FREE Shipping on orders over $25 shipped by Amazon. All Items. When searching for a stock torsion spring, you base your search on its parameters and tolerances. In Italian stiletto and lever lock switchblades alone, there are many variations. SSSSS. Switchblades are also known as automatic knives, pushbutton knives, ejector knives, and a variety of other names. You only need one spring but we … I just wish I'd thought to look before. Attention! Knife Spring Replacement If none of the above solutions work, it's time to look at the springs. Because these springs are very small and must be very strong in order for the knife of the switchblade to swing out in the speed it does, the spring may be pre-torqued for more than 180º, which is the distance traveled from when it is closed to when it is opened. The stronger your spring is, the faster it'll swing out but the harder it'll be to fold it back in. 5.0 out of 5 stars Great replacement spring.  -------------- After you have figured out how you want to display the results of your Spring Finder search, you can begin finding potential products based on the suggested max load and deflection/travel, as well as the spring rate. View Cart Checkout. We do have hundreds of springs in stock but, most likely, you will find springs similar to yours, not exact replicas. For the best experience on our site, be sure to turn on Javascript in your browser. Preppers Shop UK is a leading UK Knife Shop. Ordered the large replacement spring, it promptly arrived the next day, and after a short fiddle the new spring snapped into place - and I have my SAK scissors back to full function! Compression springs are also known as coil springs. This was a relatively minor repair. The material type isn't the only factor that plays in your spring's torque though. Switchblade knives are made of a blade and an exterior housing or case. length), Leaf Spring Material - .070 - (6 in. Learn about their dimensions and how they work. If you find better price, just email me. Conical springs are also known as tapered springs. If you order one you will receive 1 set of 2 that combine to make one spring.  Kit Instructions If you are seeking for affordable spring dreses with the best quality, we have great collections of designs for you. Description We don't recommend you convert the knife yourself, but if you have an already converted knife and need a spring--this is the one you need. Repair and Restoration of Spring Operated Knives. Switchblade knives are becoming increasingly popular while more and more states are removing the legal limitations on these items. Kits: The "kits" are actually knife parts and are sold without the scales. Feel free to contact our sales and engineering teams for help on design or finding your extension springs. Springs for knives are torsion springs. The manufacturer is working as fast as possible. Enter Your Compression Spring’s Dimensions, English (inches and pounds) or Metric (millimeters and Newtons) units of measurement, Step 1.) Spring rate is the proportional amount of force per one unit of distance traveled. The number of results you will get depends on the dimensions and ranges you entered. Since we manufacture our automatic switchblade replacement coil springs ourselves, we are not subject to the high pricing seen elsewhere and generally offer our replacement springs for less than any other switchblade replacement spring source available anywhere. Definition: Torsion springs used in the mechanisms of retractable knives to allow the knife to swing out automatically with the push of a button. If you are interested in buying a stock compression spring, you must know what you require your spring to do and where it will have to fit. Specifications. They provide rocket-like action and offer a solid kick. We also offer leaf spring material for repair and improvement of leaf spring fired switchblade knives. When you find the spring that meets your load and travel requirements, you can then check whether the spring rate meets your working loads. Home; My account; About; Quality Assurance; Contact; Statement on Covid-19; header menu. The law regarding Spring Assisted Knives in the UK is set to change. Use keywords to find the product you are looking for. These results are displayed in a table/list as default but you can select to view them in a grid format where they will be shown side to side. Learn about their dimensions, specifications, and how they work. To enter the Compare Products page, find the link at the top of the page. The fields provided in the finder each correspond to a particular spring specification. After clicking “Search” on the Finder, you will be directed to a page of results. Thanks a lot! These springs usually have 3.75 or 4.75 coils and their legs have offset bends. Its usually just a quick e-mail that will get you a bag of replacement springs from Kershaw if you do have a problem so I think a lot of people who aren't afraid to take their knives apart are pleased to know that replacements are readily available. Display price: Per 100 units Per single unit Per 100 units Per single unit £ 0.00 0. This set of two combines to make your drive spring in any mikov auto ever built. Spring design is very extensive since there are several subjects to learn about per spring type. Check this out! We even offer a line of DIY convertible button release knives that can be made into coil fired automatic knives for first responders, fire, rescue and other professions where one-handed automatic opening knives are needed and used daily. SwissTool.co.uk is an authorised Victorinox Stockist. The button that triggers the blade open releases the spring's leg attached to the blade so the stored energy in the spring's coils from the pre-torque, make the spring push its leg up to its free position. In addition to making custom handmade knives, I also offer knife repair, refurbishing and restoration services. Furthermore, you can check pricing at different quantities by clicking on the Quick View icon. They are non-linear compression springs for they are open wound but have variable coil diameters. They are close wound linear springs because there is initial tension keeping the coils together as to be pulled apart. Feel free to contact our sales and engineering teams for help on design or finding your torsion springs. Furthermore, you can check pricing at different quantities by clicking on the Quick View icon. You can find the spring based on the maximum load or the maximum deflection. Guaranteed! The spring is torqued or "loaded" when the knife is closed. To understand this concept, we've provided our torsion spring force chart. You can choose to view from fourteen to two-hundred-and-eighty results in one page and you can choose whether to view them in a table/list or side by side as products in grid format. We will keep you updated - thank you for your understanding. For automatic knife and switchblade replacement coil springs, or button-lock release kits and other automatic knife accessories, please follow the below links: *DDR3-BL Combo Kit - DIY Parts Kit w/Zebrawood Scales, *DDR3-BL Combo Kit - DIY Parts Kit w/Walnut Scales, *DDR3-BL Combo Kit - DIY Parts Kit w/Padauk Scales, *DDR3-BL Combo Kit - DIY Parts Kit w/Lacewood Scales, *DDR3-BL Combo Kit - DIY Parts Kit w/Curly Maple Scales, *DDR3-BL Combo Kit - DIY Parts Kit w/Canarywood Scales, *DDR3-BL Combo Kit - DIY Parts Kit w/Wenge Scales, *DDR3-BL - Button Lock Folder - Folding Knife Kit, *SS-3.0 - Super Squirt SR - Button Lock Folding Knife Kit - (Blackout Finish) - Parts Kit, *SS-3.0 - Super Squirt SR - Button Lock Folding Knife Kit - (SS Finish) - Parts Kit, *SS-2.0 - Super Squirt - Button Lock Folding Knife Kit - SS Finish - Parts Kit, Boker - Magnum - Tanto/Plain - (Button Lock), *SS-2.0 - Super Squirt - Button Lock Folding Knife Kit - Black Finish - Parts Kit, AUTOMATIC KNIFE CONVERSION - (Coil Spring) - DVD Instructional Video, Camillus Cuda Dominator- Replacement Leaf Spring, Leaf Spring Material - .070 - (12 in. Spring Finder is divided into a basic search and an advanced search. JavaScript seems to be disabled in your browser. Brand: … This is to be able to compare them side by side in a more efficient manner. Initially, it gives you three parameters to search your spring by but gives you the opportunity to expand it into a more advanced search where you have more parameters to choose from. At KnifeKits, we manufacture and carry the world's most extensive line of automatic coil springs which are designed to replace many popular coil springs in automatic switchblade knives today. Oli K . Please fill in one or more fields to narrow down your search. Our design articles will help you discover things like how to measure your spring, how to calculate spring rate, and how to calculate your working loads based on your spring rate. You are able to input the replacement spring's minimum and maximum tolerances on which the spring finder search engine will base its search off of.  Photo Gallery #2 Here at DNA Leisure, we stock the biggest range of spring assisted knives available anywhere in the UK! Pins (+ pivot pin) and rivets are included. SSSSS (1) Quantity. A simple push of the button causes the blade to come out and it goes back inside with another push. 13 posts • Page 1 of 1. patnude Posts: 182 Joined: Fri Sep 27, 2002 3:14 am. From coil springs for switchblade replacement to knife spring pocket cutting tools for automatic knife conversions, we have the automatic knife making tools and parts that you need. Initially, it gives you three parameters to search your spring by but gives you the opportunity to expand it into a more advanced search where you have more parameters to choose from. If the spring index isn't too tight. We have a Spring Finder tool which will help you find replacement springs with similar designs to your original spring based on physical dimensions and force. Replacement Spring for Scissors on Mini (58mm) Swiss Army Knives. Description Need a Mikov Replacement Spring? > Cocobolo, Snakewood and stag Leverlettos available again Wondering how Mikov auto works and how to remove the spring? spring assisted knives. These automatic knife coil springs are designed to be used in custom handmade automatic knife making, as well as high-performance automatic coil spring replacements for standard production switchblades and other automatic factory knives. Thank you! Or you can send it in and have it replaced. Item #GX-7497 Specifications. 99. This is a forum for discussion on automatic an switchblade knives. Some states such as Arizona or Florida allow them to be carried whilst other states limit them to being collectibles only. Show All Specs. 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2020 automatic knife replacement springs