--- product_id: 71065541 title: "M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment." brand: "universal hardware" price: "¥1850" currency: JPY in_stock: true reviews_count: 9 category: "Universal Hardware" url: https://www.desertcart.jp/products/71065541-m3-x-50mm-door-handle-through-bolts-slotted-sleeve-silver store_origin: JP region: Japan --- # M3 x 50mm precision thread Fits doors up to 40mm thick Solid metal with polished silver finish M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. **Brand:** universal hardware **Price:** ¥1850 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your door game with vintage precision and modern durability! ## Quick Answers - **What is this?** M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. by universal hardware - **How much does it cost?** ¥1850 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/71065541-m3-x-50mm-door-handle-through-bolts-slotted-sleeve-silver) ## Best For - universal hardware enthusiasts ## Why This Product - Trusted universal hardware brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision M3 Threading:** Engineered for seamless fit with vintage and retro door handles - • **Universal Compatibility:** Designed to securely fasten handles on doors up to 40mm thick, perfect for period property refurbishments - • **Restoration-Ready Design:** Ideal for Victorian, Edwardian, and retro-style door hardware projects—bring authenticity back in style - • **Complete Male-to-Female Set:** Includes matched bolt and sleeve pairs for effortless installation and rock-solid grip - • **Durable Solid Metal Construction:** Polished silver plating ensures long-lasting corrosion resistance and style ## Overview This M3 x 50mm silver slotted through-bolt set includes two male-to-female pairs designed to securely attach door handles, knobs, and escutcheons on doors up to 40mm thick. Crafted from solid metal with a polished silver finish, these bolts feature classic M3 threading compatible with older British-style hardware, making them perfect for restoration and period property projects. The pack of two ensures you have everything needed for a standard door installation, combining authentic style with reliable performance. ## Description M3 Silver Door Handle Screws with Bolt Connecting Sleeve Male to Female for Door Handle, Knobs Escutcheons and Others Pack of 2 [ M3 DOOR HANDLE SCREWS ] with Bolt Connecting Sleeve Male to Female for Fixing Door Handle, Knobs Escutcheons and Others (Silver) [ SILVER FINISH BOLT AND SLEEVE ] : Quality finish screw 50mm long. Screws head type COUNTERSUNK Slotted, Sleeve head type COUNTERSUNK Slotted [ MALE TO FEMALE SCREWS ] : Used to fasten door handles, knobs, roses and escutcheons. These screws with sleeves are used to replace existing or damaged screws that attaches two handles together. [ HANDLE SCREWS ] : The screws can be broken according to the length needed with the use of Electrician Pliers. Are used to replace existing or damaged screws that attaches two handles together. [ HOW TO USE SCREWS FOR HANDLES ] : Drill a hole through the door leaf, place door handle on the door to match up with the hole drilled and push the screw through the door handle, door leaf the handle on the other side. Attach the sleeve and tighten up. Follow these instructions for all 4 holes in the door handle. The result is a handle securely fixed with screws that cannot be pulled through Review: Bridging that gap - We have an airing cupboard door that is synthetic panels joined around a wooden former for the edges, and that former gets hinges and handles attached to it. Unofrtunately for us, the place where the handle should go is not where we wanted it to go, so we had to put handles where there is no wooden structure to screw into. Cue these screw/bolt/thingies. We placed the door handle we wanted, onto the face of the door where we wanted it to be (in line with an existing strike plate), positioned so that the latch and latch plate would align with that strike plate, and then just screwed through the thin synthetic door sides from front to back (making sure the drill bit was completely perpendicular to the door, so that the holes each side would align). Half of these screw-bolts are short and have the female part of the bolt that passes through the handle face, and the longer "male" part of the bolt goes through the door furniture and panels and the bolts each side are tightened against each other to get a nice firm fixing. There might be cases where the depth of the screw-bolts needs to be adjusted for slimmer doors (they come at a set length), and on cases such as these it will be necessary to shorten the male screw threaded section with a hacksaw. Don;t cut too much, try to establish how much to remove by trying an assembled pair against the depth of the door to get an impression of how much needs to be removed. These are good quality items, they join the handle assemblies each side very securely, and don't look as though they are going to come loose anytime soon. Review: Linked screws - As expected ## Features - M3 × 50mm SLOTTED DOOR HANDLE THROUGH-BOLT SET Components: M3 threaded bolt with slotted head + matching connecting sleeve (male-to-female pair). Function: passes through the door to attach door handles, knobs, escutcheons, and rosettes on both sides. Construction: solid metal with finish plating. Thread: M3 standard metric. Drive type: slotted head (single straight slot, requires flat-blade screwdriver). - M3 × 50mm DIMENSIONS Thread: M3 (standard metric coarse thread — smaller than M4). Bolt length: 50mm. Suits doors: up to approximately 38-40mm thick (depending on handle/escutcheon/rosette depth on both sides). Configuration: male bolt threads INTO female sleeve through the door. Drive: slotted head — requires flat-blade screwdriver to install/remove. Note: M3 is the older British thread standard — common on Victorian, Edwardian, and retro-style handles. - PACK OF 2 — TWO COMPLETE SETS Pack contents: 2 matched silver slotted bolt + sleeve sets (enough for one standard door installation). Each set: 1 male M3 × 50mm slotted bolt + 1 female connecting sleeve. Finish: Silver — bright silver/nickel finish. Variation options: this product is available in Brass and Silver finishes in Pack of 2 or Pack of 4. - APPLICATIONS — DOOR HANDLE & KNOB ATTACHMENT Use cases: older British interior door handles, Victorian door knobs, period escutcheons, antique-style mortice handles, retro lever handles, restoration projects with original-spec hardware. Sectors: residential interior doors (especially older properties), restoration, period property refurbishment. Compatible with: M3-thread door handles (common on older British handles; modern handles typically use M4 — verify before ordering). Note: not for fire doors (which require certified intumescent fixings). - INSTALLATION GUIDANCE 1. Position the handle/escutcheon on the front face of the door. 2. Insert the female sleeve through the spindle hole from the back of the door. 3. From the front, insert the male slotted bolt into the sleeve through the front handle/escutcheon. 4. Use a flat-blade screwdriver to tighten — do NOT over-torque (slotted heads strip easier than Phillips). 5. Spindle and latch supplied separately. Browse our store for matching spindles, escutcheons, and complete door handle sets. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B079TXT2W7 | | Best Sellers Rank | 29,693 in DIY & Tools ( See Top 100 in DIY & Tools ) 521 in Door Handle Sets | | Brand Name | Universal Hardware | | Colour | Chrome, Brass, Bronze, Silver | | Compatible Groove Diameter | 3 Millimeters | | Country Of Origin | Italy | | Customer Reviews | 4.2 out of 5 stars 180 Reviews | | Drive System | Phillips and Slotted | | Exterior Finish | Silver | | Exterior finish | Silver | | Fastener Size | M3 x 50mm | | Fastener Type | Screw | | Finish Types | Polished | | Head Type | Flat Head Screw | | Head style | Countersunk Flat Head | | Included Components | Installation Hardware | | Item Diameter | 3 Millimetres | | Item Dimensions | 9 x 1 x 1 centimetres | | Item Weight | 10 Grams | | Item dimensions L x W x H | 9 x 1 x 1 centimetres | | Manufacturer | Fasteners Store | | Manufacturer Part Number | Door Handle screws | | Material | Metal | | Material Type | Metal | | Metal | Brass, Stainless Steel | | Metal type | Brass , Stainless Steel | | Model Number | 5060564600899 | | Number Of Items | 1 | | Number of Pieces | 2 | | Outside Diameter | 3 Millimetres | | Screw Head Style | Countersunk Flat Head | | Set Name | Door Handle Screw Set | | Set Screw Thread Type | M3 | | Size | M3x50mm Silver 2Pcs | | Thread Coverage | Partially Threaded | | Thread Size | M3, M4 | | Thread Style | Right Hand | | Thread size | M3, M4 | | Unit Count | 2.0 count | ## Product Details - **Exterior finish:** Silver - **Head style:** Dome Head Sleeve - **Item dimensions L x W x H:** 9 x 1 x 1 centimetres - **Material:** Metal - **Thread size:** M3, M4 ## Images ![M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. - Image 1](https://m.media-amazon.com/images/I/51hmWivNopL.jpg) ![M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. - Image 2](https://m.media-amazon.com/images/I/61ubuAWWHnL.jpg) ![M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. - Image 3](https://m.media-amazon.com/images/I/81K9tbkMLVL.jpg) ![M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. - Image 4](https://m.media-amazon.com/images/I/611KQm77ZML.jpg) ![M3 x 50mm Door Handle Through Bolts Slotted Sleeve Silver – Pack of 2 | M3 × 50mm male-to-female slotted bolt set. Suits doors up to 40mm thick. Door handle, knob, escutcheon attachment. - Image 5](https://m.media-amazon.com/images/I/61NYClX+DdL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bridging that gap *by R***D on 7 April 2025* We have an airing cupboard door that is synthetic panels joined around a wooden former for the edges, and that former gets hinges and handles attached to it. Unofrtunately for us, the place where the handle should go is not where we wanted it to go, so we had to put handles where there is no wooden structure to screw into. Cue these screw/bolt/thingies. We placed the door handle we wanted, onto the face of the door where we wanted it to be (in line with an existing strike plate), positioned so that the latch and latch plate would align with that strike plate, and then just screwed through the thin synthetic door sides from front to back (making sure the drill bit was completely perpendicular to the door, so that the holes each side would align). Half of these screw-bolts are short and have the female part of the bolt that passes through the handle face, and the longer "male" part of the bolt goes through the door furniture and panels and the bolts each side are tightened against each other to get a nice firm fixing. There might be cases where the depth of the screw-bolts needs to be adjusted for slimmer doors (they come at a set length), and on cases such as these it will be necessary to shorten the male screw threaded section with a hacksaw. Don;t cut too much, try to establish how much to remove by trying an assembled pair against the depth of the door to get an impression of how much needs to be removed. These are good quality items, they join the handle assemblies each side very securely, and don't look as though they are going to come loose anytime soon. ### ⭐⭐⭐⭐ Linked screws *by C***Y on 13 May 2021* As expected ### ⭐⭐⭐⭐⭐ Great for fixing a door handle through a cavity door *by A***R on 25 May 2019* Solved my problem of Grandkids swinging on door handles, pulling the screws as a consequence. With the two Handles (each side of the door) secured by these fixings, I'm now comfortable watching the kids enjoying themselves without causing my blood pressure to rise!! ## Frequently Bought Together - M3 Silver Door Handle Screws with Bolt Connecting Sleeve Male to Female for Door Handle, Knobs Escutcheons and Others Pack of 2 - 4 Piece Universal M4 Screw Connecting Bolts & Sleeves for Door Handle Roses and ESCUTCHEONS Nickel Color - Universal Hardware 20 Pack M3 Door Handle Screws Brass with Bolt Connecting Sleeve Male to Female for Door Handle, Knobs Escutcheons and Others --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/71065541-m3-x-50mm-door-handle-through-bolts-slotted-sleeve-silver](https://www.desertcart.jp/products/71065541-m3-x-50mm-door-handle-through-bolts-slotted-sleeve-silver) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-05*