The Genie 1251899GT is a genuine OEM Hex Flange Head Screw, M14-2.0 x 40, DIN 6921, Grade 10.9 with ZAB finish, built for Genie S and SX telescopic boom lifts and Z and ZX articulating boom lifts. As a direct OEM replacement, this screw is manufactured to the same dimensional and grade standards as the original hardware, ensuring the correct torque retention and clamping load the application demands. It fits an extensive range of boom lift models across the S, SX, Z, and ZX families — cross-reference part number 1251899GT against your machine's parts manual to confirm it is the correct fastener for your specific unit before ordering.
Key Features
- Grade 10.9 High-Strength Fastener — Manufactured to Grade 10.9 per DIN 6921, delivering the tensile strength and proof load the original design specifies — not a generic hardware substitute.
- Integrated Flange for Load Distribution — The hex flange head spreads clamping load across a wider bearing surface, eliminating the need for a separate washer and maintaining consistent joint integrity.
- ZAB Finish for Corrosion Resistance — The zinc-aluminum-based ZAB coating provides corrosion protection suited to the outdoor, all-weather working environments these boom lifts operate in.
- Broad Boom Lift Compatibility — Fits a wide range of Genie S, SX, Z, and ZX series boom lifts, including XC, TRAX, HF, HD, and HC variants. Always verify fitment against your parts manual using part number 1251899GT.
- Genuine OEM Part — Sourced directly from Genie, this screw meets the exact thread pitch (M14-2.0), length (40 mm), and head geometry specified for the original application — no substitution guesswork required.
A hex flange head screw combines a standard hex-drive head with an integrated circular flange that acts as a built-in washer. This design distributes clamping force evenly across the joint face, reducing the risk of surface damage and preventing fastener loosening under vibration — a critical property on mobile aerial work equipment that experiences constant movement and dynamic loading. When a fastener of this type wears, corrodes, or is replaced with an incorrect grade or thread specification, joint integrity is compromised and the connection may work loose in service. Using the correct OEM-specified fastener ensures the joint performs as the original engineers intended.
Part Details
| Part Number | 1251899GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Hex Flange Head Screw, M14-2.0 x 40, DIN 6921, 10.9, ZAB |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-80X | S-80X |
| S-80 | S-80 |
| S-85 | S-85 |
| S-100HD | S-100HD |
| S-120HD | S-120HD |
| S-60 | S-60 |
| S-65 | S-65 |
| S-60X | S-60X |
| S-60 XC | S-60 XC |
| S-60 HC | S-60 HC |
| S-60 TRAX | S-60 TRAX |
| S-65 TRAX | S-65 TRAX |
| SX-150 | SX-150 |
| S-65 XC | S-65 XC |
| S-60 HF | S-60 HF |
| S-65 HF | S-65 HF |
| 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-120 | S-120 |
| S-125 | S-125 |
| S-100 | S-100 |
| S-105 | S-105 |
| Z-62/40 | Z-62/40 |
| Z-45/25 | Z-45/25 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| ZX-135/70 | ZX-135/70 |
| Z-80/60 | Z-80/60 |
| Z-45 XC | Z-45 XC |
| Z-51/30J | Z-51/30J |
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.
