Sparrow Stang Tang Wolf Threaded Nut Riveter Kit | Factory
โ๏ธ Eliminate stripping, rework, and joint failure โ with a threaded nut riveter engineered for high-strength blind fastening in automotive, construction, and agricultural machinery. Trusted by buyers in 30+ countries.
๐ What you'll find in this guide
Real pain points shared by purchasing managers, technical directors, and operations leaders across North America & Europe.
68% of field failures in blind fastening are due to inconsistent mandrel pull-up and poor thread engagement. A low-quality sparrow nut riveter or stang rivet nut can cause rework rates above 12% โ driving TCO up by $0.18โ$0.45 per joint.
โWe tested three different suppliers of tang rivet nut inserts โ torque values varied by up to 34% from lot to lot.โ โ Operations Manager, Midwest agricultural equipment assembler. Inconsistent hardness leads to cracking in thin-gauge steel.
Cross-border buyers report 18โ35 day lead times from generic suppliers, plus hidden shipping surcharges of $120โ$280 per pallet. A delayed wolf nut riveter shipment can halt an entire production line.
Many importers of threaded nut riveter kits lack ISO 9001, RoHS, or CE marking. Without proper documentation, your procurement audit fails โ and you face liability exposure in automotive or structural applications.
๐ Bottom line: A poor-quality rivet nut kit doesn't just fail โ it erodes your margin, delays your delivery, and damages your reputation. You need a factory partner that delivers consistent quality, traceable materials, and fast logistics.
Every component is designed, formed, and tested in our Handan factory (ISO 9001:2015 certified) to deliver consistent clamp load, corrosion resistance, and installation speed.
10+ years of export expertise. Every sparrow nut riveter and stang rivet nut is produced on CNC-controlled forming lines, with hardness testing (HRC 28โ32) and torque sampling every 500 pcs. Batch-to-batch variance < 5%.
Need a custom tang rivet nut length, flange diameter, or thread pitch? Our in-house tool room can produce custom dies in 5โ7 days. Minimum order quantity from 5,000 pcs. We also offer custom packaging & kit assembly.
Stock wolf nut riveter kits ship within 5โ10 working days. For USA/Europe: air freight 5โ7 days, sea freight 18โ25 days. We provide real-time tracking and duty-optimized shipping to reduce your landed cost.
Each threaded nut riveter kit includes ISO 9001, CE, RoHS, and REACH documentation. Material certs (mill test reports) available per lot. Full traceability from steel coil to finished product.
Data for our most popular SKUs. Custom sizes available upon request.
| Model / Type | Thread Size | Grip Range (mm) | Head Style | Material | Min. Tensile (kN) |
|---|---|---|---|---|---|
| Sparrow Nut Riveter | M4 โ M12 | 0.5 โ 4.0 | Low-profile / Countersunk | Carbon Steel (Zn-plated) | 4.5 โ 18.0 |
| Stang Rivet Nut | M5 โ M14 | 1.0 โ 5.0 | Hex / Round / Knurled | Stainless Steel 304/316 | 6.0 โ 24.0 |
| Tang Rivet Nut | M6 โ M16 | 1.5 โ 6.0 | Open-end / Closed-end | Carbon Steel (Dacrometยฎ) | 8.0 โ 32.0 |
| Wolf Nut Riveter | M8 โ M20 | 2.0 โ 8.0 | Heavy-duty / Large flange | Alloy Steel (Phosphate coated) | 12.0 โ 45.0 |
| Threaded Nut Riveter Kit | M4 โ M20 (assorted) | 0.5 โ 8.0 (assorted) | Mixed (all styles) | CS/SS/Alloy (mixed) | 4.5 โ 45.0 |
๐ All data based on internal testing per ISO 898-1. Contact us for custom specifications.
Real applications from our customers in 30+ countries.
A German tractor manufacturer uses our stang rivet nut in S355 steel frames โ zero pull-out failures over 2 years of field testing.
A UK steel fabricator switched to our wolf nut riveter for overhead gantry connections โ installation time cut by 30% vs. weld nuts.
A US Tier-2 supplier uses our sparrow nut riveter for bumper brackets โ 0.2% defect rate over 1.2M installed units.
A French solar installer uses our tang rivet nut in aluminum profiles โ corrosion resistance exceeds 1,000h salt spray (ASTM B117).
Real photos from our Hanguang Industrial Park facility in Handan, China.

๐ Serving brands & enterprises across 30+ countries

โ Certifications that matter for your procurement audit


Real feedback from verified buyers across the USA, Europe, and Southeast Asia.

James Mitchell
Procurement Manager ยท Midwest Machinery ยท USA
โWe replaced our previous sparrow nut riveter supplier with Boen. The tang rivet nut quality is far more consistent โ torque variance dropped from 22% to just 4%. Our rework costs are down 37% in six months.โ

Eleanor Fischer
Technical Director ยท EuroFab GmbH ยท Germany
โThe wolf nut riveter kit exceeded our expectations for heavy-duty applications. The material certs and CE documentation made our audit process seamless. Lead time was 9 days to Hamburg โ impressive.โ

Raj Patel
Operations Manager ยท SolarMount Ltd ยท UK
โWe use the stang rivet nut for our solar panel mounting systems. The threaded nut riveter kit performs flawlessly in aluminum profiles. Delivery was on time, and the pricing beat our previous supplier by 18%.โ
๐น What is the difference between sparrow, stang, tang, and wolf nut riveters?
These are industry-specific profile names for threaded nut riveter inserts. Sparrow = low-profile, stang = hex/round body, tang = open/closed end, wolf = heavy-duty large flange. Our rivet nut kit includes all four types for maximum versatility.
๐น Can I get a free sample before placing a bulk order?
Yes. We offer free samples of any sparrow nut riveter, stang rivet nut, tang rivet nut, or wolf nut riveter (up to 20 pcs per type). You pay only the shipping cost. Contact us to request your samples.
๐น What are your minimum order quantities (MOQ) for the rivet nut kit?
For standard sizes, MOQ is 5,000 pcs per size. For custom OEM/ODM designs, MOQ starts at 10,000 pcs. We also offer mixed kit packaging with a combined MOQ of 10,000 pcs across multiple sizes.
๐น Which certifications do you provide for the threaded nut riveter kit?
Our factory is ISO 9001:2015 certified. Each threaded nut riveter kit can be supplied with CE, RoHS, REACH, and FDA-compliant documentation. Material test reports (MTR) are available per batch. We also support UL certification for specific applications.
๐น How do you handle shipping and logistics to the USA/Europe?
We ship via DHL, FedEx, UPS, and sea freight. Typical air freight to USA/Europe is 5โ7 working days; sea freight is 18โ25 days. We provide real-time tracking and duty-optimized shipping to reduce your landed cost. For orders above $3,000, we offer free shipping to major ports.
๐น What payment methods do you accept?
We accept T/T (bank transfer), L/C (letter of credit), PayPal, and Western Union for international buyers. For new customers, a 30% deposit with 70% balance before shipment is standard. Long-term contracts can negotiate net-30 terms after credit review.
๐น Can you customize the rivet nut kit for my specific application?
Absolutely. We offer complete OEM/ODM services โ custom thread pitch, flange diameter, body length, material (carbon steel, stainless 304/316, alloy steel), and surface finish (Zn-plated, Dacrometยฎ, phosphate, hot-dip galvanized). Our in-house tooling team can create custom dies in 5โ7 days.
๐น What is your after-sales service and warranty policy?
We provide a 12-month warranty against manufacturing defects for all sparrow, stang, tang, and wolf nut riveter products. If you encounter any quality issues, we offer free replacement and technical support. Our team responds within 24 hours to any after-sales inquiry.
๐ Download our full product catalog with technical drawings and torque specs โ Request Now

โ๏ธ About the Author
Chen Wei โ Senior Technical Manager at Handan Boen Fastener Manufacturing Co., Ltd. With over 14 years of experience in industrial fastener engineering and global supply chain, Chen has overseen quality assurance for more than 2,500 export shipments to 30+ countries. He specializes in threaded nut riveter design, material selection, and application engineering for automotive, construction, and agricultural sectors.
Get factory-direct pricing, free samples, and fast delivery to your door. Speak directly with our export team.
๐ง shuan@fastenboen.com ยท mary@fastenboen.com ยท grace@fastenboen.com
๐ Hanguang Industrial Park, Yongnian District, Handan, Hebei, China ยท ๐ MonโFri 09:00โ17:00