Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you .
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Fasteners
  4. /
  5. Nuts
  6. /
  7. Cap Nuts & Acorn Nuts
Search Feedback

Cap Nuts & Acorn Nuts (594 items)

Midwest Fastener Acorn Nut, 1/4"-20, Steel, Nickel Plated, 100 PK 03790
Midwest Fastener

Acorn Nut, 1/4"-20, Steel, Nickel Plated, 100 PK

Zoro # G602519174
Mfr # 03790
product price: $19.45
/pk 100, $0.19/ea
Zoro Select Cap Nut, 5/8", Plastic, Black, 0.645 in H, 10 PK 138264000
CAD Files Available
Zoro Select

Cap Nut, 5/8", Plastic, Black, 0.645 in H, 10 PK

Zoro # G0735086
Mfr # 138264000
product price: $6.25
/pk 10, $0.63/ea
Midwest Fastener Acorn Nut, 1/4"-20, Nylon, 10 PK 62548
Midwest Fastener

Acorn Nut, 1/4"-20, Nylon, 10 PK

Zoro # G802520369
Mfr # 62548
product price: $7.35
/pk 10, $0.74/ea
Zoro Select Standard Crown Cap Nut, 1/4"-20, Nylon, Plain, 15/32 in H, 25 PK 0525020CN
Zoro Select

Standard Crown Cap Nut, 1/4"-20, Nylon, Plain, 15/32 in H, 25 PK

Zoro # G0392472
Mfr # 0525020CN
product price: $5.59
/pk 25, $0.22/ea
Zoro Select Standard Crown Cap Nut, #10-32, Nylon, Plain, 13/32 in H, 25 PK 0501032CN
Zoro Select

Standard Crown Cap Nut, #10-32, Nylon, Plain, 13/32 in H, 25 PK

Zoro # G2862745
Mfr # 0501032CN
product price: $6.59
/pk 25, $0.26/ea
Prime-Line Cap Nut, 1/4"-20, 18-8 Stainless Steel, Plain, 25 PK 9077422
Prime-Line

Cap Nut, 1/4"-20, 18-8 Stainless Steel, Plain, 25 PK

Zoro # G700933797
Mfr # 9077422
product price: $19.35
/pk 25, $0.77/ea
Zoro Select Cap Nut, 3/8"-16, 18-8 Stainless Steel, Plain, 5/8 in H, 5 PK CPB036
Zoro Select

Cap Nut, 3/8"-16, 18-8 Stainless Steel, Plain, 5/8 in H, 5 PK

Zoro # G2175275
Mfr # CPB036
product price: $14.39
/pk 5, $2.88/ea
Zoro Select Cap Nut, 1/2 in, Steel, Zinc Plated, 0.645 in H, 10 PK 138263000
CAD Files Available
Zoro Select

Cap Nut, 1/2 in, Steel, Zinc Plated, 0.645 in H, 10 PK

Zoro # G1928857
Mfr # 138263000
product price: $6.35
/pk 10, $0.64/ea
Zoro Select High Crown Cap Nut, M8-1.25, 18-8 Stainless Steel, Plain, 15 mm H, 50 PK M51400.080.0001
Zoro Select

High Crown Cap Nut, M8-1.25, 18-8 Stainless Steel, Plain, 15 mm H, 50 PK

Zoro # G9905038
Mfr # M51400.080.0001
product price: $10.29
/pk 50, $0.21/ea
Zoro Select High Crown Cap Nut, 3/4"-10, Steel, Zinc Plated, 1-29/64 in H CPB146
Zoro Select

High Crown Cap Nut, 3/4"-10, Steel, Zinc Plated, 1-29/64 in H

Zoro # G1871694
Mfr # CPB146
product price: $4.99
/ea
Zoro Select Low Crown Cap Nut, 1/2"-13, Steel, Plain, 13/16 in H, 3 PK CPB166
Zoro Select

Low Crown Cap Nut, 1/2"-13, Steel, Plain, 13/16 in H, 3 PK

Zoro # G1027056
Mfr # CPB166
product price: $3.35
/pk 3, $1.12/ea
Zoro Select Standard Crown Cap Nut, #10-24, Steel, Nickel Plated, 13/32 in H, 100 PK DNI-10P5-100BX
Zoro Select

Standard Crown Cap Nut, #10-24, Steel, Nickel Plated, 13/32 in H, 100 PK

Zoro # G3430007
Mfr # DNI-10P5-100BX
product price: $9.95
/pk 100, $0.10/ea
Midwest Fastener Acorn Nut, 7/16"-14, 18-8 Stainless Steel, 4 PK 79032
Midwest Fastener

Acorn Nut, 7/16"-14, 18-8 Stainless Steel, 4 PK

Zoro # G402523029
Mfr # 79032
product price: $11.99
/pk 4, $3.00/ea
Zoro Select Low Crown Cap Nut, 1/4"-20, Steel, Nickel Plated, 0.338 in H, 2000 PK 14NC
Zoro Select

Low Crown Cap Nut, 1/4"-20, Steel, Nickel Plated, 0.338 in H, 2000 PK

Zoro # G2436714
Mfr # 14NC
product price: $222.99
/pk 2000, $0.11/ea
Zoro Select High Crown Cap Nut, 3/8"-16, 18-8 Stainless Steel, Plain, 25/32 in H Z0326-188
Zoro Select

High Crown Cap Nut, 3/8"-16, 18-8 Stainless Steel, Plain, 25/32 in H

Zoro # G4526977
Mfr # Z0326-188
product price: $10.99
/ea
Zoro Select Extra Low Crown Cap Nut, #4-40, Steel, Zinc Plated, 1/4 in H, 50 PK CPB081
Zoro Select

Extra Low Crown Cap Nut, #4-40, Steel, Zinc Plated, 1/4 in H, 50 PK

Zoro # G2721573
Mfr # CPB081
product price: $11.89
/pk 50, $0.24/ea
Zoro Select Low Crown Cap Nut, 5/16"-24, Brass, Plain, 17/32 in H, 10 PK CPB212
Zoro Select

Low Crown Cap Nut, 5/16"-24, Brass, Plain, 17/32 in H, 10 PK

Zoro # G1693535
Mfr # CPB212
product price: $7.39
/pk 10, $0.74/ea
Sold in mult. of 2 for $14.78
Midwest Fastener 32 (Coarse), Solid Brass, 15 PK 61063
Midwest Fastener

32 (Coarse), Solid Brass, 15 PK

Zoro # G602520965
Mfr # 61063
product price: $10.89
/pk 15, $0.73/ea
Midwest Fastener Acorn Nut, 5/8"-18, 18-8 Stainless Steel, 2 PK 33807
Midwest Fastener

Acorn Nut, 5/8"-18, 18-8 Stainless Steel, 2 PK

Zoro # G702517926
Mfr # 33807
product price: $24.69
/pk 2, $12.35/ea
Prime-Line Cap Nut, #8-32, Brass, Brass, 10 PK 9077104
Prime-Line

Cap Nut, #8-32, Brass, Brass, 10 PK

Zoro # G900933689
Mfr # 9077104
product price: $10.29
/pk 10, $1.03/ea
Midwest Fastener Acorn Nut, 5/16"-18, 18-8 Stainless Steel, 25 PK 50712
Midwest Fastener

Acorn Nut, 5/16"-18, 18-8 Stainless Steel, 25 PK

Zoro # G902515548
Mfr # 50712
product price: $33.72
/pk 25, $1.35/ea
Midwest Fastener Acorn Nut, M8-1.25, Stainless Steel, 25 PK 55139
Midwest Fastener

Acorn Nut, M8-1.25, Stainless Steel, 25 PK

Zoro # G502519328
Mfr # 55139
product price: $13.59
/pk 25, $0.54/ea
Zoro Select Standard Crown Cap Nut, #10-32, 316 Stainless Steel, Plain, 13/32 in H, 5 PK CPB005
Zoro Select

Standard Crown Cap Nut, #10-32, 316 Stainless Steel, Plain, 13/32 in H, 5 PK

Zoro # G2902803
Mfr # CPB005
product price: $12.39
/pk 5, $2.48/ea
Midwest Fastener Acorn Nut, 3/8"-16, 18-8 Stainless Steel, 25 PK 50713
Midwest Fastener

Acorn Nut, 3/8"-16, 18-8 Stainless Steel, 25 PK

Zoro # G602515503
Mfr # 50713
product price: $51.49
/pk 25, $2.06/ea
Midwest Fastener Acorn Nut, 1/4"-20, Brass, Nickel Plated, 14 PK 61077
Midwest Fastener

Acorn Nut, 1/4"-20, Brass, Nickel Plated, 14 PK

Zoro # G302520746
Mfr # 61077
product price: $12.79
/pk 14, $0.91/ea
Midwest Fastener Acorn Nut, #10-24, Brass, 20 PK 61064
Midwest Fastener

Acorn Nut, #10-24, Brass, 20 PK

Zoro # G902521105
Mfr # 61064
product price: $18.62
/pk 20, $0.93/ea
Midwest Fastener Acorn Nut, 3/8"-24, 18-8 Stainless Steel, 6 PK 33804
Midwest Fastener

Acorn Nut, 3/8"-24, 18-8 Stainless Steel, 6 PK

Zoro # G602518016
Mfr # 33804
product price: $16.75
/pk 6, $2.79/ea
Boltsandnuts.Com 3/8"-16, 18-8 Stainless Steel, Plain, 100 PK 37CACORNNSS-100
Boltsandnuts.Com

3/8"-16, 18-8 Stainless Steel, Plain, 100 PK

Zoro # G814451590
Mfr # 37CACORNNSS-100
product price: $100.99
/pk 100, $1.01/ea
Midwest Fastener Acorn Nut, M6-1.00, Stainless Steel, 4 PK 69611
Midwest Fastener

Acorn Nut, M6-1.00, Stainless Steel, 4 PK

Zoro # G702519685
Mfr # 69611
product price: $8.29
/pk 4, $2.07/ea
Suburban Bolt And Supply Acorn Nut, #10-32, Steel, Plain A043012000C
Suburban Bolt And Supply

Acorn Nut, #10-32, Steel, Plain

Zoro # G203497406
Mfr # A043012000C
product price: $0.07
/ea
Sold in mult. of 100 for $7.00
Midwest Fastener Acorn Nut, 7/16"-20, 18-8 Stainless Steel, 5 PK 33805
Midwest Fastener

Acorn Nut, 7/16"-20, 18-8 Stainless Steel, 5 PK

Zoro # G802518069
Mfr # 33805
product price: $21.04
/pk 5, $4.21/ea
Zoro Select Low Crown Cap Nut, #6-32, 316 Stainless Steel, Plain, 11/32 in H, 10 PK CPB262
Zoro Select

Low Crown Cap Nut, #6-32, 316 Stainless Steel, Plain, 11/32 in H, 10 PK

Zoro # G1180916
Mfr # CPB262
product price: $16.89
/pk 10, $1.69/ea
Prime-Line Acorn Cap Nuts, 1/4 in.-20, Solid Brass (10 Pack) 9077389
Prime-Line

Acorn Cap Nuts, 1/4 in.-20, Solid Brass (10 Pack)

Zoro # G211906105
Mfr # 9077389
product price: $17.99
/pk 10, $1.80/ea
Kipp Cap Nut, M16, Stainless Steel, Polished K1328.16
Kipp

Cap Nut, M16, Stainless Steel, Polished

Zoro # G502198257
Mfr # K1328.16
product price: $25.65
/ea
Zoro Select Extra Low Crown Cap Nut, 1/2"-13, Brass, Plain, 9/16 in H, 10 PK CPB056
Zoro Select

Extra Low Crown Cap Nut, 1/2"-13, Brass, Plain, 9/16 in H, 10 PK

Zoro # G0251072
Mfr # CPB056
product price: $19.55
/pk 10, $1.96/ea
Zoro Select Standard Crown Cap Nut, 1/4"-20, 18-8 Stainless Steel, Plain, 19/32 in H, 10 PK CPB023
CAD Files Available
Zoro Select

Standard Crown Cap Nut, 1/4"-20, 18-8 Stainless Steel, Plain, 19/32 in H, 10 PK

Zoro # G2933707
Mfr # CPB023
product price: $12.39
/pk 10, $1.24/ea
Cap Nuts & Acorn Nuts (594 items)
  • 1
    of 17 pages
  • Next
  • Last

About Cap Nuts & Acorn Nuts

Acorn Nuts are a type of fastener commonly used for applications that require a secure, reliable hold. They come in a variety of sizes and materials, making them ideal for many different projects and tasks. Acorn cap nuts usually screw onto the exposed male end of fasteners, protecting the threads while creating a more finished look.

Types of Acorn Nuts

Acorn Nuts are available in a variety of materials, different sizes and unique properties that make it suitable for certain jobs or tasks. For instance, brass acorn nuts have excellent electrical conductivity while plastic acorn nuts offer superior corrosion resistance. Other types of acorn nuts are available to allow users to match certain aesthetics while fitting inside tight assemblies.

How Acorn Nuts are Made

Acorn Nuts are made using high-quality metals such as steel and brass which are then machined into the desired shape. The threads on the nuts are cut precisely to ensure that they fit properly with the corresponding bolt or screw.

Industries that use Acorn Nuts

Acorn Nuts can be found in many industries including automotive manufacturing, electrical engineering, aerospace engineering and construction. Professionals in these industries use acorn nuts to securely fasten components together or to provide insulation from electricity.

Find the Acorn Nuts You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of fasteners, along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Hex NutsLock NutsSpring Nuts & Cage NutsCoupling NutsGeneral Washers
Machine ScrewsHex Head Cap ScrewsFully-Threaded Rods & StudsSocket Head Cap ScrewsSelf-Tapping Screws
1/2" acorn nut4-40 acorn5 16 acorn nut3/8-16 stainless nut1 4 20 cap nut
1/2-13 acorn nut3/8” steel3/8-16 acorn nut1/4 acorn nut1/2-13 stainless nut

Sign Up & Save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow Us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every Part Plays a Part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

Zoro, Inc

Connect

Customer Service From Real People

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc