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Keystock

Shop our extensive inventory on keystock and view our keyway size chart to figure out what keystock size you need.

Standard Shaft Keyway size chart
Shaft Diameter (From) Shaft Diameter (To) Keyway Width Keyway Depth Key Width Key Depth
5/16" 7/16" 3/32" 3/64" 3/32" 3/32"
1/2" 9/16" 1/8" 1/16" 1/8" 1/8"
5/8" 7/8" 3/16" 3/32" 3/16" 3/16"
15/16" 1-1/4" 1/4" 1/8" 1/4" 1/4"
1-5/16" 1-3/8" 5/16" 5/32" 5/16" 5/16"
1-7/16" 1-3/4" 3/8" 3/16" 3/8" 3/8"
1-13/16" 2-1/4" 1/2" 1/4" 1/2" 1/2"
2-5/16" 2-3/4" 5/8" 5/16" 5/8" 5/8"
2-13/16" 3-1/4" 3/4" 3/8" 3/4" 3/4"
3-5/16" 3-3/4" 7/8" 7/16" 7/8" 7/8"
3-13/16" 4-1/2" 1" 1/2" 1" 1"
4-9/16" 5-1/2" 1-1/4" 5/8" 1-1/4" 1-1/4"
5-9/16" 6-1/2" 1-1/2" 3/4" 1-1/2" 1-1/2"
6-9/16" 7-1/2" 1-3/4" 3/4" 1-3/4" 1-1/2"
7-9/16" 9" 2" 3/4" 2" 1-1/2"



Metric Shaft Keyway size chart
Shaft Diameter (From) Shaft Diameter (To) Keyway Width Keyway Depth Key Width Key Depth
6mm 8mm 2mm 1.0mm 2mm 2mm
9mm 10mm 3mm 1.4mm 3mm 3mm
11mm 12mm 4mm 1.8mm 4mm 4mm
13mm 17mm 5mm 2.3mm 5mm 5mm
18mm 22mm 6mm 2.8mm 6mm 6mm
23mm 30mm 8mm 3.3mm 8mm 7mm
31mm 38mm 10mm 3.3mm 10mm 8mm
39mm 44mm 12mm 3.3mm 12mm 8mm
45mm 50mm 14mm 3.8mm 14mm 9mm
51mm 58mm 16mm 4.3mm 16mm 10mm
59mm 65mm 18mm 4.4mm 18mm 11mm
66mm 75mm 20mm 4.9mm 20mm 12mm
76mm 86mm 22mm 5.4mm 22mm 14mm
86mm 96mm 25mm 5.4mm 25mm 14mm
96mm 110mm 28mm 6.4mm 28mm 16mm
111mm 130mm 32mm 7.4mm 32mm 18mm
131mm 150mm 36mm 8.4mm 36mm 20mm
151mm 170mm 40mm 9.4mm 40mm 22mm
171mm 200mm 45mm 10.4mm 45mm 25mm
201mm 230mm 50mm 11.4mm 50mm 28mm
231mm 260mm 56mm 12.4mm 56mm 32mm
261mm 290mm 63mm 12.4mm 63mm 32mm
291mm 330mm 70mm 14.4mm 70mm 36mm
331mm 380mm 80mm 15.4mm 80mm 40mm
381mm 440mm 90mm 17.4mm 90mm 45mm
441mm 500mm 100mm 19.5mm 100mm 50mm


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Keystock is a common in-stock item from USA Roller Chain and sprockets and is available for purchase online or by over the phone. We have Keystock in standard 1ft lengths, 3ft lengths, 6ft lengths, 12ft lengths, and custom cut lengths upon request. We also have metric Keystock, stainless steel Keystock, and step Keystock all in stock. For more information or for pricing and availability on Keystock please contact us and we will be happy to assist you.

Phone: (407) 347-3519
Email: sales@usarollerchain.com