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Description
WB01 951 3588 Hex Head Capscrew | STIHL 7/16"-14 x 1" Grade 5
The STIHL WB01 951 3588 Capscrew is a genuine OEM 7/16"-14 x 1.000" Grade 5 hex-head screw used on compatible STIHL RZ zero-turn mower applications. Its durable steel construction and zinc/clear protective finish make it suitable for demanding mower hardware and mechanical fastening applications.
Part Number: WB01 951 3588
Features That Make a Difference
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Genuine STIHL OEM mower hardware
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Part Number: WB01 951 3588
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OEM Description: CAPSCREW-HEX HD 7/16-14X1.000 G5 ZC/CL
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Thread Size: 7/16"-14
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Length: 1.000"
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Grade 5 strength rating
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Hex-head design
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Zinc/Clear protective finish
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Used on compatible STIHL RZ mower applications
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Designed for proper OEM fit and fastening
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Ideal for replacing a damaged, corroded, bent, or missing fastener
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Sold individually
Specifications
| Specification | Details |
|---|---|
| Part Number | WB01 951 3588 |
| Product Type | Hex Head Capscrew |
| Brand | STIHL |
| Thread Diameter | 7/16" |
| Thread Pitch | 14 TPI |
| Thread Size | 7/16"-14 |
| Length | 1.000" |
| Grade | Grade 5 |
| Head Style | Hex Head |
| Finish | Zinc / Clear |
| Application | Select STIHL RZ Mowers |
| Replacement Type | Genuine STIHL OEM Hardware |
| Quantity | 1 |
Heavy-Duty Grade 5 Construction
The WB01 951 3588 STIHL Capscrew uses a Grade 5 strength specification designed for mechanical fastening applications where dependable clamping force is required.
Grade 5 hardware provides greater strength than standard low-grade fasteners and is commonly used in mower assemblies exposed to:
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Vibration
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Repeated movement
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Mechanical load
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Outdoor operating conditions
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Commercial mowing environments
Using the correct bolt grade is important when replacing original mower hardware.
7/16"-14 x 1.000" Size
The exact dimensions of this STIHL capscrew are:
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Diameter: 7/16"
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Thread: 14 threads per inch
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Length: 1.000"
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Thread Type: UNC / Coarse
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Grade: 5
Even if another bolt appears similar, thread size, length, grade, and finish should all be verified before substitution.
Zinc/Clear Protective Finish
The ZC/CL zinc-clear finish helps provide additional protection to the steel fastener against normal corrosion and environmental exposure.
Outdoor power equipment is frequently exposed to:
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Moisture
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Grass clippings
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Dirt
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Fertilizer residue
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Humidity
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Routine washing
Using correctly finished OEM hardware helps maintain the original equipment configuration.
Designed for STIHL RZ Mowers
STIHL catalogs WB01 951 3588 as an RZ spare part for compatible STIHL zero-turn mower equipment.
The exact installation location can vary depending on mower model and assembly.
Because STIHL RZ models may use many similar-looking bolts with different lengths, thread sizes, or grades, verify your mower model, serial number, and illustrated parts diagram before ordering.
Ideal for Mower Repair & Maintenance
The WB01 951 3588 capscrew is a practical replacement when the original bolt has become:
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Missing
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Bent
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Corroded
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Damaged
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Stripped
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Cross-threaded
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Worn at the hex head
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Damaged during disassembly
Replacing damaged hardware with the correct OEM fastener helps maintain proper assembly alignment and clamping force.
Installation & Maintenance
Before installing the capscrew:
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Park the mower on a flat and stable surface.
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Turn off the engine and remove the ignition key.
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Allow all moving components to stop completely.
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Locate the assembly requiring the replacement bolt.
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Remove the existing damaged hardware.
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Inspect the threaded hole or nut for damage.
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Confirm the required fastener is 7/16"-14 x 1.000" Grade 5.
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Install the STIHL WB01 951 3588 Capscrew in the correct position.
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Tighten according to the applicable STIHL torque specification.
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Verify that the associated components are secure before operating the mower.
Do not substitute a lower-strength fastener in an application requiring Grade 5 hardware. Always follow the applicable STIHL service procedure and torque specification.
Important Product Information
Part Number: WB01 951 3588
Product: Hex Head Capscrew
Brand: STIHL
OEM Description: CAPSCREW-HEX HD 7/16-14X1.000 G5 ZC/CL
Thread Size: 7/16"-14
Length: 1.000"
Grade: Grade 5
Finish: Zinc / Clear
Application: Select STIHL RZ Zero-Turn Mowers
Quantity: 1
The Genuine STIHL WB01 951 3588 7/16"-14 x 1" Grade 5 Hex Head Capscrew provides the correct OEM hardware specification for compatible STIHL RZ mower applications.
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment provides genuine OEM and quality replacement parts and hardware for commercial lawn and outdoor power equipment.
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Genuine STIHL OEM parts
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STIHL RZ zero-turn mower parts
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Commercial mower hardware
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Bolts, screws, fasteners, and deck components
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Competitive Pricing
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Fast Shipping
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Expert Customer Support
Complete your STIHL mower repair with the Genuine STIHL WB01 951 3588 7/16"-14 x 1.000" Grade 5 Hex Head Capscrew.
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