2"-4 1/2 x 11" Hex Cap Screw, Partial Thread / Grade 8 Alloy Steel / Plain / SAE J429 Grade 8; ASME B18.2.1
- Steel
- Grade 8
- Plain
- 4 1/2 TPI · Coarse
- ASME B18.2.1
$288.03
$288.03 / pc
Package of 1
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Product Description
2"-4 1/2 x 11" Hex Cap Screw, Partial Thread / Grade 8 Alloy Steel / Plain / SAE J429 Grade 8; ASME B18.2.1
RoHS Compliant
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.
What is the difference between partial thread and full thread?
Partial thread (also called shoulder bolt or tap bolt) has an unthreaded shank for shear strength. Full thread (fully threaded cap screw) provides more clamping engagement. Standard cap screws above 6 inches long are typically partial thread.
$288.03
$288.03/pc
Hex Cap Screw, Full Thread / Grade 8 Alloy Steel / Plain
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Technical Specifications
Thread Size
2"-4.5
Length
11"
Thread Type
Coarse
Material
Steel
Grade
Grade 8
Finish
Plain
Drive
External Hex
Head Style
Hex Head
Standard
ASME B18.2.1
Thread Pitch
4 1/2 TPI
Thread Class
Coarse
Tensile Strength
150000
Hardness
C33 - C39
RoHS Compliance
RoHS Compliant
Measurement System
Inch
SKU
451881-1