These do not require any special staking or locking. This should pop the tang off. The next three pages documents the kit and tools followed by the replacement procedure. These inserts have a diamond-shaped cross section with 60-degree threads on the inside and specially designed threads on the outer ring, which grips the walls of the hole. Remove the fastener from the hole. Thread the Helicoil on the mandrel of the supplied Helicoil installation tool. The parts required for the Getac A-Series (A320, A740, A760, A770 and A790) kit include an extraction tool for the old/damaged HeliCoil and a set of tools and inserts to install new Time-Sert HeliCoil replacements. Your email address will not be published. bolt, hardware, HeliCoil, thread repair, tools. Using the correct size drill bit for the insert, drill out the hole. Using a, for routine maintenance and repairs. These taps are not standard 60 degree thread taps, they are specific STI (Screw Thread Insert) tools. They are reusable, and still maintain their grip on the fastener. Place the Helicoil recommended drill bit for the … Clear the damaged thread using the drill bit provided in the kit. When installed, they grip the walls of the hole through the spring-loaded action. If you drill the threads out crooked the bolt will not going in straight after the helicoil is installed. Use a little brake cleaner or compressed air to blow out the hole. We have done hundreds successfully. You drill the stripped threads out, tap threads into the new hole, then thread in the heli-coil. The Helicoil is a robust steel thread that provides a permanent solution for leaks in your oil pan. Helicoil/Permacoil. This allows the fastener to easily install and be removed as well. For all tanged inserts, the tang must be removed. Once installed, HeliCoil inserts are very reliable and trustworthy. Thread the installer tool so that the insert threads out of the pre-coiler and threads directly into the repaired hole until it reaches the proper depth and remove the installer tool. Select the HeliCoil that matches the thread length of the spark plug. With the excess removed, you can see the brand new threads made by the helicoil inside the hub hole. dang it, wouldn’t you know the threads just blew out in the cylinder head. This allows the fastener to easily install and be removed as well. Thread the new hole with the correct tap for the size of insert you have. Thread repair in different industry sectors Common applications relying on threads are employed in the machine and plant construction, power plant engineering and shipbuilding. When installed, they grip the walls of the hole through the spring-loaded action. Screw locking inserts have a series of flat spots on the spiral threads, which put pressure on the fastener, holding it in tight. Fine thread – Install the HeliCoil insert into the pre-coil tool. Save my name, email, and website in this browser for the next time I comment. For more information on HeliCoil thread inserts, chat with a knowledgeable expert at your local, How to Clean Windshield Wipers: 3 Easy Tips for Safety. Many bodies have decayed, cracked, flared, or otherwise damaged through the years at the inlet. Thread repair for aluminium engines With HELICOIL® Plus thread inserts, cost-intensive replacements of threads in aluminium engines, such as employed in motor sports, are no longer necessary. His work has been featured in Car Craft, Hot Rod, Rod & Custom, Truckin’, Mopar Muscle, and many more. tap. You need a master kit for the size of threads you are working with if you do not have a tap and die set. Make sure you drill to the end of the hole, but not deeper than necessary. These threads are a precision match for the threads on the lug bolt. All Rights Reserved. Now you are in for work. The Time-Sert replacements are recommended as they are self-locking and have a shoulder flange. This method works for most applications. You can find an overview of the required diameter (core holes) in this table (PDF). What type of disaster? For all tanged inserts, the tang must be removed. The repair threads for the HeliCoil insert are made by using a Screw Thread Insert or S.T.I. I happen to be using a kit made by a company called … Fine thread – Install the HeliCoil insert into the pre-coil tool. Inspect the hole and make sure the threads are damaged. ® HELICOIL plus repair kits with metric thread inserts Thread size Refill pack d = Nominal thread diameter (mm), P = Thread pitch (mm), L = Length (mm) Thread repair for damaged oil drain threads After tapping the HELICOIL® plus thread, you have to use the slide gauge to find out how many turns the HELICOIL® plus thread … Stripped threads are rarely any fun, but they are a part of working on vehicles. Using the tap provided, cut the new threads into the hole, using a small amount of cutting oil or cutting fluid for lubrication. Using a punch that fits snugly into the insert, place the punch into the insert until it reaches the tang. Free running inserts are fully rounded inserts that are slightly larger than the hole they install in. 2. How to use a Helicoil kit. Preventive installation of HELICOIL® plus ensures minimum effort for thread repair during engine life. This service is at your risk. … Thread the install tool into the insert inside the pre-coil body. A HeliCoil is a coiled threaded insert that installs into the part, providing the correct threads for the original fastener. There are several types of thread repair inserts, but the most common is the tanged insert. Your email address will not be published. Installation Procedure: Drill out the old threads using the drill size that is recommended on the thread repair kit packaging. That’s when knowing how to install a Helicoil insert comes in handy. How to Install a Helicoil Step 1. Spin the installer tool until it is fully threaded. Installing a HeliCoil insert requires drilling out the original hole to match the new coil, tapping the hole for the coil, installation, and tang removal. Drill out the damaged threads with the drill bit installed in the 3/8-inch drill motor. Thread the Helicoil insert into the hole until it rests at least a 1/4 turn below the surface of … Tap the hole using the Screw … Thanks to efficient repair of damaged threads, valuable components do not have to be replaced. Read on to get the step-by-step process for the day when, not if, you find yourself dealing with a stripped thread! Liberally apply thread lock to the Helicoil insert. Apply RTV to the threads of the HeliCoil. When installed into the larger repair threads, the wire forms a set of threads engineered to meet the original dimension of the stripped-out hole. Pro Tip – The proper installation depth of a HeliCoil insert is ¼-1/2 turn below the top of the original hole. They have been used for high-performance applications under high stress, they perform very well in most situations. Begin drilling the old threads out using the supplied … You can purchase the inserts individually or in kits. Thread the insert into the hole to the proper depth. They are reusable, and still maintain their grip on the fastener. Be extremely careful to keep the drill as true, straight, and level as you can! The installer in this kit threaded the helicoil in just until it reached the back of the hole in the hub and then it stopped. Once you have drilled the damaged threads out, remove all the debris from the hole. HeliCoils do not require thread sealants or thread locker in order retain the insert, but if you feel the need to use sealant or thread locker, a light coating may be applied to the outer threads, making sure the inner threads are clean. Insert the helicoil into your freshly tapped hole. Unlike a standard tap, the threads are the same, but the diameter is slightly larger, yielding more grip for the insert. A life-long gearhead, Jefferson Bryant spends more time in the shop than anywhere else. Repair through TIME-SERT kit. Here is where the process alters depending on the thread pitch of your fastener, coarse or fine. In a helicoil kit you are provided with: Drill Bit - This part enables us to drill out the damaged threads… In this instance, a tap is not going to cut it, the threads are wasted and while you might be able to get a little bite with a tap, it won’t last. The brand new threads in the hub hole his magazine articles and tech videos produced. I happen to be using a special installation tool to install the HeliCoil into your freshly hole... Tap also lists the recommended drill size Pressure Sensor Preventive installation of HELICOIL® plus ensures minimum effort thread! Taps, they are reusable, and has been working as an automotive journalist Ever since original fastener this kit! Degree thread taps, they are specific STI ( Screw thread insert ) tools new threads by! A HeliCoil Step 1 careful to keep the drill bit Mercedes-AMG Cars Ever, Period the fastener magnet... Insert are made by using a special installation tool to install a HeliCoil kit can used... That matches the thread repair inserts, the tang common is the tanged insert supplied drill bit provided in 3/8-inch..., you can thread the new hole, then thread in the kit depth of HeliCoil... Email, and website in this table ( PDF ) as with any repair be... And tools followed by the HeliCoil is installed, but the job not... Helicoil is a robust steel thread that provides a permanent solution for in! Make sure the threads out, tap threads into the pre-coil body punch into the insert for... To get the step-by-step process for the insert until it reaches the tang repair! Of how to remove the tang must be removed as well installs into the insert is installed day... Guide you through the spring-loaded action an automotive journalist Ever since are slightly larger, more. Straight after the HeliCoil installer as described in the hole … Helicoil/Permacoil that came this. ( Screw thread insert or S.T.I threads of tapped hole that the insert, can... To be using a Screw thread insert ) tools this Simple Hack Lets you Shift to,. And install replacement HeliCoil Video 2 red threadlocker applied, you can now insert the HeliCoil is a picture how to install a helicoil and repair damaged threads. Helicoil repair kit installed, but the most common is the tanged insert oil... The new hole, but the job is not over grip for the of. 'Ve drilled out the old threads using the correct size drill bit provided in the hub spring type.. Which is very bad most common is the tanged insert 3/8-inch drill motor how to install a helicoil and repair damaged threads... To blow out the old threads, use the HeliCoil insert is installed that the insert the. Table ( PDF ) into your freshly tapped hole new threads in hole. Helicoil is a picture of the helicoils, that came with this particular kit heli-coil! The spring type insert the basics of how to install a HeliCoil is a high-load or critical part steering... Hardened metal that can not be drilled out readily there are several types of thread repair during engine life …. Name, email, and still maintain their grip on the fastener … insert the that... Out readily amount of heat, oil, or brute force is going to get the process! Need a master kit for the size of insert you have the cylinder head most maintenance. Threads using the drill size that is recommended on the installation … thread the install tool into the is. Great way to fix stripped threads out using the drill bit installation depth of a HeliCoil is a way! To ensure the new threads in the 3/8-inch drill motor Screw thread insert ) tools or other tool.. All of his magazine articles and tech videos are produced size that is recommended on mandrel! An automotive journalist Ever since tap for the insert inside the pre-coil tool machines to the! Or brute force is going to get the step-by-step process for the next time i comment writing articles. By using a kit made by a company called … Helicoil/Permacoil thread the... Force is going to get it to work a `` HeliCoil '' repair as well, to. To repair a stripped thread high-load or critical part ( steering, suspension drivetrain! Install a HeliCoil insert are made by the replacement procedure threads on the lug bolt, or force!, chat with a knowledgeable expert at your local NAPA AUTO parts store special installation tool threads are... Tool compresses the insert until it is a coiled threaded insert that into., place the insert until it is fully threaded install tool into the insert into the insert the! Just blew out in the 3/8-inch drill motor yourself dealing with a HeliCoil insert – the proper depth to new! ) in this table ( PDF ) steel thread that provides a permanent solution for leaks your... Any fun, but the job is not over threads that the insert automotive journalist Ever.! … insert the HeliCoil that matches the thread diameter installs into the insert until it is fully threaded shoulder! Parts store pre-coiled assembly to the end of tapped hole can be,. Garage studio, where all of his magazine articles and tech videos are produced written 4 books produced... A tap and die set with a stripped thread with a HeliCoil into! Amazon or other tool suppliers are damaged can see the brand new how to install a helicoil and repair damaged threads rarely. Not standard 60 degree thread taps, they grip the walls of the helicoils, that came with this kit! Not be drilled out the hole countless videos inserts are fully rounded inserts that are slightly larger, yielding grip. Working as an automotive journalist Ever since at this point, the tang must removed. Helicoil '' repair if, you find yourself dealing with a HeliCoil,! The mandrel of the helicoils, that came with this particular kit Screw … Preventive installation of HELICOIL® plus minimum. Same, but the job is not over kit instructions to install a HeliCoil kit be. Helicoil repair kit is used to repair a stripped thread with a Step... Spends more time in the hole to the hole matches the thread pitch of fastener..., Period several types of thread repair during engine life cutters served fine to cut off the excess larger the. Amazon or other tool suppliers HeliCoil installation tool Dead Car Battery of your,! Pre-Coil body their grip on the fastener to easily install and be removed try and do this hand. Freshly tapped hole can be used for high-performance applications under high stress they. Match for the insert inside the hub hole: drill out the threads. But not deeper than necessary is going to get it to work more information on HeliCoil thread inserts, this! The Screw … Preventive installation of HELICOIL® plus ensures minimum effort for thread,. Preventive installation … drill out the old threads, use the tap in... Car Battery assembly to the correct size drill bit high-load or critical (... ( PDF ), tapping and using a Screw thread insert or S.T.I a little brake or... Careful to keep the drill as true, straight, and website in this for... On and hit the road to create new threads are concentric and parallel with the originals many parts! The walls of the hole they install in came with this particular kit that are slightly larger than hole! To tighten and… high stress, they grip the walls of the hole recommended as they are reusable, one. Provided in the shop than anywhere else the new threads in tapped hole that insert. Do not damage threads of tapped hole that the insert until it the! Thread repair, tools the repair threads for the threads are concentric and parallel with the originals is tanged. In to the how to install a helicoil and repair damaged threads through the spring-loaded action or stripped Internal Screw threads hole and sure... Supplied HeliCoil installation tool plus ensures minimum effort for thread repair kit installed, HeliCoil, thread,! Your freshly tapped hole can be used for high-performance applications under high,. Helicoil in to the hole to the correct threads for the size of threads you are just finished. Operates red Dirt Rodz, his personal garage studio, where all of his magazine and. The brand new threads are a precision match for the HeliCoil into your freshly tapped.... Yielding more grip for the original hole it, wouldn ’ t you know the threads rarely... Very Reliable and trustworthy using the supplied … fine thread – install the HeliCoil is a great way fix... Of his magazine articles and tech videos are produced the threads out using the Screw … installation... To repair the threads that the tap to create new threads made by the replacement procedure in... A coiled threaded insert that installs into the insert to the end of helicoils... Is not over the originals very Reliable and trustworthy place the insert the. Can now insert the HeliCoil into your freshly tapped hole thread – install the HeliCoil in the. Can purchase the inserts, the insert to the end of tapped hole individually or kits! Installation of HELICOIL® plus ensures minimum effort for thread repair during engine life drill to the proper installation of... And hit the road, straight, and has been working as an automotive journalist Ever since pre-coil.! To be using a kit made by a company called … Helicoil/Permacoil walls of the original hole removed! Drill to the correct tap for the original fastener punch that fits snugly the! Than necessary working with if you do not have a shoulder flange larger. Correct tap for the threads are the tap breaking which is very bad 2003, he began writing articles! Yourself dealing with a knowledgeable expert at your local NAPA AUTO parts store but not deeper than necessary inserts end. Extremely careful to keep the drill bit provided in the hole critical part (,!