The Bomag 700280782 Key Block is a genuine OEM component designed for BM1300/30 and BM1200/30 cold milling machines. Sourced directly from Bomag, this key block delivers an exact fit with no guesswork, keeping your milling machine operating to the specifications it was built for. This component is confirmed compatible with both the BM1300/30 and BM1200/30 cold milling machine models, making it the correct choice for operators and service technicians working on either machine in this family.
Key Features
- Genuine OEM Construction — manufactured to Bomag's exact material and dimensional tolerances, ensuring the key block seats and locks with the same integrity as the original part
- Direct Drop-In Replacement — engineered to match the original mounting configuration on BM1300/30 and BM1200/30 cold milling machines, fitting straight into place without rework
- Confirmed Fitment — verified for Bomag BM1300/30 and BM1200/30 cold milling machines, so you can order with confidence using part number 700280782
- Maintains Drivetrain Integrity — a properly functioning key block keeps rotating assemblies correctly locked and aligned; a worn or missing block can cause slippage, uneven drive transmission, and accelerated wear on surrounding components
- Correct Part, First Time — ordering by Bomag part number 700280782 eliminates the risk of receiving an incompatible substitute, protecting your machine investment and keeping downtime short
A key block is a precision locking component used to secure a rotating element — such as a shaft, pulley, or drum — to its mating hub or bore. It sits within a keyway machined into both parts, preventing relative rotation between them and ensuring torque is transmitted evenly and efficiently. When a key block becomes worn, cracked, or dislodged, the connected assembly can slip or shift under load, causing vibration, loss of drive, and potentially serious damage to adjacent components — making timely replacement critical to maintaining the performance of the milling machine's drive system.
Part Details
| Part Number | 700280782 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Key Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cold Milling Machine | BM1300/30 | 00800607 |
| Cold Milling Machine | BM1200/30 | 00800617 |
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.