1 1/4"-8 x 4 1/4" Heavy Hex Bolts / Alloy Steel
- Steel
- B7
- Plain
- 8 TPI
- ASME B18.2.1
$285.27
$14.26 / pc
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Product Description
1 1/4"-8 x 4 1/4" Heavy Hex Bolts / Alloy Steel
Frequently Asked Questions
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.
$285.27
$14.26/pc
Heavy Hex Bolt, Full Thread / B7 Steel / Plain
Family: 505
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1 1/4"-8 x 4 1/4" Heavy Hex Bolts / Alloy Steel
SKU: 505413-20
Technical Specifications
Thread Size
1 1/4"-8
Thread Series
8-UN
Thread Pitch
8 TPI
Thread Coverage
Partial Thread
Length
4 1/4"
Material
Steel
Grade
B7
Finish
Plain
Drive
External Hex
Head Style
Heavy Hex Head
Standard
ASME B18.2.1
Tensile Strength
125000
Hardness
C26 - C36
Measurement System
Inch
SKU
505413-20
https://www.ecomfasteners.com/products/1-1-4-8-x-4-1-4-heavy-hex-bolt-b7-steel-partial-thread · Printed