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Top rated hardware spacers

AI-generated summary · updated July 27, 2026 · verify details before purchase.

  1. Best overall

    Hillman Group 820320 Hex Head Cap Screw Assortment

    4.6/5 $15-$25

    Comprehensive assortment of common hex head cap screws in a durable case, ideal for industrial fastening needs.

    • Wide size variety
    • Durable case
    • Good value
    • Case latch may break
  2. Best budget pick

    Prime-Line N 6208 Hex Nut Assortment

    4.5/5 $10-$15

    Affordable assortment of hex nuts in 10 common sizes, perfect for general maintenance and repairs.

    • Very affordable
    • Common sizes
    • Compact storage
    • Limited size range
  3. Best for washers

    Everbilt 833146 Flat Washer Assortment

    4.7/5 $12-$18

    Large assortment of zinc-plated flat washers in 12 sizes, providing reliable load distribution.

    • Many sizes
    • Zinc plated
    • Great value
  4. Best corrosion resistance

    Hilliard 860500 Stainless Steel Machine Screw Assortment

    4.4/5 $20-$30

    304 stainless steel machine screws in 18 sizes, ideal for outdoor or corrosive environments.

    • Stainless steel
    • Corrosion resistant
    • Good assortment
    • Slightly expensive
  5. Best for sheet metal

    Dorman 03442B1 Self-Tapping Screw Assortment

    4.3/5 $8-$14

    Self-tapping screws for metal and plastic, with hex and Phillips drive options.

    • Self-tapping tips
    • Versatile uses
    • Low price
    • Some sizes missing
  6. Best for nuts

    Grip-Rite 97100 Machine Screw Nut Assortment

    4.5/5 $18-$25

    High-strength steel machine screw nuts in a sturdy case, compatible with common bolts.

    • High strength
    • Organized case
    • Good variety
    • Case may be bulky
  7. Best for hex keys

    STANLEY 01509S Hex Key Set

    4.6/5 $10-$15

    Set of 9 hex keys (1.5-10mm) with T-handle design for better torque and comfort.

    • T-handle design
    • Color coded
    • Affordable
    • Not long enough for deep recesses

Buying advice

When selecting hardware spacers, consider the material (steel, stainless steel, nylon) based on corrosion resistance and strength needs. Ensure the correct thread size and length for your application. Buying an assortment can save money for varied projects, but check that it includes the sizes you use most. Always verify that the product is categorized under Industrial & Scientific > Fasteners on Amazon to ensure suitability for industrial use.

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