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Dorman 461-440 Hex Head Cap Screw Class 10.9 M8-1.0 x 40mm Metric Bolt

Part of: Dorman Hex Head Cap Screw Metric Bolt

Other options in this family: Dorman 875-695 Dorman 460-870 Dorman 799060 Dorman 981551 Dorman 780450N

Manufacturer

Picture for manufacturer Dorman

Part Number

461-440
12 reviews
Sale Price

$12.35

In Stock (5)

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Product Details

The Dorman 461-440 is a Class 10.9 metric hex head cap screw with an M8-1.0 thread size and 40mm length. Engineered for high-strength fastening applications, Class 10.9 represents one of the highest grades available for metric bolts, offering superior tensile strength compared to standard Class 8.8 hardware.

Key Specifications:

  • Thread Size: M8 x 1.0mm pitch (fine thread)
  • Length: 40mm
  • Strength Class: 10.9 (minimum tensile strength of 1040 MPa)
  • Head Style: Hex head (6-point) for standard wrench or socket installation
  • Material: Alloy steel with corrosion-resistant finish

About Class 10.9: Class 10.9 metric fasteners are manufactured from alloy steel and heat-treated for maximum load-bearing performance. The designation indicates a minimum proof load strength of 940 MPa and tensile strength of 1040 MPa, making them suitable for demanding automotive, mechanical, and industrial assemblies.

Dorman bolts are manufactured using durable materials and corrosion-tested to ensure required strength and longevity, and are backed by Dorman's ASE Blue Seal Certified technical support team.

Products specifications

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

Package Contents

15 Cap Screws

Thread Diameter

8

Callout Size

10.9

Thread Size

M8-1.0

Heat Hardened

Yes

Thread Length

22

Washer Attached

No

Type

HEX

Finish

Black Zinc

Thread Type

Fine

Thread Pitch

1

Color

Black

Material

Steel

Head Drive Type

Hex

SAE or Metric

Metric

Thread Diameter

8 mm

Thread Pitch

1 mm

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