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  7. Machine Keys

Machine Keys (445 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 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 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, 1-1/2 in L, 1/4 in Sq WWG-0250-1500GB
Zoro Select

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

Zoro # G3254447
Mfr # WWG-0250-1500GB
product price:  $7.69
/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 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
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
Zoro Select Undersized Machine Key, Square End, Steel, Plain, 2 in L, 1/2 in Sq, 10 PK WWG-30030
Zoro Select

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

Zoro # G3305373
Mfr # WWG-30030
product price:  $11.29
/pk 10, $1.13/ea
Zoro Select Oversized Machine Key, Round End, Steel, Plain, 3 1/2 in L, 1/2 in Sq WWG-37013
Zoro Select

Oversized Machine Key, Round End, Steel, Plain, 3 1/2 in L, 1/2 in Sq

Zoro # G1613561
Mfr # WWG-37013
product price:  $6.19
/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, 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 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 410 for $49.20
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
Zoro Select Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 3 in L, 5/8 in Sq WWG-0625-3000GB
Zoro Select

Tapered Gib Head Machine Key, Tapered Gib End, Steel, Plain, 3 in L, 5/8 in Sq

Zoro # G2570242
Mfr # WWG-0625-3000GB
product price:  $14.39
/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
Midwest Fastener Machine Key Machine Key, Square End, 6 in L, 5/32 in Sq, 5 PK 32364
Midwest Fastener

Machine Key Machine Key, Square End, 6 in L, 5/32 in Sq, 5 PK

Zoro # G502526142
Mfr # 32364
product price:  $14.15
/pk 5, $2.83/ea
Huyett Undersized Machine Key, Square End, Steel, Plain, 1-1/4 in L, 1/2 in Sq 3005000500-1250
Huyett

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

Zoro # G9118597
Mfr # 3005000500-1250
product price:  $0.69
/ea
Sold in mult. of 40 for $27.60
Huyett Undersized Machine Key, Square End, Carbon Steel, Plain, 30 mm L, 7 mm Sq 300707-030
Huyett

Undersized Machine Key, Square End, Carbon Steel, Plain, 30 mm L, 7 mm Sq

Zoro # G200004188
Mfr # 300707-030
product price:  $0.33
/ea
Sold in mult. of 84 for $27.72
Huyett Undersized Machine Key, Square End, Stainless Steel, Plain, 1 in L, 1/4 in Sq 7002500250-1000
Huyett

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

Zoro # G9124145
Mfr # 7002500250-1000
product price:  $0.38
/ea
Sold in mult. of 50 for $19.00
Huyett Undersized Machine Key, Square End, Steel, Plain, 3-1/2 in L, 3/8 in Sq 3003750375-3500
Huyett

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

Zoro # G9118238
Mfr # 3003750375-3500
product price:  $0.76
/ea
Sold in mult. of 30 for $22.80
Huyett Undersized Machine Key, Square End, Steel, Plain, 1 in L, 3/32 in Sq 3000930093-1000
Huyett

Undersized Machine Key, Square End, Steel, Plain, 1 in L, 3/32 in Sq

Zoro # G9116409
Mfr # 3000930093-1000
product price:  $0.30
/ea
Sold in mult. of 65 for $19.50
Huyett Oversized Machine Key, Round End, Steel, Plain, 16 mm L, 6 mm Sq 320606-016
Huyett

Oversized Machine Key, Round End, Steel, Plain, 16 mm L, 6 mm Sq

Zoro # G9121710
Mfr # 320606-016
product price:  $0.27
/ea
Sold in mult. of 90 for $24.30
Zoro Select Oversized Machine Key, Square End, Steel, Plain, 1/2 in L, 3/16 in Sq, 5 PK WWG-37001
Zoro Select

Oversized Machine Key, Square End, Steel, Plain, 1/2 in L, 3/16 in Sq, 5 PK

Zoro # G1238797
Mfr # WWG-37001
product price:  $8.49
/pk 5, $1.70/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
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 146 for $21.90
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
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
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 43 for $27.52
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 Oversized Machine Key, Round End, Steel, Plain, 3/8 in L, 1/8 in Sq 3201250125-0375
Huyett

Oversized Machine Key, Round End, Steel, Plain, 3/8 in L, 1/8 in Sq

Zoro # G9120870
Mfr # 3201250125-0375
product price:  $1.89
/ea
Sold in mult. of 10 for $18.90
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 Oversized Machine Key, Round End, Carbon Steel, Plain, 125 mm L, 18 x 11 mm Sq 321811-125
Huyett

Oversized Machine Key, Round End, Carbon Steel, Plain, 125 mm L, 18 x 11 mm Sq

Zoro # G9122639
Mfr # 321811-125
product price:  $4.95
/ea
Sold in mult. of 4 for $19.80
Zoro Select Oversized Machine Key, Square End, Steel, Plain, 1-3/4 in L, 3/8 in Sq, 10 PK WWG-35254
Zoro Select

Oversized Machine Key, Square End, Steel, Plain, 1-3/4 in L, 3/8 in Sq, 10 PK

Zoro # G0338922
Mfr # WWG-35254
product price:  $7.39
/pk 10, $0.74/ea
Sold in mult. of 3 for $22.17
Midwest Fastener Machine Key Machine Key, Square End, 25 mm L, 6 mm Sq, 10 PK 32387
Midwest Fastener

Machine Key Machine Key, Square End, 25 mm L, 6 mm Sq, 10 PK

Zoro # G002526161
Mfr # 32387
product price:  $11.65
/pk 10, $1.17/ea
Huyett Undersized Machine Key, Round End, Carbon Steel, Plain, 140 mm L, 22 x 14 mm Sq 322214-140
Huyett

Undersized Machine Key, Round End, Carbon Steel, Plain, 140 mm L, 22 x 14 mm Sq

Zoro # G300005245
Mfr # 322214-140
product price:  $37.49
/ea
Machine Keys (445 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 ScrewsExternal Retaining RingsFully-Threaded Rods & StudsLock NutsHex Nuts
machine key round endrounded machine keysmetric machine keymachine key steelmachine key square
machine key machine keyundersized machine keygib keymachine keyInternal Retaining Rings

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