Best Rivet Nuts Under $100 (2026)
We scored kits by thread coverage (metric/SAE), piece count, material/finish, included tooling/mandrels, and case organization to determine value
The Verdict
- Best Overall: Metric & SAE Rivet Nut Kit, 920 pcs (M3-M10, SAE threads) zinc — kit: extensive M3–M10 metric and SAE assortment with a high piece count and zinc finish for general use
- Best Value: SAE rivet nut assortment kit 880 Pcs — Best SAE assortment: large 880-piece kit tailored to SAE sizes that keeps common UNC sizes on hand for repairs
Top Picks
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1
Best Overall Metric & SAE Rivet Nut Kit, 920 pcs (M3-M10, SAE threads) zinc
kit: extensive M3–M10 metric and SAE assortment with a high piece count and zinc finish for general use
Rivet nut assortment kit with 920 total nuts (metric and SAE) for various thread sizes; designed for easy installation and stable grip. Customers note good variety and solid build, with some divider durability concerns
- 920 rivet nuts total
- metric and SAE options
- easy installation
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2
Best Value SAE rivet nut assortment kit 880 Pcs
Best SAE assortment: large 880-piece kit tailored to SAE sizes that keeps common UNC sizes on hand for repairs
Rivet nut assortment kit with SAE/metric sizes for various fastening needs. Includes multiple SAE sizes and a composed kit for easy selection; noted for build quality, ease of installation, and stable grip
- 7 size types included
- mixed SAE options and metric compatibility
- durable zinc-plated finish
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3
TR TOOLROCK Rivet Nut Kit, 860pcs metric assortment
Best metric balance: 860-piece metric-focused assortment that covers common sizes for automotive and fabrication work
Rivet nut kit with 860 metric sizes organized in a grid for quick selection. Includes M3, M4, M5, M6, M8, M10, M12 with zinc plating. Customers note good quality and value, but some small nuts mix together
- extensive metric size range
- organized storage grid
- durable zinc plated finish
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4
SAE & Metric Rivet Nut Kit 812pcs stainless steel rivnuts assortment
Best stainless option: mixed SAE and metric stainless inserts for corrosion resistance in marine or outdoor projects
SAE and metric rivet nuts in two grids for quick model identification. Includes a wide range of sizes with corrosion-resistant coating for durability; customers note good quality and solid assortment with some durability concerns regarding cases
- comprehensive SAE and metric range
- color-labeled storage for quick finding
- coated for corrosion resistance
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5
Multi-Grip Rivet-Nut Set 1/4-20, steel, gold zinc
Best single-size multi-grip: 1/4-20 steel multi-grip set built for stronger load-bearing connections in thicker panels
Rivet nuts with multi-grip, pre-bulbed shank, and zinc finish for rust resistance. Designed for secure threaded inserts in thin material; customers note quality with mixed ease of use feedback
- rust-resistant finish
- multi-grip design
- pre-bulbed shank
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6
Rivet Nut Tool Kit with 12 rivet nut sizes (SAE/Metric) 830pcs
Best complete kit: 12-size tool kit with 830 assorted inserts offering broad SAE/metric coverage and a galvanized finish
Rivet nut kit includes 12 sizes in SAE/Metric with galvanized carbon steel threaded inserts. Provides a wide assortment for metal repairs; users note quality and functionality, with some organizer capacity concerns
- 12 rivet nut sizes
- galvanized steel inserts
- comprehensive SAE/Metric set
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7
Rivet Nut Tool Kit 540Pcs (M8/M6/M5/M4/M3) Rivet Nut Inserts
Best compact metric selection: focused M3–M8 set with fewer pieces that suits targeted metric repair needs
Rivet nut tool kit with multiple metric inserts and mounting spindles for various applications. Provides M3–M8 rivet nuts and practical kit for furniture, decoration, automotive, shipbuilding, and industrial use. Customers note good quality and ease of use, with mixed feedback on elasticity
- multi-size rivet nut inserts
- includes mounting spindles
- suitable for diverse applications
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8
Rivet Nut Tool Kit with 500Pcs Metric Rivet Nuts (M3–M8)
Best mid-size metric kit: 500-piece metric assortment covering M3–M8 for general repairs and furniture or auto work
Rivet nut installer kit includes a rivnut tool and 500 insert rivet nuts in M3, M4, M5, M6, and M8 sizes. Useful for automotive, marine, decoration, furniture, and industrial projects. customer insight: varied size assortment supports multiple applications
- includes 5 metric thread sizes
- 500 rivet nuts included
- comprehensive rivnut tool kit
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9
Rivet Nut Kit SAE UNC Assortment 915pcs, zinc plated steel
Best UNC assortment: 915-piece UNC/SAE zinc-plated steel kit providing broad coverage for imperial fastener needs
SAE UNC rivet nuts in a 915-piece assortment, organized in a sturdy box with color labels for quick model identification. Includes multiple sizes for versatile installations. Customer note highlights good quality and broad size selection
- 915pcs rivet nuts
- sturdy storage with color labeling
- variety of SAE UNC sizes
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10
Multi-Grip Rivet Nut Kit, 5/16-18, Steel, Zinc Plated
Best 5/16-18 multi-grip: dedicated 5/16-18 steel kit with zinc plating designed for strong threaded anchors in thicker materials
Rivet nut kit with 100 pieces of 5/16-18 steel nuts, zinc-plated for rust resistance. Robust construction for durable use in various projects. Customer noted solid quantity for replacements
- 100-piece kit
- steel, rust-resistant finish
- 5/16-18 rivet nuts