5/8"-18 x 8" Hex Cap Screws / Grade 8 / Zinc Yellow
- Steel
- Grade 8
- Zinc Yellow
- 18 TPI · Fine
- ASME B18.2.1
$120.66
$24.13 / pc
Package of 5
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Product Description
5/8"-18 x 8" Hex Cap Screws / 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.
$120.66
$24.13/pc
Hex Cap Screws / Grade 8 / Zinc Yellow
Family: CH8OF
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Technical Specifications
Thread Size
5/8"-18
Length
8"
Thread Type
Fine
Material
Steel
Grade
Grade 8
Finish
Zinc Yellow
Drive
External Hex
Head Style
Hex Head
Standard
ASME B18.2.1
Thread Pitch
18 TPI
Thread Class
Fine
Tensile Strength
150 ksi (1034 MPa)
Hardness
C33 - C39
Measurement System
Inch
SKU
63128CH8O-5