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Machine Keys (446 items)

Zoro Select Undersized Machine Key, Square End, Steel, Plain, 1 in L, 3/16 in Sq, 10 PK WWG-30006
Zoro Select

Undersized Machine Key, Square End, Steel, Plain, 1 in L, 3/16 in Sq, 10 PK

Zoro # G0406305
Mfr # WWG-30006
product price:  $5.15
/pk 10, $0.52/ea
Zoro Select Undersized Machine Key, Square End, Steel, Plain, 2 in L, 1/4 in Sq, 10 PK WWG-30017
Zoro Select

Undersized Machine Key, Square End, Steel, Plain, 2 in L, 1/4 in Sq, 10 PK

Zoro # G2447191
Mfr # WWG-30017
product price:  $6.89
/pk 10, $0.69/ea
Zoro Select Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 2 in L, 3/8 in Sq WWG-0375-2000GB
Zoro Select

Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 2 in L, 3/8 in Sq

Zoro # G3476261
Mfr # WWG-0375-2000GB
product price:  $8.19
/ea
Zoro Select Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 2 in L, 1/4 in Sq WWG-0250-2000GB
Zoro Select

Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 2 in L, 1/4 in Sq

Zoro # G0754512
Mfr # WWG-0250-2000GB
product price:  $6.79
/ea
Zoro Select Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 2 in L, 5/16 in Sq WWG-0312-2000GB
Zoro Select

Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 2 in L, 5/16 in Sq

Zoro # G2357573
Mfr # WWG-0312-2000GB
product price:  $7.79
/ea
Zoro Select Oversized Machine Key, Square End, Steel, Plain, 1-1/4 in L, 1/4 in Sq, 10 PK WWG-35246
Zoro Select

Oversized Machine Key, Square End, Steel, Plain, 1-1/4 in L, 1/4 in Sq, 10 PK

Zoro # G3217977
Mfr # WWG-35246
product price:  $5.59
/pk 10, $0.56/ea
Precision Brand Machine Key, Square End, Steel, 12 in L, 3/16 in Sq, 6 PK 14200
Precision Brand

Machine Key, Square End, Steel, 12 in L, 3/16 in Sq, 6 PK

Zoro # G5321085
Mfr # 14200
product price:  $10.99
/pk 6, $1.83/ea
Huyett Undersized Machine Key, Square End, Steel, Plain, 3 in L, 3/4 in Sq 3007500750-3000
Huyett

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

Zoro # G9119400
Mfr # 3007500750-3000
product price:  $2.49
/ea
Sold in mult. of 9 for $22.41
Huyett Undersized Machine Key, Round End, Stainless Steel, Plain, 40 mm L, 8 x 7 mm Sq 720807-040
Huyett

Undersized Machine Key, Round End, Stainless Steel, Plain, 40 mm L, 8 x 7 mm Sq

Zoro # G9124705
Mfr # 720807-040
product price:  $3.95
/ea
Sold in mult. of 5 for $19.75
Zoro Select Oversized Machine Key, Square End, Steel, Plain, 1-1/2 in L, 3/16 in Sq, 10 PK WWG-35240
Zoro Select

Oversized Machine Key, Square End, Steel, Plain, 1-1/2 in L, 3/16 in Sq, 10 PK

Zoro # G1554761
Mfr # WWG-35240
product price:  $8.29
/pk 10, $0.83/ea
Huyett Undersized Machine Key, Round End, Stainless Steel, Plain, 3/4 in L, 1/4 in Sq 7202500250-0750
Huyett

Undersized Machine Key, Round End, Stainless Steel, Plain, 3/4 in L, 1/4 in Sq

Zoro # G700005906
Mfr # 7202500250-0750
product price:  $0.88
/ea
Sold in mult. of 30 for $26.40
Zoro Select Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 3 in L, 1/2 in Sq WWG-0500-3000GB
Zoro Select

Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 3 in L, 1/2 in Sq

Zoro # G1115877
Mfr # WWG-0500-3000GB
product price:  $9.89
/ea
Zoro Select Undersized Machine Key, Square End, Steel, Plain, 2-1/2 in L, 1/2 in Sq, 10 PK WWG-30031
Zoro Select

Undersized Machine Key, Square End, Steel, Plain, 2-1/2 in L, 1/2 in Sq, 10 PK

Zoro # G1629241
Mfr # WWG-30031
product price:  $14.29
/pk 10, $1.43/ea
Midwest Fastener Machine Key Machine Key, Square End, 3 in L, 3/16 in Sq, 4 PK 32365
CAD Files Available
Midwest Fastener

Machine Key Machine Key, Square End, 3 in L, 3/16 in Sq, 4 PK

Zoro # G002526109
Mfr # 32365
product price:  $11.15
/pk 4, $2.79/ea
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 1-3/4 in L, 7/16 in Sq 3004370437-1750
Huyett

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

Zoro # G9118439
Mfr # 3004370437-1750
product price:  $0.82
/ea
Sold in mult. of 25 for $20.50
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 1-1/2 in L, 5/16 in Sq 3003120312-1500
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 1-1/2 in L, 5/16 in Sq

Zoro # G000005699
Mfr # 3003120312-1500
product price:  $0.28
/ea
Sold in mult. of 90 for $25.20
Huyett Oversized Machine Key, Square End, Carbon Steel, Plain, 1-1/2 in L, 3/16 in Sq 3501870187-1500
Huyett

Oversized Machine Key, Square End, Carbon Steel, Plain, 1-1/2 in L, 3/16 in Sq

Zoro # G700005739
Mfr # 3501870187-1500
product price:  $0.16
/ea
Sold in mult. of 180 for $28.80
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 1 in L, 3/16 x 1/4 in Sq 3001870250-1000
Huyett

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

Zoro # G800004748
Mfr # 3001870250-1000
product price:  $0.23
/ea
Sold in mult. of 145 for $33.35
Huyett Mil-Spec Machine Key, Round End, Alloy Steel, Plain, 3/4 in L, 3/32 in Sq MS20068-12
Huyett

Mil-Spec Machine Key, Round End, Alloy Steel, Plain, 3/4 in L, 3/32 in Sq

Zoro # G500019943
Mfr # MS20068-12
product price:  $4.99
/ea
Sold in mult. of 100 for $499.00
Zoro Select Undersized Machine Key, Square End, Steel, Plain, 1-1/2 in L, 3/8 in Sq, 10 PK WWG-30026
Zoro Select

Undersized Machine Key, Square End, Steel, Plain, 1-1/2 in L, 3/8 in Sq, 10 PK

Zoro # G1847194
Mfr # WWG-30026
product price:  $8.15
/pk 10, $0.82/ea
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, Stainless Steel, Plain, 50 mm L, 10 mm Sq 701010-050
Huyett

Undersized Machine Key, Square End, Stainless Steel, Plain, 50 mm L, 10 mm Sq

Zoro # G9124906
Mfr # 701010-050
product price:  $2.89
/ea
Sold in mult. of 100 for $289.00
Huyett Undersized Machine Key, Square End, Steel, Plain, 5/8 in L, 3/16 in Sq 3001870187-0625
Huyett

Undersized Machine Key, Square End, Steel, Plain, 5/8 in L, 3/16 in Sq

Zoro # G9116740
Mfr # 3001870187-0625
product price:  $0.12
/ea
Sold in mult. of 225 for $27.00
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 1-1/4 in L, 1/4 in Sq 3002500250-1250
Huyett

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

Zoro # G400004803
Mfr # 3002500250-1250
product price:  $0.15
/ea
Sold in mult. of 171 for $25.65
Midwest Fastener Machine Key Machine Key, Square End, 40 mm L, 6 mm Sq, 8 PK 32388
Midwest Fastener

Machine Key Machine Key, Square End, 40 mm L, 6 mm Sq, 8 PK

Zoro # G502526104
Mfr # 32388
product price:  $12.45
/pk 8, $1.56/ea
Midwest Fastener Machine Key Machine Key, Square End, 6 in L, 1/4 in Sq, 4 PK 32368
CAD Files Available
Midwest Fastener

Machine Key Machine Key, Square End, 6 in L, 1/4 in Sq, 4 PK

Zoro # G402526105
Mfr # 32368
product price:  $15.45
/pk 4, $3.86/ea
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 2 in L, 3/8 in Sq 3003750375-2000
Huyett

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

Zoro # G200003952
Mfr # 3003750375-2000
product price:  $0.48
/ea
Sold in mult. of 51 for $24.48
Huyett Oversized Machine Key, Round End, Steel, Plain, 1 in L, 5/16 in Sq 3203120312-1000
Huyett

Oversized Machine Key, Round End, Steel, Plain, 1 in L, 5/16 in Sq

Zoro # G9121239
Mfr # 3203120312-1000
product price:  $0.77
/ea
Sold in mult. of 20 for $15.40
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 2 in L, 3/8 in Sq 4503750375-2000
Huyett

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

Zoro # G200006793
Mfr # 4503750375-2000
product price:  $0.64
/ea
Sold in mult. of 38 for $24.32
Huyett Undersized Machine Key, Square End, Steel, Plain, 4 in L, 3/8 in Sq 3003750375-4000
Huyett

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

Zoro # G9118140
Mfr # 3003750375-4000
product price:  $0.86
/ea
Sold in mult. of 25 for $21.50
Zoro Select Undersized Machine Key, Square End, Steel, Plain, 2 in L, 5/16 in Sq, 10 PK WWG-30023
Zoro Select

Undersized Machine Key, Square End, Steel, Plain, 2 in L, 5/16 in Sq, 10 PK

Zoro # G1715341
Mfr # WWG-30023
product price:  $8.15
/pk 10, $0.82/ea
Zoro Select Oversized Machine Key, Square End, Steel, Plain, 3/4 in L, 3/16 in Sq, 10 PK WWG-35237
Zoro Select

Oversized Machine Key, Square End, Steel, Plain, 3/4 in L, 3/16 in Sq, 10 PK

Zoro # G0674642
Mfr # WWG-35237
product price:  $6.39
/pk 10, $0.64/ea
Zoro Select Undersized Machine Key, Square End, Steel, Plain, 1-1/4 in L, 1/8 in Sq, 10 PK WWG-30003
Zoro Select

Undersized Machine Key, Square End, Steel, Plain, 1-1/4 in L, 1/8 in Sq, 10 PK

Zoro # G2251934
Mfr # WWG-30003
product price:  $4.99
/pk 10, $0.50/ea
Huyett Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 2 in L, 3/16 in Sq 3101870187-2000
Huyett

Undersized Machine Key, Square End, Carbon Steel, Zinc Clear Trivalent, 2 in L, 3/16 in Sq

Zoro # G9120505
Mfr # 3101870187-2000
product price:  $0.27
/ea
Sold in mult. of 85 for $22.95
Midwest Fastener Machine Key Machine Key, Square End, 3 in L, 1/8 in Sq, 6 PK 32361
Midwest Fastener

Machine Key Machine Key, Square End, 3 in L, 1/8 in Sq, 6 PK

Zoro # G202526138
Mfr # 32361
product price:  $14.99
/pk 6, $2.50/ea
Huyett Oversized Machine Key, Round End, Steel, Plain, 36 mm L, 12 x 8 mm Sq 321208-036
Huyett

Oversized Machine Key, Round End, Steel, Plain, 36 mm L, 12 x 8 mm Sq

Zoro # G9122456
Mfr # 321208-036
product price:  $0.77
/ea
Sold in mult. of 30 for $23.10
Machine Keys (446 items)
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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 StockGeneral Washers
Hex Head Cap ScrewsLock NutsExternal Retaining RingsLock WashersHex Nuts
machine key steelundersized machine keymetric machine keygib keymachine key square
machine key round endmachine key machine keymachine keyrounded machine keysClevis Pins

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