×
Description
S04003-04 – SCAG 5/16"-18 x 1" Carriage Bolt (Round Head, Square Neck) (Genuine OEM Part)
The SCAG S04003-04 is a genuine OEM 5/16"-18 x 1-inch Carriage Bolt (Round Head, Square Neck) designed to securely fasten structural components on SCAG commercial lawn equipment. The smooth round head provides a clean, low-profile appearance, while the square neck locks into the mounting surface to prevent the bolt from turning during installation, making assembly faster and more secure.
Manufactured from high-strength steel to SCAG's exact OEM specifications, the S04003-04 Carriage Bolt delivers dependable clamping force, excellent corrosion resistance, and long service life. It is commonly used on mower decks, guards, brackets, grass catcher components, and other assemblies exposed to constant vibration and demanding commercial operating conditions.
Product Details
-
Manufacturer Part Number: S04003-04
-
Brand: SCAG
-
Part Type: Carriage Bolt (Round Head Square Neck)
-
Thread Size: 5/16"-18 UNC
-
Length: 1 Inch
-
Head Style: Round Head
-
Neck Type: Square Neck
-
Material: High-Strength Steel
-
Finish: Corrosion-Resistant Zinc Plating
-
OEM Status: Genuine SCAG OEM Part
-
Installation: Direct OEM Replacement
Key Features
-
Genuine SCAG OEM carriage bolt
-
Square neck prevents bolt rotation during tightening
-
Smooth round head provides a clean finished appearance
-
Heavy-duty high-strength steel construction
-
Zinc-plated for superior corrosion resistance
-
Designed for demanding commercial mower applications
-
Direct replacement with factory fit and performance
Function
The SCAG S04003-04 Carriage Bolt securely fastens mower deck components, guards, brackets, grass catcher assemblies, and structural hardware. Its square neck locks into the mounting hole to eliminate spinning during installation while providing consistent clamping force for reliable long-term performance.
Who Is This For?
-
Commercial landscapers
-
Professional lawn maintenance contractors
-
SCAG mower owners
-
Equipment repair technicians
-
Fleet maintenance professionals
Recommended Property Size
Ideal for residential properties, large estates, commercial landscaping companies, municipalities, golf courses, sports fields, and professional turf maintenance operations using compatible SCAG equipment.
Pros
-
Genuine SCAG OEM quality
-
Heavy-duty high-strength steel construction
-
Square neck prevents rotation during installation
-
Corrosion-resistant zinc-plated finish
-
Factory-correct fit and dimensions
-
Long-lasting performance in commercial applications
Cons
-
Designed specifically for compatible SCAG equipment
-
Requires matching 5/16"-18 nut and washer for proper installation
Comparison – Genuine SCAG OEM vs Aftermarket
SCAG S04003-04 OEM
-
Exact OEM dimensions and thread specifications
-
Precision square neck for secure installation
-
Commercial-grade steel construction
-
Superior corrosion resistance
-
Reliable long-term fastening performance
Aftermarket Alternatives
-
Thread and neck tolerances may vary
-
Lower-quality materials may reduce durability
-
Less precise fitment
-
Reduced corrosion protection and shorter service life
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine SCAG OEM replacement parts trusted by professional landscapers and equipment owners.
-
Genuine SCAG OEM parts
-
Authorized SCAG dealer
-
Fast nationwide shipping
-
Competitive pricing
-
Expert parts support
-
Extensive OEM replacement parts inventory
