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 Support
0
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 (451 items) - Page 6

Huyett Oversized Machine Key, Round End, Steel, Plain, 100 mm L, 10 x 8 mm Sq 321008-100
Huyett

Oversized Machine Key, Round End, Steel, Plain, 100 mm L, 10 x 8 mm Sq

Zoro # G9122410
Mfr # 321008-100
product price: 
$1.49
/ea
Sold in mult. of 17 for $25.33
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 Oversized Machine Key, Round End, Steel, Plain, 25 mm L, 4 mm Sq 320404-025
Huyett

Oversized Machine Key, Round End, Steel, Plain, 25 mm L, 4 mm Sq

Zoro # G9121421
Mfr # 320404-025
product price: 
$0.17
/ea
Sold in mult. of 110 for $18.70
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 3 in L, 3/8 in Sq 8003750375-3000
Huyett

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

Zoro # G9125280
Mfr # 8003750375-3000
product price: 
$2.65
/ea
Sold in mult. of 7 for $18.55
Midwest Fastener Machine Key Machine Key, Square End, Steel, Zinc, 1-1/2 in L, 3/8 in Sq, 6 PK 62633
Midwest Fastener

Machine Key Machine Key, Square End, Steel, Zinc, 1-1/2 in L, 3/8 in Sq, 6 PK

Zoro # G002526154
Mfr # 62633
product price: 
$10.19
/pk 6, $1.70/ea
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, 25 mm L, 8 x 7 mm Sq 700807-025
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 25 mm L, 8 x 7 mm Sq

Zoro # G000004814
Mfr # 700807-025
product price: 
$0.70
/ea
Sold in mult. of 35 for $24.50
Huyett Oversized Machine Key, Round End, Carbon Steel, Plain, 3/4 in L, 3/16 in Sq 3701870187-0750
Huyett

Oversized Machine Key, Round End, Carbon Steel, Plain, 3/4 in L, 3/16 in Sq

Zoro # G100006527
Mfr # 3701870187-0750
product price: 
$0.28
/ea
Sold in mult. of 90 for $25.20
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 7-3/4 in L, 3/8 in Sq 3003750375-7750
Huyett

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

Zoro # G100004783
Mfr # 3003750375-7750
product price: 
$1.69
/ea
Sold in mult. of 200 for $338.00
Heritage Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 3/4 in L, 1/8 in Sq 3101250125-0750
Heritage

Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 3/4 in L, 1/8 in Sq

Zoro # G708170453
Mfr # 3101250125-0750
product price: 
$0.32
/ea
Sold in mult. of 52 for $16.64
Huyett Undersized Machine Key, Square End, Steel, Plain, 5 1/4 in L, 7/8 in Sq 3008750875-5250
Huyett

Undersized Machine Key, Square End, Steel, Plain, 5 1/4 in L, 7/8 in Sq

Zoro # G9119936
Mfr # 3008750875-5250
product price: 
$7.15
/ea
Sold in mult. of 100 for $715.00
Huyett Undersized Machine Key, Square End, Steel, Plain, 3-1/4 in L, 7/16 x 5/8 in Sq 7004370625-3250
Huyett

Undersized Machine Key, Square End, Steel, Plain, 3-1/4 in L, 7/16 x 5/8 in Sq

Zoro # G9124486
Mfr # 7004370625-3250
product price: 
$4.99
/ea
Sold in mult. of 3 for $14.97
Huyett Undersized Machine Key, Square End, Steel, Plain, 1-3/4 in L, 7/16 x 5/8 in Sq 3004370625-1750
Huyett

Undersized Machine Key, Square End, Steel, Plain, 1-3/4 in L, 7/16 x 5/8 in Sq

Zoro # G9118481
Mfr # 3004370625-1750
product price: 
$1.25
/ea
Sold in mult. of 18 for $22.50
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 20 mm L, 5 mm Sq 700505-020
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 20 mm L, 5 mm Sq

Zoro # G9124495
Mfr # 700505-020
product price: 
$0.39
/ea
Sold in mult. of 50 for $19.50
Huyett Undersized Machine Key, Round End, Stainless Steel, Plain, 119 mm L, 10 x 8 mm Sq 721008-119
Huyett

Undersized Machine Key, Round End, Stainless Steel, Plain, 119 mm L, 10 x 8 mm Sq

Zoro # G9125140
Mfr # 721008-119
product price: 
$6.25
/ea
Sold in mult. of 75 for $468.75
Huyett Oversized Machine Key, Round End, Carbon Steel, Zinc Clear Trivalent, 80 mm L, 7 mm Sq 32Z0707-080
Huyett

Oversized Machine Key, Round End, Carbon Steel, Zinc Clear Trivalent, 80 mm L, 7 mm Sq

Zoro # G9122690
Mfr # 32Z0707-080
product price: 
$9.89
/ea
Sold in mult. of 3 for $29.67
Huyett Undersized Machine Key, Round End, Carbon Steel, Plain, 6 mm L, 3 mm Sq 320303-006
Huyett

Undersized Machine Key, Round End, Carbon Steel, Plain, 6 mm L, 3 mm Sq

Zoro # G500005595
Mfr # 320303-006
product price: 
$0.72
/ea
Sold in mult. of 69 for $49.68
Huyett Undersized Machine Key, Square End, Steel, Zinc Clear Trivalent, 3 in L, 1/2 in Sq 3105000500-3000
Huyett

Undersized Machine Key, Square End, Steel, Zinc Clear Trivalent, 3 in L, 1/2 in Sq

Zoro # G9120697
Mfr # 3105000500-3000
product price: 
$1.55
/ea
Sold in mult. of 100 for $155.00
Huyett Undersized Machine Key, Round End, Carbon Steel, Plain, 140 mm L, 20 x 12 mm Sq 322012-140
Huyett

Undersized Machine Key, Round End, Carbon Steel, Plain, 140 mm L, 20 x 12 mm Sq

Zoro # G600004955
Mfr # 322012-140
product price: 
$5.35
/ea
Sold in mult. of 3 for $16.05
Huyett Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 1 in L, 3/16 in Sq 3101870187-1000
Huyett

Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 1 in L, 3/16 in Sq

Zoro # G100006893
Mfr # 3101870187-1000
product price: 
$0.09
/ea
Sold in mult. of 218 for $19.62
Huyett Undersized Machine Key, Round End, Carbon Steel, Plain, 55 mm L, 10 x 8 mm Sq 321008-055
Huyett

Undersized Machine Key, Round End, Carbon Steel, Plain, 55 mm L, 10 x 8 mm Sq

Zoro # G600003934
Mfr # 321008-055
product price: 
$1.39
/ea
Sold in mult. of 19 for $26.41
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 Undersized Machine Key, Round End, Carbon Steel, Plain, 150 mm L, 14 x 9 mm Sq 321409-150
Huyett

Undersized Machine Key, Round End, Carbon Steel, Plain, 150 mm L, 14 x 9 mm Sq

Zoro # G900004396
Mfr # 321409-150
product price: 
$4.85
/ea
Sold in mult. of 6 for $29.10
Huyett Undersized Machine Key, Stainless Steel, plain, 12 in L, 4 mm Sq 7002180250-12
Huyett

Undersized Machine Key, Stainless Steel, plain, 12 in L, 4 mm Sq

Zoro # G500004574
Mfr # 7002180250-12
product price: 
$35.99
/ea
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 16 mm L, 5 mm Sq 300505-016
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 16 mm L, 5 mm Sq

Zoro # G500006264
Mfr # 300505-016
product price: 
$0.11
/ea
Sold in mult. of 185 for $20.35
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 5-7/8 in L, 1-1/4 in Sq 4512501250-5875
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 5-7/8 in L, 1-1/4 in Sq

Zoro # G9123445
Mfr # 4512501250-5875
product price: 
$14.69
/ea
Huyett Undersized Machine Key, Square End, Steel, Plain, 3 in L, 3/16 x 1/4 in Sq 3001870250-3000
Huyett

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

Zoro # G9117230
Mfr # 3001870250-3000
product price: 
$0.45
/ea
Sold in mult. of 50 for $22.50
Huyett Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 3/4 in L, 1/4 in Sq 3102500250-0750
Huyett

Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 3/4 in L, 1/4 in Sq

Zoro # G300004651
Mfr # 3102500250-0750
product price: 
$0.23
/ea
Sold in mult. of 99 for $22.77
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 1-3/8 in L, 1/4 in Sq 8002500250-1375
Huyett

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

Zoro # G9125159
Mfr # 8002500250-1375
product price: 
$0.86
/ea
Sold in mult. of 25 for $21.50
Huyett Oversized Machine Key, Round End, Steel, Plain, 1-1/4 in L, 3/32 in Sq 3200930093-1250
Huyett

Oversized Machine Key, Round End, Steel, Plain, 1-1/4 in L, 3/32 in Sq

Zoro # G9120916
Mfr # 3200930093-1250
product price: 
$2.29
/ea
Sold in mult. of 100 for $229.00
Heritage Undersized Machine Key, Round End, Carbon Steel, Plain, 2-1/2 in L, 5/8 in Sq 3206250625-2500
Heritage

Undersized Machine Key, Round End, Carbon Steel, Plain, 2-1/2 in L, 5/8 in Sq

Zoro # G108170459
Mfr # 3206250625-2500
product price: 
$3.89
/ea
Sold in mult. of 10 for $38.90
Huyett Undersized Machine Key, Square End, Steel, Plain, 2-1/2 in L, 3/8 x 1/2 in Sq 3003750500-2500
Huyett

Undersized Machine Key, Square End, Steel, Plain, 2-1/2 in L, 3/8 x 1/2 in Sq

Zoro # G9118107
Mfr # 3003750500-2500
product price: 
$1.19
/ea
Sold in mult. of 17 for $20.23
Huyett Oversized Machine Key, Round End, Steel, Plain, 50 mm L, 8 mm Sq 320808-050
Huyett

Oversized Machine Key, Round End, Steel, Plain, 50 mm L, 8 mm Sq

Zoro # G9121905
Mfr # 320808-050
product price: 
$14.45
/ea
Sold in mult. of 2 for $28.90
Huyett Undersized Machine Key, Square End, Steel, Plain, 3 7/8 in L, 1/2 in Sq 3005000500-3875
Huyett

Undersized Machine Key, Square End, Steel, Plain, 3 7/8 in L, 1/2 in Sq

Zoro # G9118746
Mfr # 3005000500-3875
product price: 
$1.59
/ea
Sold in mult. of 14 for $22.26
Huyett Oversized Machine Key, Round End, Carbon Steel, Zinc Clear Trivalent, 40 mm L, 10 mm Sq 32Z1010-040
Huyett

Oversized Machine Key, Round End, Carbon Steel, Zinc Clear Trivalent, 40 mm L, 10 mm Sq

Zoro # G9122718
Mfr # 32Z1010-040
product price: 
$4.69
/ea
Sold in mult. of 8 for $37.52
Midwest Fastener Machine Key Machine Key, Square End, Stainless Steel, 1-1/2 in L, 5/16 in Sq, 5 PK 36407
Midwest Fastener

Machine Key Machine Key, Square End, Stainless Steel, 1-1/2 in L, 5/16 in Sq, 5 PK

Zoro # G402526143
Mfr # 36407
product price: 
$14.25
/pk 5, $2.85/ea
Machine Keys (451 items) - Page 6
  • First
  • Previous
  • 6
    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 StockOversized Key StockWoodruff Key StockStep Key StockExternal Retaining Rings
General WashersHex Head Cap ScrewsSpring PinsFully-Threaded Rods & StudsInternal Retaining Rings
round machine keymachine key round endmachine key squaremetric machine keymachine key machine key
machine key steelgib keyundersized machine keyrounded machine keysmachine key

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