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Dorman 860-412 Grade 8 Hex Head Cap Screw 1/2-13 x 1-1/4 In. Zinc Plated Steel

Manufacturer

Picture for manufacturer Dorman

Part Number

860412
10 reviews
Sale Price

$9.01

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Dorman 860-412 is a Grade 8 hex head cap screw designed for high-strength fastening applications in automotive, equipment, and general mechanical use. Manufactured from alloy steel with a zinc plating finish for corrosion resistance, this bolt meets Grade 8 specifications — the highest commonly available SAE grade for inch-series fasteners — making it suitable for critical, high-load connections.

Key Specifications:

  • Thread Size: 1/2 in.-13 (1/2-inch diameter, 13 threads per inch, UNC coarse thread)
  • Length: 1.250 in. (1-1/4 in.) under head
  • Head Style: Hex head (requires standard 3/4 in. wrench or socket)
  • Grade: SAE Grade 8 — alloy steel, heat-treated for high tensile strength
  • Finish: Zinc plated for corrosion protection
  • Material: Steel

Grade 8 Performance: SAE Grade 8 fasteners offer a minimum tensile strength of 150,000 PSI and a proof load of 120,000 PSI, making them the ideal choice for demanding structural and mechanical applications where fastener failure is not an option.

Dorman's Autograde line provides a trusted, quality-controlled source for replacement and repair hardware. Each screw in this set is manufactured to consistent dimensional tolerances, ensuring proper fit and reliable torque retention.

Products specifications

Fastener Finish

Zinc plated

Fastener Head Style

Hex

Fastener Material

Steel

Feature - Benefit 1

Available in many head styles including round, flat, pan, oval, truss, and hex

Feature - Benefit 2

Slotted, Phillips, Hex, Square, and a multitude of other varieties available

Feature - Benefit 3

All our screws are constructed of high-quality metal

Feature - Benefit 4

A protective finish such as zinc plating or black oxide is often provided

Quantity

Sold as a set of 7.

Thread Size

1/2-13 in.

Underhead Length (in)

1.250 in.

Washers Included

No

Wrench Diameter

3/4 in.

Thread Size

1/2-13

Threads per Inch

13

Thread Type

Coarse

Washer Attached

No

Thread Diameter

0.5

Heat Hardened

Yes

Head Drive Type

Hex

Type

HEX

Thread Length

1-1/4 in

Color

Gold

SAE or Metric

SAE

Material

Steel

Finish

Yellow Zinc

Package Contents

7 Cap Screws

Callout Size

1/2-13 X 1-1/4

Thread Diameter

1/2 in

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