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ARP 645-5000 Stainless Steel Bolt - 12-Point Kit 5-Pack

Manufacturer

Picture for manufacturer ARP

Part Number

645-5000
13 reviews
Sale Price

$27.51

Estimated ship date Tuesday, November 17

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No Hassle Returns

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 645-5000 is a premium 5-piece fastener kit featuring high-quality 12-point bolts designed for automotive, marine, and trailer applications. These versatile fasteners deliver professional-grade reliability for a wide range of installation needs.

Premium Materials and Construction:

  • Available in ARP 300 stainless steel or heat-treated 8740 chrome moly steel
  • Rated at 180,000 psi tensile strength for superior clamping force
  • Significantly exceeds Grade 8 hardware specifications
  • Chrome moly versions feature durable black oxide finish
  • Stainless steel versions are highly polished for corrosion resistance

Key Features:

  • 12-point head design for precise wrench engagement
  • Includes matching washers for complete installation
  • Available in sizes from 1/4" to 1/2" (or M6 to M12 metric)
  • Length options ranging from 1/2" to 6"
  • Rust-resistant and virtually maintenance-free

ARP fasteners are engineered for applications demanding exceptional strength and reliability. The stainless steel construction provides outstanding corrosion resistance while maintaining the professional appearance that ARP is known for. Matching nuts are available separately for complete fastener solutions.

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 5

Thread Size

7/16-14 in.

Underhead Length (in)

5.000 in.

Underhead Length (mm)

127mm

Washers Included

Yes

Wrench Diameter

1/2 in.

Wrenching

1/2

Great

Everything was good to go.

Wonderful and fast

It was the wrong part

Fast, pleasant experience.

Quick easy transaction. No issues at all.

They had an item that was somewhat hard to find at a reasonable price. Glad I found them.

good

The best prices and fast shipping!

looking for a oil seal to rob the spring out of for a starter clutch on my bike

Absolutely the best bargain you'll find! Don't pay retail mark up at the parts store, buy at Autoplicity and know you're saving money.<br>.

great service, even better price! Would recommend Autoplicity to anyone.

Easy website to shop on. Good phone support. Package will be arriving in a timely manner. All in all seems like a good company.

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