5/16-18 Finished Hex Nuts / Grade 8 / Zinc Yellow
SKU: 31NF8-300 In Stock

5/16"-18 Finished Hex Nuts / Grade 8 / Zinc Yellow

  • Steel
  • Grade 8
  • Zinc Yellow
  • 18 TPI · Coarse
  • ASME B18.2.2
$68.06 $0.227 / pc Package of 300
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Product Description

5/16"-18 Finished Hex Nuts / Grade 8 / Zinc Yellow

Frequently Asked Questions

What is the difference between Grade 5 and Grade 8?
Grade 5 (medium carbon steel, 120 ksi tensile strength) is suitable for most industrial applications. Grade 8 (alloy steel, 150 ksi tensile strength) is used for high-strength applications like automotive suspension and machinery. Grade 5 hex heads have 3 radial lines; Grade 8 has 6 radial lines.

Finished Hex Nuts / Grade 8 / Zinc Yellow

Family: NF8C

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Technical Specifications

Thread Size
5/16"-18
Thread Type
Coarse
Material
Steel
Grade
Grade 8
Finish
Zinc Yellow
Standard
ASME B18.2.2
Country of Origin
Import
Thread Pitch
18 TPI
Thread Class
Coarse
Thickness
17/64"
Tensile Strength
150 ksi (1034 MPa)
Hardness
C33 - C39
RoHS Compliance
On Request
Measurement System
Inch
SKU
31NF8-300