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Operated in the USA
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Unmatched Quality
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Fast Shipping
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Expert Support
Keystock
Shop our extensive inventory on keystock and view our keyway size chart to figure out what keystock size you need.| 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" |
| 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 |
Frequently Asked Questions
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All our products are subject to quality control.
Our warranty provides a guarantee against manufacturer defects.
The guarantee covers any manufacturing, design, or material defect. Please notify us within 2 months of noticing any defects.
It does not cover blows, improper use, or other issues that are not attributable to a manufacturer defects. -
Yes, we offer full and partial refunds.
Please enquire for more information about our Refund policy. -
We use all major carriers, and local courier partners. Use the shipping estimator in the cart to check your shipping rates.
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Use this text block to discuss some commonly asked questions like shipping and returns, sizing, warranties, or product and company details.