2-4 1/2 GR 5 Heavy Hex Slotted Nut Plain Finish


  • WEIGHT: 2.7381 lbs.
  • DIAM: 2.0000 (2)
  • GRADE: GR 5
  • FINISH: Plain Finish
  • THREAD: 4 1/2

$35.09 /pc


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1,508 due in on 11/19/2021

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Product Description

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Heavy Hex Slotted Nut

Big Bolts offers heavy hex slotted nuts for a number of uses on both machinery and vehicles. These heavy hex nuts are specialty fasteners for use with cotter pins to lock-in bearings and gears in spindle applications. Also known as Heavy Slotted Nuts, Heavy Castellated Nuts or Heavy Spindle Nuts, our heavy hex slotted nuts are available in large diameters and 4 strength levels for various demands – grades 2, 5, 8 and 2H.

Stock up on these industrial fasteners now so you’ll always have them when you need them. Go ahead – we’ll make more! Log-In here to place your order.

- Dimensions per ASME B18.2.2
- Ideal for alt energy, heavy equipment, transportation, agriculture use
- Material and physical properties per ASTM A194 Grade 2H or SAE J995 for Grades 2 & 5
- Applications include: high-vibration, off-road, rotary bushings, bearings, trucks

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You and Us


Chances are, as you're reading this, there is some dirt under your fingernails and perhaps scabs on your knuckles. You are the bold one who doesn't shy away from removing a few bolts and nuts to see what's going on. You're reading this because you want to make sure you are dealing with a company that you can rely on to supply the right parts when you need them. And, whatever big project you are working on now, is a stepping stone for a bigger one. If that assessment feels right, go ahead and let us know.


We exist for one reason: there are big machines out there that need big bolts and nuts to hold them together. We launched this company with a simple mission; to provide large diameter high quality fasteners with a great customer experience. We stand behind our products with integrity, knowledge and confidence and we stand behind our service with a commitment to you. If for any reason you aren't smiling when dealing with BigBolts.com, let us know.

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