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11 16 Drill Bit

Our 11 16 drill bit for metal and steel is designed for stable, accurate drilling in carbon steel, stainless steel, aluminum, and alloy materials. With advanced CNC grinding, strict quality control, and solid carbide options, each 11 16 drill bit delivers smooth chip evacuation and long tool life.
We supply 11 16 drill bit in inch size with metric equivalents available, including 11 16 drill bit to mm conversion support and custom shank options such as 11 16 drill bit 3 8 shank. Compared with standard retail options like 11 16 drill bit Home Depot or Lowe’s, we focus on consistent quality, OEM customization, and B2B supply for industrial applications.
👉 Customized specifications, coatings, and lengths available. Send your inquiry today.

Our 11 16 Drill Bit Product Range

Simplify Complex Contours!
Leveraging advanced CNC grinding technology and strict ISO-compliant quality control, we ensure stable cutting performance, long tool life, and consistent batch-to-batch accuracy.

11 16 Drill Bit Product Details

ALCRN-COATED 11 16 Drill Bit WITH COOLANT HOLES

ALCRN-COATED 11 16 Drill Bit WITH COOLANT HOLES

Order Number:
DB3100

The ALCRN-coated 11 16 drill bit with coolant holes is designed for high-efficiency drilling in metalworking applications. This 11 16 drill bit for metal offers excellent heat resistance and wear protection when machining steel, stainless steel, and alloy materials.

The advanced AlCrN coating maintains hardness at high temperatures, making the 11 16 drill bit for steel suitable for high-speed CNC drilling. Internal coolant holes deliver coolant directly to the cutting edges, improving chip evacuation, reducing heat, and extending tool life.

Precision CNC grinding ensures accurate hole size and stable performance. Inch size is standard, with 11 16 drill bit to mm and metric equivalent options available. Custom shank designs, including 11 16 drill bit 3 8 shank, can be supplied for OEM and industrial use.

In-stock products, fast delivery.
Size Chart

3D

EDP No.

Fractional

Metric (D1, mm)

Flute Length L1 (mm)

Shank Diameter D2 (mm)

Overall Length L2 (mm)

DB310022

11/16

17.46

73

18

123

 

RODS & PREFORMS

Grade HN40 is made from submicron WC powder, some speclal additlves added to optimize theproperties with good combination of hardness and toughness.

Its suitable for making drills and miling tools for machining stainless steel, tool steel and heat-resistingalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN40100.814.4591.81,5803,60011.8
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
ALCRNAl: 18–32% Cr: 10–25% N: 45–57%Hardness: 2800–3200 HV (≈30–32 GPa) Thickness: 1–5 μm (typically 3–4 μm in applications) Oxidation temperature: 1000–1100°C (short-term up to 1100°C) Deposition temperature: <500°C (suitable for HSS and carbide substrates)Red hardness: maintains hardness even at 1100°C, better than TiAlN (whose hardness drops above about 900°C). Adhesion: critical load up to 40 N (with optimized process). Wear resistance: suitable for high-speed cutting and dry machining, especially effective on stainless steels and alloy steels.Cutting tools: end mills, gear cutters, drills (e.g. Balinit Alcorna series). Moulds: aluminium die-casting moulds, stamping tools. Industrial parts: piston rings, high-temperature wear-resistant parts (combined with suitable interlayer design).
11 16 Drill Bit Dimensions & Technical Drawings

Our 11 16 Drill Bit drawings clearly show key 11 16 Drill Bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 11 16 Drill Bit sizes for your CNC setup and machining depth before ordering.

Internal Coolant Carbide Drill Bits ALCRONA Coating-HNCarbide-chart
Internal Coolant Carbide Drill Bits ALCRONA Coating-HNCarbide-chart
FAQ

An 11 16 drill bit is commonly used for drilling medium to large diameter holes in metalworking applications. It is widely applied in steel fabrication, machinery parts, structural components, and CNC machining where stable hole accuracy and rigidity are required.

A high-quality 11 16 drill bit for metal can drill carbon steel, alloy steel, stainless steel, aluminum, and cast iron. For harder materials, an 11 16 drill bit for steel with advanced coatings such as AlCrN or TiAlN is recommended to improve tool life.

An 11 16 drill bit with coolant holes is recommended for deep-hole drilling, high-speed CNC machining, or hard materials, as internal coolant improves chip evacuation and heat control. A version without coolant holes is suitable for shallow holes or external coolant systems.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

ALCRN-COATED 11 16 Drill Bit WITHOUT COOLANT HOLES

Order Number:
DB3010

The ALCRN-coated 11 16 drill bit without coolant holes is designed for stable and efficient drilling in metal machining applications. This 11 16 drill bit for metal provides excellent wear resistance and heat protection when drilling steel, stainless steel, and alloy materials.

The high-performance AlCrN coating maintains cutting edge hardness under elevated temperatures, making this 11 16 drill bit for steel suitable for dry drilling or external coolant conditions. Precision CNC grinding ensures accurate hole size, smooth cutting action, and consistent performance.

Manufactured in inch size, this 11 16 drill bit is available with 11 16 drill bit to mm and metric equivalent references. Custom shank options, including 11 16 drill bit 3 8 shank, coatings, and lengths can be supplied for OEM and industrial production needs.

In-stock products, fast delivery.
Size Chart

3D

EDP No.

Fractional

Metric (D1, mm)

Flute Length L1 (mm)

Shank Diameter D2 (mm)

Overall Length L2 (mm)

DB301022

11/16

17.46

73

18

123

 

RODS & PREFORMS

Grade HN40 is made from submicron WC powder, some speclal additlves added to optimize theproperties with good combination of hardness and toughness.

Its suitable for making drills and miling tools for machining stainless steel, tool steel and heat-resistingalloys.

GradeCobalt content %Grain sizeDensity g/cm³Hardness HRAHardness HV30MPa
Transverse
rupture strength
MPa ·m1/2
Fracture toughness
MPa ·m1/2
HN40100.814.4591.81,5803,60011.8
COATING
Scientific nameCompositionPhysical propertiesFeaturesTypical applications
ALCRNAl: 18–32% Cr: 10–25% N: 45–57%Hardness: 2800–3200 HV (≈30–32 GPa) Thickness: 1–5 μm (typically 3–4 μm in applications) Oxidation temperature: 1000–1100°C (short-term up to 1100°C) Deposition temperature: <500°C (suitable for HSS and carbide substrates)Red hardness: maintains hardness even at 1100°C, better than TiAlN (whose hardness drops above about 900°C). Adhesion: critical load up to 40 N (with optimized process). Wear resistance: suitable for high-speed cutting and dry machining, especially effective on stainless steels and alloy steels.Cutting tools: end mills, gear cutters, drills (e.g. Balinit Alcorna series). Moulds: aluminium die-casting moulds, stamping tools. Industrial parts: piston rings, high-temperature wear-resistant parts (combined with suitable interlayer design).
11 16 Drill Bit Dimensions & Technical Drawings

Our 11 16 Drill Bit drawings clearly show key 11 16 Drill Bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 11 16 Drill Bit sizes for your CNC setup and machining depth before ordering.

External Coolant Carbide Drill Bits ALCRONA Coating-HNCarbide-chart
External Coolant Carbide Drill Bits ALCRONA Coating-HNCarbide-chart
FAQ

An 11 16 drill bit is commonly used for drilling medium to large diameter holes in metalworking applications. It is widely applied in steel fabrication, machinery parts, structural components, and CNC machining where stable hole accuracy and rigidity are required.

A high-quality 11 16 drill bit for metal can drill carbon steel, alloy steel, stainless steel, aluminum, and cast iron. For harder materials, an 11 16 drill bit for steel with advanced coatings such as AlCrN or TiAlN is recommended to improve tool life.

An 11 16 drill bit with coolant holes is recommended for deep-hole drilling, high-speed CNC machining, or hard materials, as internal coolant improves chip evacuation and heat control. A version without coolant holes is suitable for shallow holes or external coolant systems.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

expert advice for drilling holes in aerospace components

Versatile Applications of 11 16 Drill Bit

The 11 16 drill bit is widely used in CNC machining, fabrication workshops, and industrial production lines for precise hole making. This 11 16 drill bit for metal is suitable for drilling carbon steel, stainless steel, aluminum, and alloy materials across a wide range of applications.

Compared with smaller diameter tools, the 11 16 drill bit for steel provides improved rigidity and stable cutting performance, reducing vibration and enhancing hole accuracy. Inch-size compatibility and 11 16 drill bit equivalent metric references make it easy to integrate into both imperial and metric machining systems.

Whether used in batch production or custom machining, the 11 16 drill bit delivers reliable performance for demanding metalworking environments.

High Precision and Durability: Features of 11 16 Drill Bit

Each 11 16 drill bit is precision-ground using advanced CNC equipment to ensure accurate diameter control and consistent hole quality. Designed for durability, this 11 16 drill bit for metal maintains stable cutting edges under continuous drilling conditions.

Optimized flute geometry supports smooth chip evacuation and reduces cutting resistance, making the 11 16 drill bit for steel suitable for both dry and coolant-assisted drilling. Optional specifications such as 11 16 drill bit 3 8 shank, coating types, and length variations are available to meet different machining requirements.

Strict quality inspection ensures consistent performance for industrial and OEM drilling applications.

The Best Carbide Drill Bit Set for Metal Stop Buying “Filler Sets” and Start Buying Tool Life

Advantages That set Us Apart

We Are Commited To Providing High-Quality, Customized solutions At An Affordable price While Also Prioritizing sustainability And ExcellentCustomer Service, These Qualities Make Us A Great choice For Your 11 16 Drill Bit Needs

HIP sintering Carbide Rods

We Only Use unground tungsten carbide rods with HlP sintering and 100% virgin material. Our grade includes lsO K05 to K40, frommachining carbon steel to aluminium, non-ferrous metals andtitanium or we develop grade for your applications.

High-Precision Five-Axis CNC Grinder

As a HNCarbide customer, you can enjoy five-axis high-precisiongrinding machines from Australia’s ANCA or Germany’s Walter. Themodern workshop with constant temperature and humidity ensuresthe accuracy of each 11 16 Drill Bit.

Upgrade Passivation Service

Each of your tungsten 11 16 Drill Bit will be sandblasted to effectively remove burrs and improve the finish.

Full Branch Inspection

All HNCarbide’s 11 16 Drill Bit will be monitored on WALTER HELICHEEK and ZOLLER GENlUS 3 to ensure that every dimension is qualified. We arecommitted to controlling the tolerance within 3 UM.

Packaging & Shipping

At HNCarbide, every shipment is meticulously packaged to ensure your tools arrive intact.
Each HNCarbide’s 11 16 Drill Bit is individually placed in a shock-resistant protective case, labeled with complete specifications, and sealed in moisture-proof packaging material before being boxed.
Large-volume orders are reinforced with double-wall cardboard boxes or wooden crates to maximize safety during international shipping.
We collaborate with reliable logistics partners to ensure goods are delivered quickly and securely to their destination via air freight, sea freight, or express courier.

FAQ

An 11 16 drill bit is commonly used for drilling medium to large diameter holes in metalworking applications. It is widely applied in steel fabrication, machinery parts, structural components, and CNC machining where stable hole accuracy and rigidity are required.

A high-quality 11 16 drill bit for metal can drill carbon steel, alloy steel, stainless steel, aluminum, and cast iron. For harder materials, an 11 16 drill bit for steel with advanced coatings such as AlCrN or TiAlN is recommended to improve tool life.

An 11 16 drill bit with coolant holes is recommended for deep-hole drilling, high-speed CNC machining, or hard materials, as internal coolant improves chip evacuation and heat control. A version without coolant holes is suitable for shallow holes or external coolant systems.

Yes. We can produce non-standard tools according to your drawings, samples or machining requirements (material, coating, size, tolerance and application). Our engineers will evaluate and provide a quotation and lead time.

For serious buyers and distributors, we can offer free standard samples if in stock. Usually you only need to cover the freight cost. For customized tools, a sample fee may apply, which can be refunded or deducted in bulk orders.

 Yes.

  • OEM:Your logo and brand on tools, labels and boxes, with agreed MOQ.
  • ODM:We work with you to design or optimize tools for your market. NDAs can be signed to protect your projects and drawings.
Yes, for qualified distributors we provide a complete support package:
1.Market protection

Regional or customer protection based on sales targets, avoiding price wars among our partners.

2.Marketing support

Catalogs, brochures, product photos, technical data sheets, online materials.

For key partners, joint promotion, exhibitions and digital marketing support.

3.Stable supply

Safety stock for fast-moving items and forecast-based production.

Priority production and regular shipments to reduce stock-out risk.

4.Worry-free after-sales

Clear quality warranty policy, quick response to claims.

Replacement, credit or other solutions after confirmation of issues.

5.Technical support

Tool selection and cutting parameter advice.

Problem analysis for different materials and machines.

Online training, documents, and when possible, on-site support for key accounts.

11 16 Drill Bit: Applications, Specifications, and Buying Guide

The 11 16 drill bit is a commonly used inch-size drilling tool in industrial machining, metal fabrication, and CNC production environments. Known for its balance between rigidity and cutting efficiency, the 11 16 drill bit is widely applied in steel structures, machinery components, and general metalworking projects. This article provides a complete overview of the 11 16 drill bit, including applications, material suitability, metric equivalents, shank options, and buying considerations.

What Is an 11 16 Drill Bit?

An 11 16 drill bit refers to a drill bit with a cutting diameter of 11/16 inch, which equals approximately 17.46 mm. This size is commonly used in imperial machining systems and is frequently required in maintenance, tooling, and industrial manufacturing. Compared to smaller diameters, an 11 16 drill bit offers increased stiffness, reduced deflection, and more stable hole accuracy, especially when drilling harder metals.

For international users, understanding the 11 16 drill bit to mm conversion is essential when working with metric-based machines or drawings.

11 16 Drill Bit in MM and Equivalent Sizes

The 11 16 drill bit in mm measures approximately 17.46 mm. While there is no exact standard metric drill size that matches 11/16 inch, metric equivalents such as 17.5 mm are often used depending on tolerance requirements. When selecting an 11 16 drill bit equivalent, it is important to consider hole tolerance, material type, and machining purpose.

In precision machining, inch-sized drill bits like the 11 16 drill bit are preferred when drawings or components are designed according to imperial standards.

Applications of 11 16 Drill Bit for Metal

The 11 16 drill bit for metal is suitable for a wide range of applications, including:

  • Structural steel components

  • Machinery parts and brackets

  • Automotive and industrial equipment

  • General fabrication and repair work

Due to its diameter and rigidity, the 11 16 drill bit is especially effective for creating accurate through-holes and pre-holes for tapping or reaming operations.

11 16 Drill Bit for Steel and Hard Materials

When drilling harder materials, selecting the correct tool design and coating is critical. A 11 16 drill bit for steel is commonly used on:

  • Carbon steel

  • Alloy steel

  • Stainless steel

  • Cast iron

Solid carbide or coated high-speed steel versions are often chosen to improve wear resistance and heat control. For high-speed CNC drilling, AlCrN or TiAlN-coated 11 16 drill bits provide better tool life and stable performance.

Shank Options: 11 16 Drill Bit 3 8 Shank

Shank configuration plays an important role in tool stability. A 11 16 drill bit 3 8 shank is commonly used when machine limitations or tool holders require a reduced shank diameter. This design allows larger cutting diameters to fit standard collets or chucks while maintaining sufficient strength.

Reduced shank drill bits are widely used in CNC machining centers and production environments where tool compatibility is essential.

Coolant vs. Non-Coolant 11 16 Drill Bits

Depending on the application, an 11 16 drill bit may be designed with or without internal coolant holes. Coolant-through designs improve chip evacuation and reduce heat during deep-hole drilling, while non-coolant versions are suitable for shallow holes or external coolant systems. Both options are commonly used in industrial drilling operations.

Where to Buy an 11 16 Drill Bit

Many users search for 11 16 drill bit near me or 11 16 drill bit nearby when sourcing tools quickly. Retail platforms such as 11 16 drill bit Home Depot or Lowe’s 11 16 drill bit may offer standard options for general use. However, these products are typically designed for light-duty or maintenance tasks.

For industrial applications, OEM suppliers and manufacturers provide higher consistency, tighter tolerances, and customization options such as coating type, flute design, and shank specifications.

Choosing the Right 11 16 Drill Bit for Your Application

When selecting an 11 16 drill bit, consider the following factors:

  • Material being drilled

  • Required hole accuracy

  • Machine type (manual or CNC)

  • Cooling method

  • Tool life expectations

A properly selected 11 16 drill bit improves productivity, reduces tool wear, and ensures stable machining results.

Conclusion

The 11 16 drill bit is a versatile and reliable tool for metal drilling applications across multiple industries. From steel fabrication to CNC machining, this drill size offers excellent rigidity, accuracy, and adaptability. By understanding its applications, metric equivalents, shank options, and sourcing considerations, manufacturers and machinists can select the right 11 16 drill bit for metal and steel to meet their production needs.

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Contact us

Before you go, please note that we offer the most up-to-date industry research reports and the most comprehensive product catalogs, so please contact us if you are interested!

Contact us

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