7X-0449 7/8-9 Thread Hex Nut
Cat® 7/8-9 Thread Hex Nut
Description
Cat® fastener parts are designed for specific applications based on size, strength, clamp load and past performance, information other manufacturers do not have. They are carefully selected to last until machine rebuild or end of life. Non-Cat hardware and fasteners may appear to fit your machine, but no one else knows your equipment the way 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 mating washers and nuts to produce consistent, high clamping force. You can rely on Cat fasteners to help you build, maintain or rebuild – for most machine and shop applications around the world.
Specifications
| Drive Chain | 33.3375 mm (1 5/16 in) |
|---|---|
| Hole Thread Pitch | 9 |
| Thread Size | .875 mm (0.034 in) |
| Hardened | Yes |
| Thread | Coarse Thread UNC |
| Surface Finish | Zinc Plated |
| Nut Width – 3 | 1 5/16 in |
| Thread Direction | RH |
| Thread Size (Diameter × Pitch) | 7/8×9 mm |
| Class or Grade | Cat/SAE J995 Grade 8+ (170 ksi) |
| Thickness | 19.05 mm (0.776 in) |
| Height | 0.78 in |
| Nut Model | Hex Nut |
| Thread Size (in – TPI) | 7/8-9 in |
| Material | Carbon Steel |
| Material Description | Hardness More Than 20% Higher Than SAE J995 Grade 8 |
| Coating | Zinc Plated |
Compatible Equipment
- Generator Sets: 3512B, 3512E
- Track Loaders: 816F
- Cold Planers: PL61, TH255C
- Compactors: 816, 814, C-9
- Engines: C32, C15, C27, C18
- Dozers: D10, D10R, D7H, D7R II, D8N, D7R, D6G, D6G2 XL, D8L, D6G2 LGP, D9N, D10N, D10T2, D11R, D11N, D10T
- Excavators: 3516B, 657G, 637K, 637G, 637E, 3512C, 621G
- Wheel Loaders: R1700 II
- Off-Highway Trucks: 777, 773, 7495, 773F, 775G
- Skid Steer Loaders: 3126B
Additional information
| Machine Model | 3126B, 3512B, 3512C, 3512E, 3516B, 621G, 637E, 637G, 637K, 657G, 7495, 773, 773F, 775G, 777, 814, 816, 816F, C-9, C15, C18, C27, C32, D10, D10N, D10R, D10T, D10T2, D11N, D11R, D6G, D6G2 LGP, D6G2 XL, D7H, D7R, D7R II, D8L, D8N, D9N, PL61, R1700 II, TH255C |
|---|---|
| Equipment Type | Excavators, Wheel Loaders, Track Loaders, Skid Steer Loaders, Dozers, Off-Highway Trucks, Compactors, Cold Planers, Engines, Generator Sets |
| Part Source | Genuine OEM |








