299-3426 6 mm Thick Hard Washer
Cat® 6 mm Thick Flat Hard Washer
Description
Cat® fastener parts are designed for specific applications based on size, strength, clamping force, and past performance. Cat® hardware and fasteners are made to fit your machine, and no other company knows your equipment like we do.
Features
- Cat® fasteners are manufactured to precise specifications for durability, reliability and high efficiency
- Strength and Quality – Fasteners meet or exceed ISO, ASTM, ASME and SAE requirements.
- Cat® bolts, nuts and washers are specifically designed to work together as a system to maximize clamping force.
- Coating meets the special requirements of different applications (RoHS compliant).
Applications
Cat® bolts form a high-performance system with matching hardened washers and nuts that produces consistently high clamping force. Cat® fasteners help you build, maintain or repair for most machine and shop applications worldwide, and they can be trusted.
Specifications
| Gasket Type | Flat Washer |
|---|---|
| Material | HARDENED STEEL |
| Outside Diameter | 49 mm (1.929 in) |
| Inside Diameter | 28 mm (1.10 in) |
| Thickness | 6 mm (0.236 in) |
| Fits Bolt Size | M27 mm (1 in) |
| Coating | Zinc flake provides moderate to high corrosion protection and repeatable assembly performance through built-in lubrication. Salt spray resistance: 720 hours with no red rust. Coating color – black (M12 and smaller), gray (larger than M12). |
Compatible Equipment
- Generator Sets: C4.4
- Cold Planers: PL72
- Wheel Excavators: MD6310, MD6250, MD6200
- Compactors: CB-64B, CB16, CB-66B, CB15, CB13
- Dozers: D6R III, D6T, D6R, D6R II, D6T LGP, D8, D8T, D10R, D6R XL
- Excavators: 6060, 657G
- Wheel Loaders: 926M, 938M, 924K, 938K
- Off-Highway Trucks: 773, 777, 772G, 775G, 770G, 796 AC, 773F, 798 AC, 7495
Additional information
| Machine Model | 6060, 657G, 7495, 770G, 772G, 773, 773F, 775G, 777, 796 AC, 798 AC, 924K, 926M, 938K, 938M, C4.4, CB-64B, CB-66B, CB13, CB15, CB16, D10R, D6R, D6R II, D6R III, D6R XL, D6T, D6T LGP, D8, D8T, MD6200, MD6250, MD6310, PL72 |
|---|---|
| Equipment Type | Excavators, Wheel Excavators, Wheel Loaders, Dozers, Off-Highway Trucks, Compactors, Cold Planers, Generator Sets |
| Part Source | Genuine OEM |








