20 Best Helicoil Drill Bit Size [2024]

Are you looking for the best Helicoil Drill Bit Size? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Helicoil Drill Bit Size.

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# Preview Product
1 TAILUG Inch Thread Repair Kit, 131Pcs Helicoil Repair Kit in 1/4' 5/16' 3/8' 7/16' 1/2' HSS Drill... TAILUG Inch Thread Repair Kit, 131Pcs Helicoil Repair Kit in 1/4" 5/16" 3/8" 7/16" 1/2" HSS Drill...
2 Orion Motor Tech Metric Thread Repair Tool Kit | HSS Drill Bits Taps Threaded Inserts Installation... Orion Motor Tech Metric Thread Repair Tool Kit | HSS Drill Bits Taps Threaded Inserts...
3 DAYUAN 131pcs Helicoil Metric Thread Repair Kit, HSS Drill Thread Insert Repair Tool M5 M6 M8 M10... DAYUAN 131pcs Helicoil Metric Thread Repair Kit, HSS Drill Thread Insert Repair Tool M5 M6 M8 M10...
4 Shkalacar 30Pcs Metric Thread Repair Kit, Metric Thread Threaded Inserts Installation Tool... Shkalacar 30Pcs Metric Thread Repair Kit, Metric Thread Threaded Inserts Installation Tool...
5 YAKAMOZ 30Pcs Thread Repair Insert Kit Damaged Threads Rethreading Drill Bit Taps Tool Set for... YAKAMOZ 30Pcs Thread Repair Insert Kit Damaged Threads Rethreading Drill Bit Taps Tool Set for...
6 15 Pcs Thread Inserts M14x1.5 Female Thread Repairing Accessory Assortment Kit Drill Helicoil Repair... 15 Pcs Thread Inserts M14x1.5 Female Thread Repairing Accessory Assortment Kit Drill Helicoil...
7 10PCs Thread Repair Kit, Metric M18x1.5mm Stainless Steel Thread Repair Insert Kit Twist Drill... 10PCs Thread Repair Kit, Metric M18x1.5mm Stainless Steel Thread Repair Insert Kit Twist Drill...
8 MAXTOOL 13/32' 2pcs Identical Screw Machine Drills HSS M2 Twist Stub Drill Bits Black & Bronze Fully... MAXTOOL 13/32" 2pcs Identical Screw Machine Drills HSS M2 Twist Stub Drill Bits Black & Bronze...
9 BOSCH CO2148 21/64 In. x 4-5/8 In. Cobalt Drill Bit BOSCH CO2148 21/64 In. x 4-5/8 In. Cobalt Drill Bit
10 Orion Motor Tech 131PC SAE Thread Repair Kit, HSS Drill Helicoil Kit Standard, 1/4' 5/16' 3/8' 7/16'... Orion Motor Tech 131PC SAE Thread Repair Kit, HSS Drill Helicoil Kit Standard, 1/4" 5/16" 3/8"...
11 JMMRRR 15 PCS Metric Thread Repair Insert Kit M12*1.75mm Drill Bit Taps Tool Set for Internal Screw... JMMRRR 15 PCS Metric Thread Repair Insert Kit M12*1.75mm Drill Bit Taps Tool Set for Internal...
12 ATPEAM Metric Thread Repair Tool Kit | 131PCS HSS Drill Bits Taps Threaded Inserts Installation Tool... ATPEAM Metric Thread Repair Tool Kit | 131PCS HSS Drill Bits Taps Threaded Inserts Installation...
13 Helicoil 5543-11 M11 x 1.25 Metric Fine Thread Repair Kit Helicoil 5543-11 M11 x 1.25 Metric Fine Thread Repair Kit
14 BOSCH CO2152 25/64 In. x 5-1/8 In. Cobalt Drill Bit BOSCH CO2152 25/64 In. x 5-1/8 In. Cobalt Drill Bit
15 DEWALT DW1917 17/64-Inch Gold Ferrous Oxide Pilot Point Twist Drill Bit DEWALT DW1917 17/64-Inch Gold Ferrous Oxide Pilot Point Twist Drill Bit
16 IVY Classic 04129 29/64-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, Reduced Shank, 1/Card IVY Classic 04129 29/64-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, Reduced Shank, 1/Card
17 Drill America - DWDRSD3/8X33/64 33/64' High Speed Steel Reduced Shank Drill Bit with 3/8' Shank,... Drill America - DWDRSD3/8X33/64 33/64" High Speed Steel Reduced Shank Drill Bit with 3/8" Shank,...
18 BOSCH CO2153 13/32 In. x 5-1/4 In. Cobalt Drill Bit BOSCH CO2153 13/32 In. x 5-1/4 In. Cobalt Drill Bit
19 Big-Sert 5112D M11 x 1.25 Oversized Metric Thread Repair Kit Big-Sert 5112D M11 x 1.25 Oversized Metric Thread Repair Kit
20 SWANLAKE 166PCS Thread Repair Tool Kit,HSS Drill Helicoil Repair Kit Metric M5 M6 M8 M10 M12 SWANLAKE 166PCS Thread Repair Tool Kit,HSS Drill Helicoil Repair Kit Metric M5 M6 M8 M10 M12
Bestseller No. 1
TAILUG Inch Thread Repair Kit, 131Pcs Helicoil Repair Kit in 1/4" 5/16" 3/8" 7/16" 1/2" HSS Drill...
  • 【WIDELY USED】: Our drill and tap set creates a stronger internal thread in soft metals and protects tapped threads against wear and damage. It is...
  • 【INCH】: Standard 131pcs inch thread repair kit, includes HSS drill bits, wire thread inserts, STI taps, installation and tang break tools. 1/4",...
  • 【EXCELLENT MATERIAL】: The helicoil kit is made of high-speed steel, with better hardness and toughness after heat treatment. Chrome finish surface...
  • 【HIGH PRECISION】: 135° apex angle of twist drills, with stronger metal penetration and higher efficiency. HSS screw taps have precise screw...
  • 【PORTABLE & GUARANTEE】: Everything you’ll need for thread repairing is supplied in a durable carry case, ensuring safe storage and protection...
Bestseller No. 2
Orion Motor Tech Metric Thread Repair Tool Kit | HSS Drill Bits Taps Threaded Inserts Installation...
  • ALL-IN-ONE KIT: This 131-piece thread repair tool kit by Orion Motor Tech includes bits, taps, and inserts in the 5 most needed Metric sizes: M5, M6,...
  • PURPOSE BUILT: The installation tools in this helicoil kit are constructed from high-speed steel for superior handling while the inserts are...
  • WIDE APPLICATION: Our drill and tap set is ideal for restoring stripped or damaged internal threads as well as for performing maintenance work to...
  • EASY TO USE: The convenient carrying case holds and organizes all the parts for easy transport and storage between jobs; on the site, the drill bits...
  • SATISFACTION GUARANTEED: Order with your peace of mind assured thanks to Orion Motor Tech's usual strong warranty and friendly 24/7 customer service
Bestseller No. 3
DAYUAN 131pcs Helicoil Metric Thread Repair Kit, HSS Drill Thread Insert Repair Tool M5 M6 M8 M10...
  • This 131pcs thread repair kit is the perfect solution to a damaged or stripped tapped hole
  • It's suitable for M5, M6, M8, M10 and M12, the kit creates a stronger internal thread in soft metals and protects tapped threads against wear and...
  • This re-thread tool full set include: insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools
  • All tools were packed in a convenient steel carrying case, ease and fast in collecting and placing the tools.
  • Coarse Thread Inserts Coil Size: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm
Bestseller No. 4
Shkalacar 30Pcs Metric Thread Repair Kit, Metric Thread Threaded Inserts Installation Tool...
  • This thread repair kit is the perfect solution to a damaged or stripped tapped hole.
  • Compatible with M3 M4 M7 M9 M11, creates a stronger internal thread in soft metals and protects tapped threads against wear and damage.
  • This repair kit includes insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools.
  • With package case, convenient to store and carry, you can easy and fast to collect and take out.
  • Made of premium quality material, reliable and durable for a long time use.
Bestseller No. 5
YAKAMOZ 30Pcs Thread Repair Insert Kit Damaged Threads Rethreading Drill Bit Taps Tool Set for...
  • All in One Kit: The thread repair kit including thread inserts, drill bit, thread tap, insert installation, lug breaking tool, allow you have smooth...
  • Size: Come with 25Pcs M6 x 1mm Wire Thread inserts, ideal for restoring damaged threads, stripped internal threads and creates a stronger internal...
  • Easy to Use: Complete configuration, the drill bits quickly create room for the installation tools to smoothly fit the inserts that repair your old...
  • Widely Use: Ideal for repairing damaged threads or worn out threads, suitable for engine repair and other automotive.Can be used in daily repair, car...
  • High Quality Control: Made from precision stainless steel wire for strength, wearproof and durability which can increase connection strength and...
Bestseller No. 6
15 Pcs Thread Inserts M14x1.5 Female Thread Repairing Accessory Assortment Kit Drill Helicoil Repair...
  • Extremely stable performance: This thread helical coil repair tool kit is made of high speed steel and red color plastic handle, sturdy and durable in...
  • Excellent practicability: The wire screw set is placed in the screw hole of the workpiece such as aluminum alloy to form a standard internal thread...
  • Cost effective thoughtful kit: The use of wire screw sleeves for mm ---inch threaded hole conversion is convenient and fast. The imported equipment or...
  • Definitely recommend: Thread helical coil repair tool kit is ideal for restoring damaged threads, suitable for engine repair and otherautomotive...
  • Package list: 1 x Spiral drill; 1 x Screw tap; 1 x Wrench; 1 x Break pin tool; 1 x Hex wrench; 10 x Thread repair insert; Thread Insert Size: M14x1.5;...
Bestseller No. 7
10PCs Thread Repair Kit, Metric M18x1.5mm Stainless Steel Thread Repair Insert Kit Twist Drill...
  • 【HIGH PRECISION & HIGH STRENGTH】The threaded inserts can be placed in the screw hole of the workpiece such as aluminum alloy to form a...
  • 【REPAIRING THREAD INSERTS】When there is a thread processing error or a damaged internal threaded hole is repaired, the wire threaded sleeve is...
  • 【CONVENIENT USE】It is convenient and quick to use wire thread inserts to convert between metric and inch threaded holes. The imperial thread of...
  • 【VERSATILITY AND WIDE APPLICATION】Fit the wire screw set in the screw hole of the workpiece of aluminum alloy and other materials to form a...
  • 【PREMIUM MATERIAL AND DURABILITY】High quality stainless steel material and advanced technology can make sure the durability and stability of the...
Bestseller No. 8
MAXTOOL 13/32" 2pcs Identical Screw Machine Drills HSS M2 Twist Stub Drill Bits Black & Bronze Fully...
  • Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood...
  • All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)
  • Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without...
  • Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for...
  • Stub Drills were developed for screw machine operations where regular drills are too long for small spaces; The short length reduces breakage and...
SaleBestseller No. 9
BOSCH CO2148 21/64 In. x 4-5/8 In. Cobalt Drill Bit
  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
  • Available in jobber length, full shank
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Bestseller No. 10
Orion Motor Tech 131PC SAE Thread Repair Kit, HSS Drill Helicoil Kit Standard, 1/4" 5/16" 3/8" 7/16"...
  • ALL-IN-ONE KIT: This 131-piece thread repair tool kit by Orion Motor Tech includes bits, taps, and inserts in the 5 most needed SAE sizes: 1/4",...
  • PURPOSE BUILT: The installation tools in this helicoil kit are constructed from high-speed steel for superior handling while the inserts are...
  • WIDE APPLICATION: Our drill and tap set is ideal for restoring stripped or damaged internal threads as well as for performing maintenance work to...
  • EASY TO USE: The convenient carrying case holds and organizes all the parts for easy transport and storage between jobs; on the site, the drill bits...
  • SATISFACTION GUARANTEED: Order with your peace of mind assured thanks to Orion Motor Tech's usual strong warranty and friendly 24/7 customer service
Bestseller No. 11
JMMRRR 15 PCS Metric Thread Repair Insert Kit M12*1.75mm Drill Bit Taps Tool Set for Internal Screw...
  • 【Package Details Introduce】15pcs thread repair tool kit, all made according to professional standard, includes 1 twist drills, 1 screw taps, 1...
  • 【Wide Application】This thread repair kit is for M12 to repair damaged or worn out threads, the drill bit is about 12.4 mm in diameter, this kit...
  • 【Excellent Material】The thread repair tool kit made from precision stainless steel wire for strength, wearproof and durability which can increase...
  • 【High Precision & Intimate Design】Twist drill bits are used 135° top angle design with stronger metal penetration, HSS screw taps have precise...
  • 【Quick Storage & Portable】Thread repair tool kit with a storage box, each accessory has its place, for easy transport and storage between jobs,...
Bestseller No. 12
ATPEAM Metric Thread Repair Tool Kit | 131PCS HSS Drill Bits Taps Threaded Inserts Installation Tool...
  • A Complete Thread Repair Set: This 131-piece thread repair tool kit by ATPEAM includes bits, taps, and inserts in the 5 most needed Metric sizes: M5,...
  • Extra Long Last: The installation tools in this helicoil kit are constructed from high-speed steel for superior handling while the inserts are...
  • Easy To USE: The convenient carrying case holds and organizes all the parts for easy transport and storage between jobs; on the site, the drill bits...
  • Wide Application: our drill and tap set is ideal for restoring stripped or damaged internal or external threads as well as for performing maintenance...
  • Package Included: 5x Twist Drill Bits; 5x Break Pin Tools; 5x Installation Tools; 1x Hex Key; 5x Taps; 110x Wire Thread Inserts
SaleBestseller No. 13
Helicoil 5543-11 M11 x 1.25 Metric Fine Thread Repair Kit
  • Includes 6 inserts, complete instructions, Heli-Coil tap and installation tool
  • Used for repairing tapped holes
  • Made from high quality material
  • Comes in a carded package
  • Easy to use
Bestseller No. 14
BOSCH CO2152 25/64 In. x 5-1/8 In. Cobalt Drill Bit
  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
  • Available in jobber length, full shank
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Bestseller No. 15
DEWALT DW1917 17/64-Inch Gold Ferrous Oxide Pilot Point Twist Drill Bit
  • 17/64" PILOT PT DRILL BIT
  • 17/64" PILOT PT DRILL BIT
  • 17/64" PILOT PT DRILL BIT
  • 17/64" PILOT PT DRILL BIT
  • 17/64" PILOT PT DRILL BIT
Bestseller No. 16
IVY Classic 04129 29/64-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, Reduced Shank, 1/Card
  • Jobber length drills designed for stainless steel, hard steel, wood and plastic, Swift Bore (Registered Trademark)
  • Cobalt Steel withstands abrasion and heat generated by hard-to-machine metals
  • Precision ground, gold-finished Cobalt Steel retains hardness at high temperatures
  • 135-degree split point for fast penetration and accurate self centering
  • Diameter: 29/64-inch, Overall Length: 5-5/8-inch, Shank: 3/8-inch Reduced Shank
SaleBestseller No. 17
Drill America - DWDRSD3/8X33/64 33/64" High Speed Steel Reduced Shank Drill Bit with 3/8" Shank,...
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for drilling in low and medium tensile strength materials
Bestseller No. 18
BOSCH CO2153 13/32 In. x 5-1/4 In. Cobalt Drill Bit
  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
  • Available in jobber length, full shank
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Bestseller No. 19
Big-Sert 5112D M11 x 1.25 Oversized Metric Thread Repair Kit
  • BIG-SERT Oversized Metric Kit M11 X 1.25 Part # 5112D
  • M11x1.25 BIG-SERT OVERSIZED REPAIR FOR FAILED HELICOIL
  • The kit includes: Drill, counterbore, tap, tap guide, sealer, install driver & 5 inserts 30mm length
  • This kit was originally made for some Nissan blocks where the head bolts started at the top of the block. Short tooling could be used.
Bestseller No. 20
SWANLAKE 166PCS Thread Repair Tool Kit,HSS Drill Helicoil Repair Kit Metric M5 M6 M8 M10 M12
  • 1.This 166pcs Thread Repair kit is for repairing damaged or stripped Internal screw threads.
  • 2.Set includes :5 installation tools,5 break pin tools,5 twist drills ,5 taps,1 hex key and 145pcs wire thread inserts (M5,M6,M8,M10,M12).
  • 3. The installation tools in this kit is made by high-speed steel for superior handling.one HSS tap for each size, one HSS drill for each size, 2...
  • 4.The kit has 166 Pieces, all made according to professional standard.its suitable for engine repair and other automotive applications.
  • 5.It packed in a convenient steel carrying case, easy and fast in storage.

Having trouble finding a great Helicoil Drill Bit Size?

This problem is well understood by us because we have gone through the entire Helicoil Drill Bit Size research process ourselves, which is why we have put together a comprehensive list of the best Helicoil Drill Bit Sizes available in the market today.

After hours of searching and using all the models on the market, we have found the best Helicoil Drill Bit Size for 2023. See our ranking below!

How Do You Buy The Best Helicoil Drill Bit Size?

Do you get stressed out thinking about shopping for a great Helicoil Drill Bit Size? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Helicoil Drill Bit Size, which is why we have assembled a comprehensive list of the greatest Helicoil Drill Bit Size available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Helicoil Drill Bit Size that you consider buying. Your questions might include the following:

  • Is it worth buying an Helicoil Drill Bit Size?
  • What benefits are there with buying an Helicoil Drill Bit Size?
  • What factors deserve consideration when shopping for an effective Helicoil Drill Bit Size?
  • Why is it crucial to invest in any Helicoil Drill Bit Size, much less the best one?
  • Which Helicoil Drill Bit Size are good in the current market?
  • Where can you find information like this about Helicoil Drill Bit Size?

We’re convinced that you likely have far more questions than just these regarding Helicoil Drill Bit Size, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Helicoil Drill Bit Size, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Helicoil Drill Bit Size. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Helicoil Drill Bit Size buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Helicoil Drill Bit Size currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Helicoil Drill Bit Size has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Helicoil Drill Bit Size?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Helicoil Drill Bit Size.
  5. Customer Ratings: Number ratings grade Helicoil Drill Bit Size objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Helicoil Drill Bit Size.
  7. Product Quality: You don’t always get what you pay for with an Helicoil Drill Bit Size, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Helicoil Drill Bit Size is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Helicoil Drill Bit Size information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Helicoil Drill Bit Size is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How to size helicoil?

A: How to calculate the size of a helicoil drill? F is equal to the insert nominal length (Q) + ½ the nominal bolt diameter + 5 Pitch (allowing for tap chamfer, countersink and maximum “set-down”).

Q: How to install a helicoil?

A: Align the insert Thread the insert onto the installation tool Feed the tool with the insert on it into the STI tapped hole Ensure that the helicoil is somewhere between ¼ to ½ turn below the surface. …

Q: What size is a drill bit?

A: Drill Bit Lengths Jobber-length drill bits are the most common, with a length somewhere between 9 to 14 times the diameter. Screw-machine-length drills arethe shortest available standard sized bits. … Aircraft-length drills are extended length drill bits that are manufactured in fixed length such as 4, 6, 8, 12, 18, 24-inch bits, rather than proportional lengths.

Q: How are drill bit sizes measured?

A: Drill bit sizes are measured in inches , you have a half of a inch and a inch and a quarter,an eighth of an inch, sixteenths of an inch and so on and so forth. All the way down to 64ths of an inch. It seems the technical aspects of how the bits are measured have been answered.