The Genie 1255538GT Hex Head Cap Screw, M8-1.25X30 is a genuine OEM fastener built for Genie S, SX, and Z series boom lifts. Manufactured to DIN933 standards at property class 10.9 with a zinc-aluminum-based (ZAB) coating, this screw meets the exact mechanical and corrosion-resistance requirements specified by Genie for these machines. Compatible models include the SX-150, SX-180, SX-135 XC, S-80 XC, S-85 XC, S-85 XC FE, S-85 XC E, ZX-135/70, Z-80/60, and a broad range of S and SX series booms — cross-reference part number 1255538GT against your machine's parts manual to confirm the correct application for your unit.
Key Features
- Grade 10.9 High-Strength Construction — Property class 10.9 rating delivers the tensile strength required for structural and mechanical fastening points on large boom lift assemblies.
- DIN933 Full-Thread Standard — Conforms to DIN933 geometry, ensuring correct thread engagement and wrench-flat dimensions for a properly torqued installation every time.
- ZAB Corrosion-Resistant Coating — Zinc-aluminum-based coating protects the fastener against rust and surface degradation in the outdoor, all-weather conditions these booms operate in.
- Direct OEM Replacement — A genuine Genie part that installs directly in place of the original fastener with no modification, preserving the integrity of the connection point it secures.
- Broad S, SX, and Z Series Coverage — Fits a wide range of Genie telescopic and articulating boom lifts, including XC, HF, TRAX, FE, and E variants across the S and SX families, plus ZX-135/70 and Z-80/60 articulating booms.
A Hex Head Cap Screw is a fully threaded fastener used to clamp, secure, or join structural and mechanical components on a machine. The M8-1.25X30 designation specifies the thread diameter, pitch, and grip length, while the DIN933 standard governs its geometry so it seats correctly in the intended bore and mates precisely with the specified nut or threaded hole. At property class 10.9, the screw is engineered to withstand high clamping loads without stretching or shearing — characteristics that matter on large boom lifts where fastener failure at a critical joint can compromise the structural assembly it holds together. Replacing a worn, stripped, or corroded screw with the correct genuine OEM part restores the clamping force and dimensional fit the original design requires.
Part Details
| Part Number | 1255538GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Hex Head Cap Screw, M8-1.25X30, DIN933, 10.9, ZAB |
Compatibility & Fitment
| Name | Model |
|---|---|
| SX-150 | SX-150 |
| SX-180 | SX-180 |
| SX-135 XC | SX-135 XC |
| S-80 XC | S-80 XC |
| S-85 XC | S-85 XC |
| S-80 HF | S-80 HF |
| S-85 HF | S-85 HF |
| SX-105 XC | SX-105 XC |
| SX-125 XC | SX-125 XC |
| S-40 XC | S-40 XC |
| S-45 XC | S-45 XC |
| S-40 TRAX | S-40 TRAX |
| S-45 TRAX | S-45 TRAX |
| S-40 HF | S-40 HF |
| S-45 HF | S-45 HF |
| S-60 J | S-60 J |
| S-85 XC FE | S-85 XC FE |
| S-85 XC E | S-85 XC E |
| ZX-135/70 | ZX-135/70 |
| Z-80/60 | Z-80/60 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
