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11 32 Drill Bit

Our 11 32 drill bit range is designed for accurate hole making in steel, stainless steel, aluminum, cast iron, and alloy materials, ensuring stable performance and long tool life in CNC and manual drilling operations.
For customers looking for an 11 32 drill bit in mm, we provide clear metric equivalents and guidance on the 11 32 drill bit closest size, helping you choose the right tool when inch sizes are unavailable. As a professional manufacturer, we also offer 11 32 drill bit alternatives and substitutes with optimized geometries, coatings, and tolerances to meet different machining requirements.
Whether you need an exact 11 32 drill bit size, a reliable 11 32 drill bit equivalent, or a cost-effective solution compared with retail options, HNCarbide supports custom specifications, bulk supply, and OEM services for global customers.

Our 11 32 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 32 Drill Bit Product Details

ALCRN-COATED 11 32 Drill Bit WITH COOLANT HOLES

ALCRN-COATED 11 32 Drill Bit WITH COOLANT HOLES

Order Number:
DB3100

This ALCRN-coated 11 32 drill bit with coolant holes is designed for precision drilling in steel, stainless steel, aluminum, and alloy materials. The advanced AlCrN coating provides excellent heat resistance and wear protection, ensuring longer tool life under high-speed and high-load drilling conditions.

Internal coolant holes allow efficient cooling and chip evacuation, improving hole quality and reducing tool wear during continuous machining. With accurate 11 32 drill bit size control, this tool is ideal for CNC drilling applications requiring stable performance.

For customers looking for an 11 32 drill bit in mm or a reliable 11 32 drill bit equivalent, this drill bit offers a consistent and professional solution. Custom lengths, coatings, and tolerances are available for OEM and bulk orders.

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

11/32

8.73

47

10

89

 

5D

EDP No.

Fractional

Metric (D1, mm)

Flute Length L1 (mm)

Shank Diameter D2 (mm)

Overall Length L2 (mm)

DB510022

11/32

8.73

61

10

103

 

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 32 Drill Bit Dimensions & Technical Drawings

Our 11 32 Drill Bit drawings clearly show key 11 32 Drill Bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 11 32 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

A high-quality 11 32 drill bit is suitable for drilling steel, stainless steel, aluminum, cast iron, and various alloy materials. Tool material and coating play a key role in performance, especially when machining harder metals or working at higher speeds.

An 11 32 drill bit with coolant holes is ideal for deep-hole drilling, high-speed CNC machining, and applications where heat control and chip evacuation are critical. Internal coolant improves cutting stability and reduces the risk of tool breakage.

To improve hole quality with an 11 32 drill bit, ensure proper spindle speed, stable fixturing, adequate coolant, and correct point geometry. Using a spot drill before drilling can also enhance accuracy and surface finish.

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 32 Drill Bit WITHOUT COOLANT HOLES

Order Number:
DB3010

This ALCRN-coated 11 32 drill bit without coolant holes is designed for stable and precise drilling in steel, stainless steel, aluminum, and alloy materials. The AlCrN coating offers excellent heat resistance and oxidation protection, helping extend tool life in high-speed drilling applications.

Without internal coolant holes, this design provides higher rigidity and is suitable for applications using external coolant or dry cutting conditions. The accurate 11 32 drill bit size ensures consistent hole quality and reliable performance in CNC and conventional drilling operations.

For users searching for an 11 32 drill bit in mm or an effective 11 32 drill bit substitute, this tool delivers a dependable inch-size solution. HNCarbide supports custom geometries, coatings, and dimensions for OEM and bulk 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

11/32

8.73

47

10

89

 

5D

EDP No.

Fractional

Metric (D1, mm)

Flute Length L1 (mm)

Shank Diameter D2 (mm)

Overall Length L2 (mm)

DB501022

11/32

8.73

61

10

103

 

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 32 Drill Bit Dimensions & Technical Drawings

Our 11 32 Drill Bit drawings clearly show key 11 32 Drill Bit dimensions such as diameter, radius, flute length and overall length. This helps you confirm the right 11 32 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

A high-quality 11 32 drill bit is suitable for drilling steel, stainless steel, aluminum, cast iron, and various alloy materials. Tool material and coating play a key role in performance, especially when machining harder metals or working at higher speeds.

An 11 32 drill bit with coolant holes is ideal for deep-hole drilling, high-speed CNC machining, and applications where heat control and chip evacuation are critical. Internal coolant improves cutting stability and reduces the risk of tool breakage.

To improve hole quality with an 11 32 drill bit, ensure proper spindle speed, stable fixturing, adequate coolant, and correct point geometry. Using a spot drill before drilling can also enhance accuracy and surface finish.

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

Precision Applications of HNCarbide 11 32 Drill Bit

The 11 32 drill bit from HNCarbide is widely used in precision drilling operations across automotive, mold making, general machining, and metal fabrication industries. Designed for accurate hole sizing, the 11 32 drill bit delivers reliable results in steel, stainless steel, aluminum, and alloy materials.

For users searching for an 11 32 drill bit in mm or wondering what is close to 11 32 drill bit, we provide clear size guidance and professional recommendations. Whether you need an exact 11 32 drill bit size or a practical 11 32 drill bit alternative, our solutions help ensure stable machining performance and consistent hole quality.

High Accuracy and Durability of 11 32 Drill Bit Solutions

Each 11 32 drill bit is manufactured from premium carbide material and precision-ground to achieve excellent dimensional accuracy and wear resistance. Optimized flute geometry supports smooth chip evacuation and stable cutting, even in high-speed drilling applications.

Compared with standard retail options, our 11 32 drill bit equivalent and substitute solutions are designed for industrial use, offering longer tool life and consistent performance. For customers evaluating 5 16 vs 11 32 drill bit or looking for the 11 32 drill bit closest size, HNCarbide provides expert support, customization options, and reliable bulk supply.

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 32 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 32 Drill Bit.

Upgrade Passivation Service

Each of your tungsten 11 32 Drill Bit will be sandblasted to effectively remove burrs and improve the finish.

Full Branch Inspection

All HNCarbide’s 11 32 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 32 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

A high-quality 11 32 drill bit is suitable for drilling steel, stainless steel, aluminum, cast iron, and various alloy materials. Tool material and coating play a key role in performance, especially when machining harder metals or working at higher speeds.

An 11 32 drill bit with coolant holes is ideal for deep-hole drilling, high-speed CNC machining, and applications where heat control and chip evacuation are critical. Internal coolant improves cutting stability and reduces the risk of tool breakage.

To improve hole quality with an 11 32 drill bit, ensure proper spindle speed, stable fixturing, adequate coolant, and correct point geometry. Using a spot drill before drilling can also enhance accuracy and surface finish.

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 32 Drill Bit Size Guide

Choosing the correct drill bit size is critical for achieving accurate holes and reliable machining results. Among inch-based sizes, the 11 32 drill bit is a common but sometimes overlooked option, especially when users are more familiar with metric drill bits. This guide explains the 11 32 drill bit size, its metric conversion, closest alternatives, and how to select the right substitute when the exact size is not available.

What Is an 11 32 Drill Bit?

An 11 32 drill bit refers to an inch-based drill bit with a diameter of 11/32 inch. It is commonly used in metalworking, fabrication, maintenance, and industrial drilling applications where precise hole size matters.

The 11 32 drill bit size sits between more commonly stocked fractional sizes, which is why many users search for terms like what is close to 11 32 drill bit or 11 32 drill bit closest size when sourcing tools.

11 32 Drill Bit in mm: Metric Conversion Explained

One of the most frequent questions is 11 32 drill bit in mm or 11 32 drill bit to metric.

  • 11/32 inch = 0.34375 inch

  • 11 32 drill bit to mm = 8.73 mm (approx.)

There is no exact metric equivalent at 8.73 mm, which means machinists often need to decide whether to use a slightly smaller or larger metric drill bit depending on tolerance requirements.

This is why searches such as 11 32 drill bit to mm and 11 32 drill bit equivalent are so common among international buyers.

11 32 Drill Bit Closest Size Options

When an exact 11 32 drill bit is not available, selecting the closest size depends on the application.

Common Closest Sizes:

  • 8.5 mm drill bit – slightly smaller

  • 8.8 mm drill bit – slightly larger

  • Letter size R (0.339") – smaller inch alternative

These are often considered when users look for an 11 32 drill bit substitute or 11 32 drill bit alternative, especially in maintenance or repair scenarios.

5/16 vs 11 32 Drill Bit: What’s the Difference?

Another frequent comparison is 5 16 vs 11 32 drill bit.

  • 5/16 inch = 0.3125 inch (7.94 mm)

  • 11/32 inch = 0.34375 inch (8.73 mm)

The size difference is significant in precision work. Using a 5/16 bit instead of an 11 32 drill bit may result in undersized holes, poor fastener fit, or alignment issues. For structural or threaded holes, substituting these sizes without adjustment is not recommended.

When to Use an 11 32 Drill Bit Equivalent or Substitute

There are cases where an 11 32 drill bit equivalent or substitute is acceptable:

  • Non-critical clearance holes

  • Pilot drilling before reaming

  • Applications with flexible tolerance ranges

However, in CNC machining, mold making, or precision assemblies, using the exact 11 32 drill bit size ensures consistency and repeatability.

Professional manufacturers often provide guidance when customers ask what is close to 11 32 drill bit, helping balance availability and performance.

Retail Availability: What to Expect

Many users search for 11 32 drill bit Home Depot, 11 32 drill bit Harbor Freight, or 11 32 drill bit Lowes. While these retailers may occasionally stock the size, availability is inconsistent, and product options are usually limited to general-purpose drills.

For industrial applications, manufacturers and specialized tooling suppliers offer:

  • Tighter diameter tolerances

  • Advanced coatings

  • Options for carbide or high-performance materials

This makes them a better choice when a reliable 11 32 drill bit alternative is required for production use.

Choosing the Right 11 32 Drill Bit for Your Application

When selecting an 11 32 drill bit, consider the following factors:

  • Material being drilled (steel, stainless steel, aluminum, alloys)

  • Cutting speed and feed rate

  • Coolant use (with or without coolant holes)

  • Coating requirements (AlCrN, TiAlN, uncoated)

If metric tooling is standard in your shop, understanding the 11 32 drill bit to mm relationship helps avoid errors and downtime.

Final Thoughts

The 11 32 drill bit plays an important role in inch-based drilling applications, especially when accuracy matters. Understanding its metric conversion, closest sizes, and substitute options allows machinists and buyers to make informed decisions.

Whether you need an exact 11 32 drill bit, a practical 11 32 drill bit substitute, or guidance on 11 32 drill bit equivalent sizes, choosing the right tool ensures better hole quality, longer tool life, and more efficient machining.

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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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