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4201 708 8402 STIHL Hexagon Head Screw M1018 Genuine OEM Part

4201 708 8402 STIHL Hexagon Head Screw M1018 Genuine OEM Part

Original price was: $9.00.Current price is: $2.70.

SKU: G553375054 Category:

Description

4201 708 8402 STIHL Hexagon Head Screw M1018 Genuine OEM Part

The STIHL Hexagon Head Screw M1018 (4201 708 8402) is a genuine OEM fastening screw designed for use in guard, cast arm, deflector, and support assemblies across a wide range of STIHL cut-off machines and clearing tools.

This hexagon head screw is used to securely fasten critical structural and protective components such as guards, cast arms, deflectors, and support frames. Proper fastening hardware is essential for maintaining correct alignment, structural integrity, and safe operation during cutting and trimming applications.

Manufactured to STIHL factory specifications, this OEM screw ensures correct thread pitch, length, and strength required for professional-duty service.

Replacing worn, stretched, or damaged screws helps maintain proper torque retention and prevents loosening or component failure.

Product Details

  • OEM Part Number: 4201 708 8402

  • Brand: STIHL (Genuine OEM)

  • Part Type: Hexagon Head Screw

  • Thread Size: M10

  • Length: 18 mm

  • Head Type: Hexagon

  • Application: Guard / cast arm / deflector fastening hardware (model-specific)

  • Condition: New Genuine OEM Part

Function

This OEM hexagon head screw is designed to:

  • Secure guards, cast arms, deflectors, and support components

  • Maintain proper alignment and structural integrity

  • Withstand vibration and heavy-duty operating conditions

  • Replace worn, damaged, or missing fastening hardware

  • Support safe and reliable machine operation

Loose or incorrect fasteners may result in component movement or unsafe operation.

Verify Fitment (Recommended)

Before ordering, confirm:

  • OEM part number 4201 708 8402

  • Screw size M1018 matches your application

  • Application matches your STIHL illustrated parts diagram

Fasteners may vary by model and torque specification always verify fitment by OEM part number.

Compatibility

Fits select STIHL models and configurations, including:

Cut-Off Saws / Guards

  • TSA 230 / TSA 230.1 (Cast arm with guard)

  • TSA 300.0 (Connector, Guard)

  • TSA 350.0 (Cast arm with guard)

  • TSA 500.0-B (Cast arm with guard)

  • TS 350 / TS 350 AVE (Support with guard 38.1995)

  • TS 360 (Support with guard 38.1995)

  • TS 400 (Cutquik cart)

  • TS 410 / TS 410-A (Tightening torques)

  • TS 420 / TS 420-A (Tightening torques)

  • TS 440-A (Deflector)

  • TS 460 (Extras: Cutquik cart)

  • TS 480i-A (Connector, Guard)

  • TS 500i-A (Connector, Guard)

  • TS 510 (Support with guard)

  • TS 700 (Support with guard with water attachment 43.2007)

  • TS 760 (Support with guard)

  • TS 800 (Support with guard with water attachment 14.2014)

Clearing Tools / Deflectors

  • FC 55 / FC 55-D (Deflector, Tools, Extras)

  • FC 56 C-E (Deflector 50.2014)

  • FC 70 / FC 70 C-E (Deflector 50.2014)

  • FC 73 (Deflector, Tools, Extras)

  • FC 75 (Deflector, Tools, Extras)

  • FC 90 (Deflector 50.2014)

  • FC 100 (Deflector FC 100)

  • FCB-KM 4137 (Deflector 50.2014)

Other

  • FW 20 (Frame)

(Exact application depends on configuration verify using OEM parts diagram.)

Installation Notes

  • Remove worn or damaged screw

  • Install hexagon head screw 4201 708 8402 in correct location

  • Tighten to STIHL-specified torque values

  • Inspect surrounding components for wear or damage

Always follow STIHL torque and service specifications.

Maintenance Tips

  • Check fasteners regularly for tightness

  • Replace stretched or corroded screws promptly

  • Use only genuine STIHL OEM fasteners for correct strength and fit

  • Inspect guard and support hardware during routine service

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