flat-bottomed hole in a single operation. The index feature also enhances the drill's stability and accuracy. It helps to prevent the drill from wandering or deflecting during the drilling process, resulting in more precise hole locations and diameters. The flat bottom index is carefully designed and manufactured to ensure a smooth transition between the drilled hole and the flat bottom, minimizing stress concentrations and improving the overall quality of the machined part.
• This feature sets our drill apart from traditional round-bottomed drills and provides added versatility and functionality in steel processing.

Long Drill Design

• The long drill design is tailored for applications that require deep hole drilling in steel. It is engineered to maintain rigidity and stability over extended lengths. The shaft diameter and the overall length of the drill are carefully proportioned to minimize deflection and vibration. This is crucial as excessive deflection or vibration can lead to inaccurate hole geometries and reduced tool life. The flute design of the long drill is optimized for efficient chip evacuation. As the drill penetrates deep into the steel, chips are continuously removed from the hole, preventing chip clogging and ensuring a smooth drilling process. The long drill can be customized to different lengths, depending on the specific depth requirements of the application, providing a flexible solution for a wide range of steel processing tasks.
• The combination of the long drill design and the carbide material makes it suitable for drilling deep holes in thick steel plates, shafts, and other steel components.

Precision Engineering

• Our flat bottom index carbide long drill is manufactured with a high level of precision. The cutting edge geometry is meticulously designed to optimize cutting performance. The angles and shapes of the cutting edges are precisely determined to ensure efficient material removal and minimal cutting forces. The drill's concentricity is maintained within extremely tight tolerances, which is essential for achieving accurate hole diameters and straightness. The surface finish of the drill is also carefully controlled to reduce friction and heat generation. A smooth surface helps the drill to glide through the steel more easily, improving the overall drilling efficiency and the quality of the hole surface. Advanced manufacturing techniques and quality control processes are employed to ensure that each drill meets the strictest standards of precision and performance.
• The precision engineering of this drill results in high-quality holes with excellent surface finishes, reducing the need for secondary finishing operations in many cases.

Specification Details

• Application	nonferrous metals, Synthetic Materials & Graphite, Steel, iron, copper, aluminium, bronze, brass, plastic, aluminum alloy
  Drill Type	Carbide tip with indexable inserts
  Shank Type	Whistle Notch
  Point Angle	142°, 118°, 144°, 135°, 140°, customized
  Surface Finish	High Temp/Hardness AlTiN, Multilayer TiCN/TiN, Bright(Uncoated), Diamond, Super Life TiAlN
  Customized support	OEM, ODM, OBM
  Product name	brazed gun drill
  Minimum dia	10mm
  Maximum dia	65mm
  Size	As customers required
  Usage	Deep hole drilling
  Coating	Available
  Drill type	single-fluted gun drill
  OEM & ODM	Accpected
  Drill bar material	Steel

Application Scenarios

• In the automotive industry, used for drilling holes in engine blocks, cylinder heads, and transmission cases, where flat-bottomed holes are required for proper assembly and function.
• The machinery manufacturing sector benefits from these drills in creating holes in machine bases, spindles, and housings. They are essential for achieving precise flat-bottomed holes for mounting components and ensuring accurate alignment.
• In the steel fabrication industry, used for drilling holes in steel plates and structural members, where deep, flat-bottomed holes are needed for welding, bolting, or other connection methods.
• Can also be applied in the aerospace industry for drilling holes in steel components of aircraft structures and engines, where high precision and quality are of utmost importance.

Installation and Maintenance

• Installation: The drill is installed in a CNC machine or a dedicated drilling machine following the manufacturer's instructions. The shank is properly inserted into the spindle and secured using the appropriate clamping mechanism. Ensure that the machine is properly calibrated and set up for the specific drill diameter and length.
• Maintenance: Regular inspection of the drill is necessary. Check for signs of wear on the cutting edges, such as chipping or dulling. Inspect the flute for any blockages and clean it if required. The drill should be stored in a clean and dry environment to prevent corrosion. Lubricate the shank and other moving parts as recommended by the manufacturer. If the drill shows significant wear or damage, it should be replaced or reconditioned to maintain optimal performance.

Conclusion