1/2"-13 Serrated Hex Flange Locknuts / Grade 8 / Black Phos / Phosphate
- Steel
- Grade 8
- Phosphate
- 13 TPI · Coarse
- ASME B18.2.2
$86.55
$3.46 / pc
Package of 25
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Product Description
1/2"-13 Serrated Hex Flange Locknuts / Grade 8 / Black Phos / Phosphate
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.
$86.55
$3.46/pc
Serrated Hex Flange Locknuts / Grade 8 / Black Phos
Family: NR8BK
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1/2"-13 Serrated Hex Flange Locknuts / Grade 8 / Black Phos / Phosphate
SKU: 50NR8B-25
Technical Specifications
Thread Size
1/2"-13
Thread Series
UNC
Thread Pitch
13 TPI
Material
Steel
Grade
Grade 8
Finish
Phosphate
Standard
ASME B18.2.2
Country of Origin
Import
Thickness (in)
0.438
Tensile Strength
150 ksi (1034 MPa)
Hardness
C33 - C39
Nut Type
Flange Lock
Measurement System
Inch
Width Across Flats
3/4"
SKU
50NR8B-25
https://www.ecomfasteners.com/products/1-2-13-serrated-hex-flange-locknuts-grade-8-black-phos · Printed