STIHL Pan Head Self-Tapping Screw IS-D4x12 for MS 241 C & MS 181 - 9075 478 3012

The STIHL Pan Head Self-Tapping Screw IS-D4x12 is a genuine OEM fastener designed for dependable fixing across compatible STIHL outdoor power equipment and construction tools. Made from durable steel with a protective finish, this 4mm x 12mm screw provides a strong, repeatable hold in suitable plastics, light alloys and sheet metal used on machines such as the STIHL MS 241 C and MS 181.

Built to STIHL original equipment standards, this self-tapping screw forms its own mating thread during installation, helping speed up servicing and part replacement where the correct D4 x 12mm fastener is specified. The pan head provides a broad bearing surface for tidy seating against covers, guards and housings, making it ideal for workshop technicians, arborists, landscapers and domestic users carrying out quick repairs, planned maintenance and machine rebuilds.

Key Features

• Genuine STIHL OEM pan head self-tapping screw for assured fit and reliability
• Manufacturer Part Number: 9075 478 3012
• IS-D4x12 size: 4mm x 12mm approx. 0.16 in x 0.47 in
• Self-tapping thread forms its own mating thread in suitable materials
• Pan head design spreads load and seats neatly against covers and housings
• Durable steel construction with protective finish for wear and corrosion resistance
• Helps reduce pull-through or surface damage when correctly tightened
• Suitable for vibration-prone assemblies when fitted to the correct torque
• Useful for securing shrouds, covers, guards, brackets and module mounts
• Ideal for routine servicing, repairs and replacement of missing or damaged fixings

Typical Applications

This STIHL IS-D4x12 self-tapping screw is used during servicing, repair and reassembly of compatible STIHL machines. Typical applications include securing shrouds, air filter covers, fan housings, handle assemblies, guards, light brackets, module mounts and other small housings where a D4 x 12mm pan head self-tapping fastener is specified.

Technical Specification

Fits Models

• STIHL FH-KM 145, FH-KM 145 deg, FH-KM145, FHKM145
• STIHL HL 91 K, HL 91 KC, HL 92 C, HL 92 KC, HL 94, HL 94 C, HL 94 K, HL 94 KC
• STIHL HL-KM 0-145, HL-KM0-145
• STIHL HL91K, HL91KC, HL92C, HL92KC, HL94, HL94C, HL94K, HL94KC
• STIHL HLA 135, HLA 135 K, HLA135, HLA135K
• STIHL MS 150 C, MS 150 T C, MS 151 C, MS 151 TC
• STIHL MS 170, MS 170 C, MS 171, MS 180, MS 180 C, MS 181, MS 181 C
• STIHL MS 193 C, MS 193 T, MS 193 TC, MS 194 T, MS 194 TC
• STIHL MS 211, MS 211 C, MS 231, MS 231 C, MS 241 C, MS 251, MS 251 C
• STIHL MS 382
• STIHL MS150C, MS150T C, MS150TC, MS151C, MS151TC
• STIHL MS170, MS170C, MS171, MS171C, MS180, MS180C, MS181, MS181C
• STIHL MS193C, MS193T, MS193TC, MS194T, MS194TC
• STIHL MS211, MS211C, MS231, MS231C, MS241C, MS251, MS251C, MS382
• STIHL SP 451, SP 481, SP451, SP481
• STIHL TS 440, TS440

Also Known As

• STIHL self-tapping screw
• STIHL self-threading screw
• STIHL tapping screw
• STIHL sheet-metal screw
• STIHL pan head tapping screw
• STIHL D4x12 screw
• STIHL 4 x 12mm self-tapper
• STIHL machine fixing
• STIHL MS 241 C screw
• STIHL MS 181 fastener

Why Choose Genuine STIHL Fasteners?

Small fasteners are critical to how securely covers, guards and housings stay fixed on machinery exposed to vibration, servicing and outdoor use. Choosing a genuine STIHL IS-D4x12 self-tapping screw helps ensure the correct thread form, length and pan head profile for the intended fixing point, reducing the risk of damaged housings, poor clamping or unreliable fitment from an unsuitable generic screw.

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FAQs

Is this a genuine STIHL self-tapping screw?

Yes, this is a genuine STIHL OEM pan head self-tapping screw manufactured to original equipment standards.

What is the part number for this STIHL screw?

The manufacturer part number is 9075 478 3012. It may also be listed as 9075-478-3012 or 90754783012.

What size is this STIHL screw?

This screw is IS-D4x12, which is 4mm x 12mm, approximately 0.16 inches x 0.47 inches.

Which STIHL machines does this screw fit?

This screw fits selected STIHL machines including MS 241 C, MS 181, MS 170, MS 211, MS 251, HLA 135, HL 94 and TS 440 models.

When should this screw be replaced?

Replace the screw if it is missing, rounded, stripped, corroded, damaged or no longer secures the cover, guard, housing or mounting point correctly.

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