1 1/2-18 J995 GR 5 Heavy Hex Slotted Jam Nut Phos & Oil


  • WEIGHT: 0.6393 lbs.
  • DIAM: 1.5000 (1 1/2)
  • GRADE: GR 5
  • FINISH: Phos & Oil
  • THREAD: 18

$7.18 /pc


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Heavy Hex Slotted Jam Nut

Combining the low-profile specs of the heavy hex jam nut with the convenience of the cotter-pin system found in the heavy hex slotted nut, Big Bolts is your home for heavy hex slotted jam nuts for spindle applications. Lock-in bearings and gears with ease with these fantastic industrial fasteners! Also known as Heavy Thin Slotted Nuts, Heavy Castellated Jam Nuts or Heavy Thin Spindle Nuts, our jam nuts comes in grades 2, 5, 8 & 2H for various strength requirements and are available in the larger diameters you might have difficulty finding in ordinary hardware stores. That’s why we’re here for you! Log-In here to place your order.

- Dimensions per ASME B18.2.2
- Great for transportation, mining, heavy equipment and alternative energy industries and high-vibration, off-road, rotary applications and more
- Material and physical properties per ASTM A194 Grade 2H or SAE J995 for Grades 2 and 5

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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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