Overview
Blind rivet screws are specialized fasteners that combine the installation benefits of blind rivets with the reusable threading capability of nuts. They are installed from one side of the workpiece, making them ideal for applications where the backside is inaccessible. These components are widely used in automotive, aerospace, electronics, and construction industries where thin materials require durable threaded connections. The fastener consists of two main parts: an externally threaded body and an internal mandrel. During installation, the mandrel is pulled to deform the rivet body, creating a tight, permanent fit while preserving the internal threads for bolt insertion. This design eliminates the need for welding or through-hole fastening in many applications.
Structure and Working Principle
A typical blind rivet screw features a cylindrical body with external knurling for anti-rotation grip and internal threads matching standard bolt sizes (commonly M3-M12). The installation end has a breakaway mandrel with a pulling head, while the opposite end includes a flange for load distribution. Installation requires a specialized rivet nut tool. The tool grips the mandrel, applying tension that collapses the rivet body against the backside of the workpiece. At a predetermined force, the mandrel snaps off, leaving a flush surface. The internal threads remain undamaged and ready for bolt insertion. This process creates a threaded anchor point in materials as thin as 0.5mm without requiring backside access.
Key Features
Blind rivet screws offer several advantages over traditional fastening methods. Their one-sided installation capability enables assembly in confined spaces or completed structures where rear access is impossible. The knurled exterior provides superior resistance to rotation compared to standard rivet nuts. These fasteners maintain consistent clamp force even under vibration, making them ideal for automotive and machinery applications. Available in various materials (carbon steel, stainless steel, aluminum), they can be matched to substrate materials to prevent galvanic corrosion. Unlike weld nuts, they eliminate heat distortion and can be installed on painted or finished surfaces without damage.
Application Areas
The automotive industry extensively uses blind rivet screws for attaching components to body panels, including trim, brackets, and electrical connections. In electronics manufacturing, they provide sturdy threading for chassis components and heat sinks where thin aluminum enclosures are common. Aerospace applications benefit from their lightweight aluminum variants for interior paneling and non-structural assemblies. The construction sector employs them for HVAC installations, curtain wall systems, and metal framing where backside access to steel studs is limited. They're also prevalent in furniture manufacturing for assembling thin metal frames and adjustable components.
Maintenance and Precautions
Proper installation is critical for blind rivet screw performance. Use manufacturer-recommended tools to ensure correct mandrel breakage and full body deformation. Under-installation may cause loose fittings, while over-tightening can strip threads or crack thin materials. For maintenance, periodically check for thread wear in high-usage applications. When replacing bolts, avoid cross-threading as damaged internal threads compromise the fastener's integrity. In corrosive environments, select materials matching the substrate (e.g., stainless steel for outdoor applications) or apply anti-seize compounds to threads. Never attempt to re-use a installed rivet screw by reinserting the mandrel.
B2B Procurement Guide
Industrial buyers should specify material grade (e.g., 304 stainless steel), thread size/pitch, grip range (minimum/maximum material thickness), and head style (flush, countersunk, or large flange). Bulk purchases (1,000+ units) typically offer 15-30% cost savings compared to small batches. Quality indicators include ISO 9001 certification, salt spray test reports for corrosion resistance, and consistent mandrel breakage force. Leading manufacturers include Bollhoff, PennEngineering, and Avdel. For prototyping, consider purchasing sample kits with multiple sizes. Delivery lead times average 2-6 weeks for custom orders, while standard sizes are often available from stock.
Related Manufacturers
- 主营：[]
- 主营：自攻螺丝、圆形弹垫、螺母垫片、燕尾螺钉、自钻螺钉、钻尾螺钉、拉铆螺母、导向螺钉、活节螺丝、螺栓螺丝、六角螺母、六角螺栓、法兰螺母、加大平垫、六角螺丝、法兰螺帽、化学锚栓、压板螺母、自钻螺丝、焊接螺栓、钻尾螺丝、螺栓垫片、双头螺栓、注塑螺栓、螺丝螺母
- 主营：不锈钢螺栓、热镀锌螺栓、光伏配件、拉铆钉、高强度螺栓
- 主营：BOM铆钉、哈克铆钉、结构型铆钉、灯笼拉钉、拉丝铆钉、拉丝型铆钉、铝铁拉铆钉、拉铆钉、拉钉、灯笼铆钉、抽芯铆钉、不锈钢单鼓铆钉、双锁铆钉、口杯型铆钉、铆螺母、双鼓型铆钉、盲铆钉、环槽铆钉、铆钉枪、气动铆钉枪、铆螺母枪、电动铆钉枪
- 主营：铆螺母、铆钉机、连接件、拉丝铆钉、镀锌螺钉、开花拉钉、螺母枪、通体板、铆钉枪、紧固件、海马钉、单鼓铆钉、非标螺丝、六角螺母、铆接工具、灯笼铆钉、镀锌螺母、双锁铆钉、折叠灯笼、六角螺帽、防松螺母、汽车铆钉、双鼓铆钉、实心铆钉、防腐螺帽
- 主营：尼得科机床、泷泽数控车、泷泽NEX-108、螺钉、数控机床、NIDEC OKK、新宝减速机、三坐标/二次元影像仪、OKK卧加、龙门五面体加工中心、NIdec尼得科机床、okk机床、二次元影像仪全自动影像测量、进口龙门加工中心、日本进口机床、台湾泷泽车床、日本龙泽、台湾泷泽、斗山机床、尼得科龙门加工中心、落地镗、龙门加工中心
- 主营：钢结构大六角螺栓、高强度六角螺栓、高强度法兰面螺栓、地脚螺栓、高强度螺母、不锈钢螺栓、光伏配件
- 主营：铆螺母、抽芯铆钉、压铆螺母、拉铆螺母、压铆螺钉、拉铆螺柱、焊接螺钉、拉钉、拉钉枪、拉铆枪、拉帽、拉卯、螺钉、拉铆螺母柱、防水拉帽、密封拉钉、压铆螺柱、焊接螺柱、螺母、组合螺丝、焊钉、储能钉、防松螺母、防水螺母
- 主营：环槽铆钉、双鼓铆钉、单鼓铆钉、内锁拉丝铆钉、竖纹拉铆螺母、镀锌拉丝铆钉、不锈钢铆钉
- 主营：不锈钢外六角螺栓、不锈钢内六角、不锈钢双头螺栓、拉铆钉、不锈钢六角钻尾丝、轮毂螺栓、地脚螺栓等产品
- 主营：铆螺母、卡式螺母、压铆螺柱、平头不锈钢拉母、不锈钢拉铆螺柱、拉铆螺母、拉帽、锂电拉铆枪、不锈钢拉铆螺母、铆接螺栓、通孔铆螺母、盲孔铆螺母、铝制铆螺母、不锈钢铆螺母、沉头铆螺母、平头条纹铆螺母、非标螺母、蓝白锌铆螺母、压铆螺母、碳钢铆螺母、六角一体盖型螺帽、灯笼铆螺母、通孔压铆螺母、碳钢铆螺柱、平头圆柱压铆螺母
- 主营：组合螺丝、三角牙螺丝、铆钉、自攻螺钉、开槽螺钉、螺钉定做、槽防脱螺钉、车件、内六角、螺栓304、六角螺母、六角螺栓、蝶形垫圈、螺栓定制、双头螺栓、法兰螺母、手拧螺丝、宏炎盖母、六角双通、弹性挡圈、马车螺栓、十字法兰、304不锈钢、紧定、垫圈定做
- 主营：喷漆铆钉、灯笼铆钉、沉头铆螺母、拉花铆钉、拉铆螺母、大帽拉钉、不锈钢拉钉、圆头国标拉钉、六角拉铆螺帽、内锁拉丝铆钉、全钢鼓型拉钉、沉头铝抽芯拉钉、沙拉头抽芯柳钉、铝合金柳钉、封闭型铆钉、平头镀彩螺母、扁沉头合金钉、全六角铆螺母、灯笼抽芯铆钉、股型抽芯卯钉、平头半空心铆钉、圆帽敲击式卯钉、不锈钢抽芯铆钉
- 主营：t型钢带、膨胀螺栓、玻璃钢锚杆、拉铆钉厂家、钢拱架卡缆、细扣方型螺栓
- 主营：松不脱螺丝、镶入螺母、防水压铆螺母柱、弹簧螺钉、槽机螺钉、点焊螺钉、平圆头螺钉、不锈钢螺钉、不脱弹螺钉、压铆螺母、压铆销钉、压铆螺丝、台阶螺丝、自锁螺丝、伸缩锁销、弹簧螺丝、浮动螺母、旋转轴销、不脱出螺帽、手拧螺丝钉、紧固件铆钉、不锈钢螺丝、pc钣金铆螺丝、压铆镶嵌螺帽、平头自扣紧销
- 主营：铝合金铆钉、六角螺栓、六角螺母、圆头螺钉、梅花螺钉、四方螺栓、方螺母、圆柱头螺丝、内六角螺丝、十字自攻、沉头螺丝、平垫、弹垫、非标螺丝、紧定、自攻螺丝、活节螺栓、T型螺丝、圆柱销、铆螺母、钻尾螺丝、挡圈、牙条、牙棒
- 主营：铜螺丝、螺丝钉、铜销轴、自攻螺钉、十字螺钉、燕尾螺钉、纯铜铆钉、装饰螺母、六角螺栓、接线螺柱、平头螺丝、手拧螺丝、十字螺丝、非标车件、法兰螺丝、英制螺栓、自锁螺丝、尼龙垫片、铜车配件、非标铜件、自动车床、防盗螺栓、铜件定制、铜螺母、注塑螺母