{"product_id":"chazcool-m4-x-0-7-thread-repair-kit-50-stainless-steel-inserts-2d-length-with-tap-tool","title":"Chazcool M4 x 0.7 Thread Repair Kit — 50 Stainless Steel Inserts, 2D Length with Tap \u0026 Tool","description":"\u003cp\u003e\u003cstrong\u003eChazcool's M4 x 0.7 Thread Repair Kit supplies fifty stainless-steel M4 x 2D inserts plus the tap, installation tool, tang breaker and drill bit needed to rebuild stripped or worn M4 threads.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf fastener holes in aluminum, plastic or other low-strength materials wear out, a threaded insert restores a strong, repeatable M4 connection instead of replacing the part. These stainless-steel coil-style inserts expand the life and reliability of screw joints by evening load distribution, resisting wear and reducing the chance of thread failure when components are removed and reinstalled often.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these M4 inserts improve a frequently disassembled part?\u003c\/h3\u003e\n\u003cp\u003eThe inserts provide a durable stainless-steel internal thread that resists wear far better than soft base materials. Their slight elasticity evens contact across threads, reduces micro-misalignment, and helps absorb vibration from moving assemblies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless-steel inserts replace weak native threads for longer life.\u003c\/li\u003e\n  \u003cli\u003eElastic coil design distributes load evenly across threads.\u003c\/li\u003e\n  \u003cli\u003eReduces thread wear from repetitive assembly and disassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools are included and what steps are required for installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes an M4 installation tool, an ST4 tap, a tang breaker and a drill bit, which lets you tap and install the insert into the prepared hole and then remove the tang. Basic drilling, tapping and insertion are all that’s needed—no specialty equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse the provided drill bit to clear the damaged hole to the correct diameter.\u003c\/li\u003e\n  \u003cli\u003eTap the hole with the included ST4 tap to accept the insert body.\u003c\/li\u003e\n  \u003cli\u003eInstall the insert using the M4 tool and snap off the tang with the tang breaker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich materials and applications are these inserts suited for?\u003c\/h3\u003e\n\u003cp\u003eThese M4 stainless inserts are designed for lower-strength substrates such as aluminum, softer alloys and many plastics where screw threads are prone to stripping. They are commonly used in enclosures, machinery panels, electronic mounts, and repair work where repeated removal is expected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBest for aluminum parts, light alloys and many plastics.\u003c\/li\u003e\n  \u003cli\u003eIdeal for enclosures, brackets, fixtures and maintenance repairs.\u003c\/li\u003e\n  \u003cli\u003eUseful wherever repeated fastening reduces thread life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSpecifications: stainless-steel material, M4 internal diameter, installed length 2D = 8 mm, quantity 50 inserts, approximate kit weight 89 g. Package includes 50 x M4 x 2D threaded inserts, 1 x M4 installation tool, 1 x ST4 tap, 1 x tang breaker and 1 x drill bit. Note: the main insert style may be shipped randomly; order only if that variability is acceptable.\u003c\/p\u003e\n\n\u003cp\u003eWho is this for? Technicians, hobbyists and maintenance teams who need to repair or reinforce stripped M4 threads without replacing parts will find this kit especially useful. It suits anyone maintaining machinery, electronics housings, furniture or automotive trim where robust, repeatable M4 screw connections are required.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install these inserts with common hand tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes the tap and installation tool; you only need a drill and basic hand tools to fit the inserts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these fit a damaged M4 hole in aluminum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These stainless M4 x 2D inserts are designed to restore stripped M4 threads in aluminum and similar low-strength materials.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Chazcool","offers":[{"title":"Default Title","offer_id":55161869959511,"sku":"B0CLLQKLJM","price":30.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/chazcool-front-packaging.jpg?v=1790333105","url":"https:\/\/britishgarage.co.uk\/products\/chazcool-m4-x-0-7-thread-repair-kit-50-stainless-steel-inserts-2d-length-with-tap-tool","provider":"British Garage","version":"1.0","type":"link"}