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
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Customer Service
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. Key Stock
  6. /
  7. Machine Keys

Machine Keys (445 items) - Page 10

Huyett Undersized Machine Key, Round End, Carbon Steel, plain, 35 mm L, 10 mm Sq 321010-035
Huyett

Undersized Machine Key, Round End, Carbon Steel, plain, 35 mm L, 10 mm Sq

Zoro # G200004171
Mfr # 321010-035
product price:  $7.99
/ea
Sold in mult. of 50 for $399.50
Huyett Mil-Spec Machine Key, Square End, Alloy Steel, Plain, 1-1/4 in L, 5/16 in Sq MS20066-302
Huyett

Mil-Spec Machine Key, Square End, Alloy Steel, Plain, 1-1/4 in L, 5/16 in Sq

Zoro # G100019367
Mfr # MS20066-302
product price:  $4.95
/ea
Sold in mult. of 125 for $618.75
Huyett Undersized Machine Key, Square End, Steel, Plain, 10 mm L, 2 mm Sq 300202-010
Huyett

Undersized Machine Key, Square End, Steel, Plain, 10 mm L, 2 mm Sq

Zoro # G9117215
Mfr # 300202-010
product price:  $0.24
/ea
Sold in mult. of 5000 for $1,200.00
Huyett Undersized Machine Key, Square End, Carbon Steel, plain, 45 mm L, 6 mm Sq 300606-045
Huyett

Undersized Machine Key, Square End, Carbon Steel, plain, 45 mm L, 6 mm Sq

Zoro # G300006532
Mfr # 300606-045
product price:  $1.85
/ea
Sold in mult. of 40 for $74.00
Huyett Mil-Spec Machine Key, Round End, Carbon Steel, Plain, 3/8 in L, 1/4 in Sq MS20068-164
Huyett

Mil-Spec Machine Key, Round End, Carbon Steel, Plain, 3/8 in L, 1/4 in Sq

Zoro # G600018587
Mfr # MS20068-164
product price:  $2.55
/ea
Sold in mult. of 120 for $306.00
Huyett Undersized Machine Key, Square End, Steel, Plain, 1/2 in L, 1/16 in Sq 3000620062-0500
Huyett

Undersized Machine Key, Square End, Steel, Plain, 1/2 in L, 1/16 in Sq

Zoro # G9116375
Mfr # 3000620062-0500
product price:  $1.15
/ea
Sold in mult. of 25 for $28.75
Huyett Undersized Machine Key, Round End, Stainless Steel, Plain, 16 mm L, 5 mm Sq 820505-016
Huyett

Undersized Machine Key, Round End, Stainless Steel, Plain, 16 mm L, 5 mm Sq

Zoro # G500005328
Mfr # 820505-016
product price:  $1.29
/ea
Sold in mult. of 150 for $193.50
Huyett Oversized Machine Key, Round End, Steel, Plain, 50 mm L, 6 x 4 mm Sq 320604-050
Huyett

Oversized Machine Key, Round End, Steel, Plain, 50 mm L, 6 x 4 mm Sq

Zoro # G9121701
Mfr # 320604-050
product price:  $7.99
/ea
Sold in mult. of 40 for $319.60
Huyett Mil-Spec Machine Key, Square End, Carbon Steel, Plain, 1/2 in L, 1/4 in Sq MS20066-249
Huyett

Mil-Spec Machine Key, Square End, Carbon Steel, Plain, 1/2 in L, 1/4 in Sq

Zoro # G200019854
Mfr # MS20066-249
product price:  $1.99
/ea
Sold in mult. of 120 for $238.80
Huyett Undersized Machine Key, Square End, Steel, Plain, 56 mm L, 18 x 11 mm Sq 301811-056
Huyett

Undersized Machine Key, Square End, Steel, Plain, 56 mm L, 18 x 11 mm Sq

Zoro # G9120231
Mfr # 301811-056
product price:  $5.35
/ea
Sold in mult. of 12 for $64.20
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 1-7/8 in L, 3/16 in Sq 7001870187-1875
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 1-7/8 in L, 3/16 in Sq

Zoro # G9123969
Mfr # 7001870187-1875
product price:  $0.65
/ea
Sold in mult. of 200 for $130.00
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 25 mm L, 8 mm Sq 700808-025
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 25 mm L, 8 mm Sq

Zoro # G9124921
Mfr # 700808-025
product price:  $0.81
/ea
Sold in mult. of 25 for $20.25
Huyett Undersized Machine Key, Round End, Stainless Steel, Plain, 1/2 in L, 1/8 in Sq 7201250125-0500
Huyett

Undersized Machine Key, Round End, Stainless Steel, Plain, 1/2 in L, 1/8 in Sq

Zoro # G9124650
Mfr # 7201250125-0500
product price:  $3.15
/ea
Sold in mult. of 100 for $315.00
Huyett Undersized Machine Key, Round End, Stainless Steel, Plain, 2-1/2 in L, 1/2 in Sq 7205000500-2500
Huyett

Undersized Machine Key, Round End, Stainless Steel, Plain, 2-1/2 in L, 1/2 in Sq

Zoro # G300005672
Mfr # 7205000500-2500
product price:  $11.49
/ea
Sold in mult. of 2 for $22.98
Huyett Undersized Machine Key, Square End, Stainless Steel, plain, 3 5/8 in L, 1/4 in Sq 7002500250-3625
Huyett

Undersized Machine Key, Square End, Stainless Steel, plain, 3 5/8 in L, 1/4 in Sq

Zoro # G200004522
Mfr # 7002500250-3625
product price:  $1.39
/ea
Sold in mult. of 100 for $139.00
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 7/8 in L, 1/4 x 3/8 in Sq 4502500375-0875
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 7/8 in L, 1/4 x 3/8 in Sq

Zoro # G200006694
Mfr # 4502500375-0875
product price:  $0.35
/ea
Sold in mult. of 100 for $35.00
Huyett Undersized Machine Key, Round End, Carbon Steel, plain, 2 7/8 in L, 3/8 in Sq 3203750375-2875
Huyett

Undersized Machine Key, Round End, Carbon Steel, plain, 2 7/8 in L, 3/8 in Sq

Zoro # G200006014
Mfr # 3203750375-2875
product price:  $4.15
/ea
Sold in mult. of 100 for $415.00
Huyett Oversized Machine Key, Round End, Carbon Steel, Zinc Clear Trivalent, 40 mm L, 12 mm Sq 32Z1212-040
Huyett

Oversized Machine Key, Round End, Carbon Steel, Zinc Clear Trivalent, 40 mm L, 12 mm Sq

Zoro # G9122830
Mfr # 32Z1212-040
product price:  $3.25
/ea
Sold in mult. of 5 for $16.25
Huyett Oversized Machine Key, Round End, Steel, Plain, 2-1/4 in L, 1 in Sq 3210001000-2250
Huyett

Oversized Machine Key, Round End, Steel, Plain, 2-1/4 in L, 1 in Sq

Zoro # G9121887
Mfr # 3210001000-2250
product price:  $10.75
/ea
Sold in mult. of 28 for $301.00
Huyett Undersized Machine Key, Square End, Carbon Steel, plain, 4 1/2 in L, 3/4 x 1 in Sq 3007501000-4500
Huyett

Undersized Machine Key, Square End, Carbon Steel, plain, 4 1/2 in L, 3/4 x 1 in Sq

Zoro # G000004494
Mfr # 3007501000-4500
product price:  $7.15
/ea
Sold in mult. of 12 for $85.80
Huyett Undersized Machine Key, Square End, Steel, Plain, 85 mm L, 25 x 14 mm Sq 302514-085
Huyett

Undersized Machine Key, Square End, Steel, Plain, 85 mm L, 25 x 14 mm Sq

Zoro # G9120356
Mfr # 302514-085
product price:  $8.39
/ea
Sold in mult. of 4 for $33.56
Midwest Fastener Machine Key Machine Key, Square End, 25 mm L, 5 mm Sq, 12 PK 32384
CAD Files Available
Midwest Fastener

Machine Key Machine Key, Square End, 25 mm L, 5 mm Sq, 12 PK

Zoro # G702526133
Mfr # 32384
product price:  $12.15
/pk 12, $1.01/ea
Huyett Oversized Machine Key, Round End, Steel, Plain, 70 mm L, 6 x 4 mm Sq 320604-070
Huyett

Oversized Machine Key, Round End, Steel, Plain, 70 mm L, 6 x 4 mm Sq

Zoro # G9121625
Mfr # 320604-070
product price:  $7.79
/ea
Sold in mult. of 40 for $311.60
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 4 in L, 3/8 in Sq 8003750375-4000
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 4 in L, 3/8 in Sq

Zoro # G100006343
Mfr # 8003750375-4000
product price:  $5.15
/ea
Sold in mult. of 25 for $128.75
Huyett Undersized Machine Key, Square End, Carbon Steel, plain, 13 mm L, 8 mm Sq 300808-013
Huyett

Undersized Machine Key, Square End, Carbon Steel, plain, 13 mm L, 8 mm Sq

Zoro # G900004761
Mfr # 300808-013
product price:  $0.24
/ea
Sold in mult. of 500 for $120.00
Huyett Oversized Machine Key, Carbon Steel, Plain, 7/8 in L, 1/4 in Sq 6002500250-0875
Huyett

Oversized Machine Key, Carbon Steel, Plain, 7/8 in L, 1/4 in Sq

Zoro # G9123521
Mfr # 6002500250-0875
product price:  $0.18
/ea
Sold in mult. of 142 for $25.56
Huyett Oversized Machine Key, Square End, Carbon Steel, Plain, 66.70 mm L, 6 mm Sq 350606-066.7
Huyett

Oversized Machine Key, Square End, Carbon Steel, Plain, 66.70 mm L, 6 mm Sq

Zoro # G9122681
Mfr # 350606-066.7
product price:  $0.55
/ea
Sold in mult. of 40 for $22.00
Huyett Oversized Machine Key, Round End, Steel, Plain, 6 1/2 in L, 1/4 in Sq 3202500250-6500
Huyett

Oversized Machine Key, Round End, Steel, Plain, 6 1/2 in L, 1/4 in Sq

Zoro # G9051729
Mfr # 3202500250-6500
product price:  $3.45
/ea
Sold in mult. of 120 for $414.00
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 6-1/2 in L, 17/32 x 5/8 in Sq 3005310625-6500
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 6-1/2 in L, 17/32 x 5/8 in Sq

Zoro # G700006187
Mfr # 3005310625-6500
product price:  $72.39
/ea
Sold in mult. of 4 for $289.56
Huyett Undersized Machine Key, Round End, Carbon Steel, Plain, 120 mm L, 14 x 9 mm Sq 321409-120
Huyett

Undersized Machine Key, Round End, Carbon Steel, Plain, 120 mm L, 14 x 9 mm Sq

Zoro # G600004368
Mfr # 321409-120
product price:  $67.49
/ea
Sold in mult. of 4 for $269.96
Midwest Fastener Machine Key Machine Key, Square End, Stainless Steel, 2 in L, 7/16 in Sq, 3 PK 36414
Midwest Fastener

Machine Key Machine Key, Square End, Stainless Steel, 2 in L, 7/16 in Sq, 3 PK

Zoro # G102526146
Mfr # 36414
product price:  $14.69
/pk 3, $4.90/ea
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 2 in L, 1/2 in Sq 4505000500-2000
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 2 in L, 1/2 in Sq

Zoro # G300006839
Mfr # 4505000500-2000
product price:  $6.15
/ea
Sold in mult. of 12 for $73.80
Huyett Undersized Machine Key, Square End, Steel, Plain, 1-7/8 in L, 1/4 x 3/8 in Sq 4502500375-1875
Huyett

Undersized Machine Key, Square End, Steel, Plain, 1-7/8 in L, 1/4 x 3/8 in Sq

Zoro # G9123320
Mfr # 4502500375-1875
product price:  $0.50
/ea
Sold in mult. of 60 for $30.00
Huyett Oversized Machine Key, Round End, Steel, Plain, 40 mm L, 12 mm Sq 321212-040
Huyett

Oversized Machine Key, Round End, Steel, Plain, 40 mm L, 12 mm Sq

Zoro # G9122270
Mfr # 321212-040
product price:  $2.99
/ea
Sold in mult. of 100 for $299.00
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 1 in L, 3/16 x 1/4 in Sq 7001870250-1000
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 1 in L, 3/16 x 1/4 in Sq

Zoro # G200004386
Mfr # 7001870250-1000
product price:  $0.60
/ea
Sold in mult. of 250 for $150.00
Huyett Undersized Machine Key, Square End, Steel, Plain, 11 13/16 in L, 5/8 in Sq 3006250625-11.8
Huyett

Undersized Machine Key, Square End, Steel, Plain, 11 13/16 in L, 5/8 in Sq

Zoro # G9119190
Mfr # 3006250625-11.8
product price:  $6.29
/ea
Sold in mult. of 30 for $188.70
Machine Keys (445 items) - Page 10
  • First
  • Previous
  • 10
    of 13 pages
  • Next
  • Last
How was your search?

About Machine Keys

Machine Keys are essential components for many mechanical operations. They come in a variety of shapes, sizes, and materials to suit the needs of any application.

Types of Machine Keys

Machine Key stock is available in a wide range of shapes and sizes, including flat keys, round keys, square keys, rectangular keys, and more. Different types of machine key stock may be used depending on the type of job or application they are being used for.

How Machine Keys are Made

Machine Keys are typically made from metal alloys such as steel or brass. They can also be constructed from other materials such as plastic or composite materials. The shape and size of the key will depend on its intended use.

Industries that use Machine Keys

Machine Keys are commonly used in industries such as automotive manufacturing, construction equipment manufacturing, and aerospace engineering. Professionals in these fields rely on machine keys to ensure accurate fitment and secure fastening when installing components.

Find the Machine Keys 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

Undersized Key StockWoodruff Key StockOversized Key StockStep Key StockGeneral Washers
Hex Head Cap ScrewsLock NutsHex NutsExternal Retaining RingsLock Washers
gib keymachine key round endundersized machine keymachine keymachine key steel
machine key squarerounded machine keysmachine key machine keymetric machine keyFully-Threaded Rods & Studs

Sign up and 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
  • Deals
  • Sitemap
  • Track My Order

Services

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

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