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ARP 660-1008 M6 x 1.0 Chromoly Hex Bolt Kit 55mm Black Oxide

Manufacturer

Picture for manufacturer ARP

Part Number

660-1008
13 reviews
Sale Price

$16.45

Estimated ship date Monday, February 01

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Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 660-1008 is a premium quality chromoly metric hex bolt kit designed for universal automotive, marine, and trailer applications. This set features M6 x 1.0 RH thread bolts with a 55mm underhead length, manufactured from heat-treated 8740 chromoly with a black oxide finish.

Key Features:

  • Nominally rated at 180,000 psi tensile strength, providing a substantial extra margin of safety over Grade 8 hardware
  • M6 x 1.0mm thread size with 8mm hex head
  • 55mm underhead length (UHL) with 18mm thread length
  • Heat-treated 8740 chromoly steel construction
  • Corrosion-resistant black oxide finish
  • Washers included in the kit

Each kit contains 5 high-strength bolts with washers, perfect for critical fastening applications where reliability and superior clamping force are essential. ARP's precision manufacturing ensures consistent quality and performance across all fasteners in the kit.

Products specifications

Fastener Finish

Black oxide

Fastener Head Style

Hex

Fastener Material

Chromemoly

Fastener Yield Strength (psi)

170,000 psi

Material

Black Oxide

Quantity

Sold as a set of 5.

Size

M6 x 1.00 x 55

Underhead Length (in)

2.165 in.

Underhead Length (mm)

55mm

Washers Included

Yes

Wrench Diameter

8mm

Wrenching

8mm

Easy experience so far

Products received fast and better prices than everywhere else

What I needed, shipping fees are higher than I expected.

good

Site was easy and price was reasonable.

Thanks

I had a good experience with this website. Quick delivery and a competitive price.

First time customer, ordered a tire, delivered in three days very satisfied.

Good

I just finished a transaction with this company and decided to write my very first post, based upon my experience with them. To be honest, a few short hours ago I was wary of how this would turn out. There had been a miscommunication with shipping and it started to go down hill. Lo and behold, something happened that is rare today. The company, from top to bottom put all of their efforts together, communicated with me even during a Holiday and rectified the situation. Not only would I recommend Autoplicity to others but implore potential customers to use them confidently. Their work ethics and customer service is top notch and I am very grateful for my renewed trust that there is more than just big box, fast food companies out there. Thank you again!!

Love them!!! They send E-Mail conformation when order is placed and tracking number when shiped.

Wow it was shipped so quickly it arrived the next day. Will be ordering again.

amazing company fast and easy shipping. part came in as advertised, cheap too

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