S-91589A849 3/4"-10 x 3 1/2" SAE J429 Plow Bolts

Plow Bolts

0858FA00043 Plow Bolts
0858FA00043 Plow Bolts

Image may differ from product. See technical specification for details.

Part No.
Part No. 0858FA00043
Equivalent to mcmaster :
91589A849

Basic Information

System of Measurement Inch
Plow Bolt Trade Number No. 7
Specifications Met SAE J429

Head Parameters

Head Type Flat
Head Diameter 1.277"
Head Height 0.44"
Flat Head Profile Standard

Neck & Shank Parameters

Neck Type Key Locking

Dimension Parameters

Length 3 1/2"
Screw Diameter 0.75"
Countersink Angle 60°

Thread Parameters

Thread Type UNC
Thread Size 3/4"-10
Threading Partially Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2A
Min Thread Length 1 3/4"

Material & Strength Parameters

Material Steel
Fastener Strength Grade/Class Grade 8
Hardness Rockwell C33
Tensile Strength 150000 psi

Installation & Application Parameters

Key Lock Length 0.39"
Key Lock Width 0.17"

Finish & Compliance Parameters

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional load-bearing capability with 150,000 PSI tensile strength for reliable performance in high-stress applications
  • Superior wear resistance due to Rockwell C33 hardness, ensuring extended service life in abrasive environments
  • Secure anti-rotation locking through the key locking neck design that prevents bolt movement during operation
  • Optimized installation efficiency with UNC coarse threading that enables faster assembly and reduced cross-threading risks
  • Precise flush mounting achieved through the standard flat head profile and 60° countersink angle
  • Grade 8 reliability meeting SAE J429 specifications for consistent quality in demanding industrial and agricultural applications
  • Environmental compliance assurance with RoHS 3 and REACH regulations for safe usage across regulated markets

Professional Applications & Engineering Value

Engineered for heavy-duty agricultural and industrial equipment, this Grade 8 plow bolt addresses critical challenges in high-vibration environments. The key locking neck mechanically secures the bolt against rotation, eliminating loosening in snow plows, tillage equipment, and construction machinery. Its partially threaded design concentrates strength where needed while the UNC coarse threads provide superior grip in tough materials. The 150,000 PSI tensile strength and Rockwell C33 hardness ensure durability against impact loads and abrasive wear, making it ideal for replacement parts in demanding applications where failure is not an option.

Specification Summary & Compliance

This 3/4"-10 plow bolt features Class 2A thread fit for precise assembly tolerance and UNC coarse threading per standard specifications. Manufacturing complies with SAE J429 standards for Grade 8 fasteners, ensuring consistent mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, confirming its suitability for regulated industrial markets.

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