--- product_id: 18936741 title: "Prime-Line J 4516 Aluminum Diecast, Flush Mount Extension Bolt (Single Pack)" brand: "prime-line" price: "₨625" currency: SCR in_stock: true category: "Prime Line" url: https://www.desertcart.sc/products/18936741-prime-line-j-4516-aluminum-diecast-flush-mount-extension-bolt store_origin: SC region: Seychelles --- # 8-10 inch adjustable bolt Flush mount with nylon tip Grade 8 diecast durability Prime-Line J 4516 Aluminum Diecast, Flush Mount Extension Bolt (Single Pack) **Brand:** prime-line **Price:** ₨625 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in security with style — the flush mount upgrade your door deserves! ## Quick Answers - **What is this?** Prime-Line J 4516 Aluminum Diecast, Flush Mount Extension Bolt (Single Pack) by prime-line - **How much does it cost?** ₨625 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/18936741-prime-line-j-4516-aluminum-diecast-flush-mount-extension-bolt) ## Best For - prime-line enthusiasts ## Why This Product - Trusted prime-line brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Adjustable Fit:** Easily customize bolt length from 8 to 10 inches for a perfect secure lock every time. - • **Complete Installation Kit:** Includes flush bolt guide and fasteners for hassle-free, professional-grade setup. - • **Smooth & Silent Operation:** Nylon-tipped bolt glides quietly, preventing wear and enhancing daily use comfort. - • **Premium Diecast Durability:** Crafted from Grade 8 aluminum diecast for long-lasting strength and corrosion resistance. - • **Seamless Flush Mount Design:** Sleek, low-profile installation ensures your door hardware stays discreet yet highly functional. ## Overview The Prime-Line J 4516 Aluminum Diecast Flush Mount Extension Bolt is a robust, adjustable locking solution designed for commercial aluminum or steel doors. Featuring a durable Grade 8 diecast aluminum construction, an 8 to 10 inch adjustable bolt with a nylon tip for smooth operation, and a flush mount design, it offers both strength and sleek aesthetics. Complete with fasteners and a flush bolt guide, this single-pack extension bolt ensures professional-grade security and easy installation. ## Description This is an aluminum finish flush extension bolt commonly used on commercial aluminum or steel doors. The unit fits into the door at the bottom, or the top, with a flush lever that operates the extension bolt up or down. The extension bolt rod is adjustable from 8 to 10 inch and has a nylon tip treaded onto it. Fasteners and the flush bolt guide are included. ## Features - Used for locking commercial aluminum or steel doors - 8 inch to 10 inch adjustable extension bolt - Flush bolt guide included - Diecast construction, aluminum finish - Nylon tip ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00DRZL1LC | | Best Sellers Rank | #76,515 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #179 in Door Latches & Bolts | | Brand | PRIME-LINE | | Color | Aluminum | | Customer Reviews | 4.6 4.6 out of 5 stars (183) | | Exterior Finish | Aluminum | | Fastener Size | 8 in. to 10 in. | | Fastener Type | Screw | | Finish Types | Aluminum | | Global Trade Identification Number | 00049793045164 | | Grade Rating | Grade 8 | | Head Type | Flat | | Item Dimensions | 1 x 3.81 x 17.44 inches | | Item Hardness | Grade 8 | | Manufacturer | Prime-Line Products | | Manufacturer Grade | Grade 2 | | Material Type | Diecast | | Metal Type | Diecast | | Model | J 4516 | | Number Of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Part Number | J 4516 | | Screw Head Style | Flat | | Screw Point Style | Flush | | Set Screw Thread Type | Unified National Coarse | | Size Name | 1 Pack | | Thread Class | 1A | | Thread Coverage | Unthreaded | | Thread Size | 1/4"-16 UNC | | Thread Style | Right Hand | | Thread Type | Unc | | UPC | 049793045164 | | Unit Count | 1 Count | | Warranty Description | Goods are warranted against manufacturing defects for 1 year. | ## Product Details - **Exterior Finish:** Aluminum - **Head Style:** Flat - **Manufacturer Grade:** Grade 2 - **Material:** Diecast - **Thread Size:** 1/4"-16 UNC ## Images ![Prime-Line J 4516 Aluminum Diecast, Flush Mount Extension Bolt (Single Pack) - Image 1](https://m.media-amazon.com/images/I/41cSxfIe6fL.jpg) ![Prime-Line J 4516 Aluminum Diecast, Flush Mount Extension Bolt (Single Pack) - Image 2](https://m.media-amazon.com/images/I/51Sgun8QbtL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: what is the offset? It's either 1/8", 3/16" or 1/4". the offset is the distance of the face of the screw mount to the face of the front that's flush** A: 1/8” **Q: What is the size of the face plate?** A: The faceplate is 4 1/4"L. Please review the dimensions under the photo at the top left of webpage and compare to your original. **Q: Can I alter the 8" extension bolt if it is too long?** A: If you wish to alter this you may, however that will void the warranty. **Q: Can you get it with a 16" rod** A: Prime-Line does not have one the length yo are needing. ## Frequently Bought Together - Prime-Line J 4516 Aluminum Diecast, Flush Mount Extension Bolt (Single Pack) - C.R. LAURENCE DL2210SG CRL Standard Flush Bolt Guide - Prime-Line J 4532 Bronzed Diecast, Extension Bolt, Flush Mount (Single Pack) --- ## 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.sc/products/18936741-prime-line-j-4516-aluminum-diecast-flush-mount-extension-bolt](https://www.desertcart.sc/products/18936741-prime-line-j-4516-aluminum-diecast-flush-mount-extension-bolt) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-08-26*