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Your cart is empty.3/8-16 Hex Head Cap Screw, Grade 8 hardened bolt. Pack of 25. USS Coarse thread. Very good strength. Great for heavy machinery and automotive applications. Where high strength is a must!
Francois Berard
Reviewed in Canada on August 11, 2024
bien
Customer
Reviewed in the United States on June 14, 2023
Will buy again
Oscar C.
Reviewed in the United States on October 25, 2023
No sense using Grade 8 bolts without the proper nuts. Nylon inserts keep severe vibration from loosening
Daniel W
Reviewed in the United States on July 26, 2022
Bolts arrived well packaged in a bubble package. Bolts were in a heavy sealed bag inside the mailer. All bolts were well form, marked for grade 8. Price was excellent for the quality. Delivery was quick and no trip to the store...saves time and gas money. I recommend buying in bulk from this supplier.
R.S.M.D.
Reviewed in the United States on May 21, 2020
If you’re not using grade 8 washers in those applications of high vibrational stress, you get a suboptimal solution where the washer fails and the grade 8 bolt loosens enough you’ll find the lowest grade metal wears excessively. Use as part of a grade 8 solid fastener solution- indeed “hard to find” but essential nonetheless.
lindab
Reviewed in the United States on March 2, 2020
The hex nuts and bolts were delivered before the estimated arrival time and worked perfectly for our project.
ANOMIC
Reviewed in the United States on February 25, 2020
Very good quality / yellow zinc was very bright. Fast shipping and good packaging. These guys are great source for hardware.
Caleb Ellis
Reviewed in the United States on January 25, 2020
I purchased these bolts for restoration project on a Jeep CJ5 I've been having trouble finding the certain size of bolt and the grade that I needed at my local hardware stores normally I wouldn't purchase items like this online because I like to see the quality myself but I am very pleased with the product I purchased here the items were a perfect fit or clean they came sealed in an individual bag and also in a sturdy little box with a label that clearly says the size thread count and grade so as a satisfied customer I will be shopping with this distributor again and I would suggest their products
randall k.
Reviewed in the United States on February 13, 2019
hex head bolts were great quality but what I am very pleased with is the fact that the bolts were in a sealed plastic bag INSIDE a good quality cardboard box ( in other words the bolts were not loose and banging around inside the shipping box )
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