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ARP 643-3000 Stainless Steel Bolt - 12-Point Kit 5-Pack

Manufacturer

Picture for manufacturer ARP

Part Number

643-3000
14 reviews
Sale Price

$21.40

Estimated ship date Wednesday, November 18

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 643-3000 is a premium 5-piece bolt kit featuring high-quality stainless steel or chrome moly fasteners designed for automotive, marine, and trailer applications. These professional-grade fasteners provide superior strength and reliability for a wide range of installation needs.

Key Features:

  • 12-point head design for improved grip and reduced rounding
  • Constructed from specially alloyed ARP 300 stainless steel or heat-treated 8740 chrome moly
  • Nominally rated at 180,000 psi tensile strength, exceeding Grade 8 hardware specifications
  • Chrome moly bolts feature black oxide finish for corrosion protection
  • Stainless steel fasteners are specially polished for attractive appearance
  • Rust-resistant and maintenance-free design
  • Includes washers with each bolt
  • 5 bolts per package

ARP fasteners are engineered to deliver exceptional clamping force and durability in demanding applications. The stainless steel option provides outstanding corrosion resistance while maintaining the strength needed for critical fastening applications. Whether you're working on engine components, differential assemblies, or general mechanical installations, these premium fasteners offer the quality and reliability that professionals demand.

Products specifications

Fastener Finish

Black oxide

Fastener Head Style

12-Point

Fastener Material

Chromemoly

Fastener Yield Strength (psi)

170,000 psi

Material

Black Oxide

Quantity

Sold as a set of 5.

Size

7/16-14 x 3

Thread Size

7/16-14 in.

Underhead Length (in)

3.000 in.

Washers Included

Yes

Wrench Diameter

7/16 in.

Wrenching

7/16

Exactly as described.

hi

easy

Good

Shipped out very fast, received it same week I ordered it

Easy Site to use.

What I found from Autoplicity, was the best price for the exact product I was looking for. Online ordering went smoothy with immediate company feedback and delivery was as fast as could be expected.

Same day shipping....is there anything better? Good job guys!

Some item descriptions are incomplete making the shopping experience a bit confusing. Otherwise, there’s a lot of options, and check out is quick and simple.

Everything arrived well packaged and in good order... It was shipped promptly, but hey, no accounting for the snow storm in the NW... I think UPS calls it an "act of God"... Thanks

Ordered Monday, delivered Thursday - just as promised. Best price among all reputable on-line parts dealers. Saved at least a third off the most popular dealers.

Great selection and fast shipping. Not to meantion the lowest prices anywhere on the net.

Customer Care took care of my return and refunded the shipping after there was some order confusion. Thank you for taking care of everything!

Had exactly what I wanted. Shopping cart did not have an update button for new quantity

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