Best Screw & Bolt Assortment Sets Under $100 (2026)
We ranked sets under $100 by value score using part count, metric/SAE coverage, finish/material (e.g., zinc-plated or carbon steel), and verified user ratings
This roundup highlights screw and bolt assortment sets under $100 chosen for utility and value across common DIY, automotive, and fabrication tasks. Picks were selected using objective factors: part counts, metric/SAE mix, corrosion resistance, and user ratings to favor versatile kits that stretch budget dollars
Top Picks
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1
Kadrick metric flange bolt set 700Pcs M6-M10
Comprehensive set of flange bolts, nuts, and washers totaling 700 pieces in metric sizes. Includes 175 bolts, 175 nuts, and 175 washers per size group, with black zinc plating for durability. Customers note good quality and handy case, with some mixed feedback on quantity
- comprehensive 700-piece set
- metric M6-M10 range
- case for organization
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2
2300-piece hardware assortment kit with SAE & metric fasteners
Comprehensive hardware kit with SAE and metric fasteners, nuts, bolts, and washers in a compact 3-tray set. Customers value its variety and ease of storage for DIY repairs
- SAE and metric coverage
- extensive assortment in 3 trays
- quality and variety cited by customers
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3
Machine Screws Assortment Kit with hex socket bolts
Screws assortment including SAE & metric sizes with hex socket button head. Useful for multiple builds and drone motors, offering good variety and value
- mixed metric and SAE sizes
- high-strength 10.9 steel
- comprehensive hex socket bolt kit
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4
Holster making kit: screws & spacers (130pc) for kydex/knife sheaths
Holster making kit with assorted screws and spacers for kydex and leather holsters. Includes 130 pieces with organized packaging, offering variety in sizes. Customer insight notes useful for knife sheath projects and neat organization
- 130 pcs total
- screw & spacer assortment
- black oxide coated steel
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5
M6-M12 metric bolts and nuts set with washers
Metric bolts and nuts assortment with M6 to M12 threads and washers. Includes variety of lengths and a universal socket tool for quick fittings. Customers note high quality and good value for a range of projects
- wide size range
- quality construction
- includes necessary hardware
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6
Mywish metric bolt assortment kit (M4–M8) with nuts and washers
Metric bolt assortment kit with bolts, nuts, and washers in sizes M4–M8. Includes varied threads and stainless steel construction for durability; users note its usefulness for 3D printing projects and value for money
- variety of metric sizes
- nuts and washers included
- durable metal construction
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7
YEEZET stainless steel bolt & nut kit, 245 pcs, M6/M8/M10
Stainless steel 304 heavy duty flanged bolts and nuts kit with 245 pieces in common sizes. Durable, corrosion resistant and suitable for engine-related projects. Customers note good quality and solid value
- 304 stainless steel for durability
- heavy duty flanged design
- includes 245 pieces in common sizes
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8
268Pcs Metric Bolt Assortment Kit with Nuts and Washers
A 268-piece flange hex bolt, nut, and washer set in M5/M6/M8 with yellow zinc plating. Durable alloy steel construction for outdoor use and DIY projects. Customer insight notes varied specifications to fit diverse needs
- 268-piece kit
- grade 8.8 alloy bolts
- M5/M6/M8 assortment
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9
Grade 8.8 bolt and nut kit (940pcs) M4-M8 hex bolts nuts
Metric bolt and nut kit with 940 pieces in 18 sizes. Includes M4-M8 hex bolts and corresponding nuts for various projects. Customers note good quality and value for money
- includes 18 practical sizes
- heavy duty metric bolts and nuts
- yellow zinc plated finish
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10
Metric bolt assortment: M6/M8/M10/M12, 175 sets, grade 8.8
Metric bolt and nut kit with 175 sets in 4 sizes, grade 8.8 alloy steel with yellow zinc coating for corrosion resistance. Includes lock and flat washers for reliability and durability
- grade 8.8 alloy steel
- yellow zinc coating
- includes washers