7X-0618 13.5 mm ID Hardened Washer
Cat® hard washers are rigid, flat discs that distribute loads evenly and prevent surface damage during fastening
Description
Cat bolts form a matched system with mating hardened washers and nuts to produce consistent, high clamping force.
Specifications
| Coating Finish Note | Caterpillar is changing many washers from zinc plating to a zinc flake coated finish. The new coating increases corrosion protection to 720 hours. While existing stock of the current finish is being used up, you may receive washers with either finish during the sell-through period. |
|---|---|
| Inside Diameter (ID) – 1 | 13.5 mm |
| Outside Diameter (OD) – 2 | 40 mm |
| Outside Diameter | 40 mm (1.575 in) |
| Inside Diameter | 13.5 mm (0.531 in) |
| Surface Finish | Zinc Flake |
| Thickness – 3 | 5 mm |
| Hardened | Yes |
| Material | HARDENED STEEL |
| Gasket Type | Flat Washer |
| Fits Bolt Size | M12 mm (1/2 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). |
| Thickness | 5 mm (0.197 in) |
Compatible Equipment
- Generator Sets: C4.4DE88E0, C7.1, C9, C7.1DE200E, C4.4, 3516C
- Track Loaders: 994K, 826H, 963, 834H, 826G, 993, 982, 995, 826K, 972, 992, 824C
- Cold Planers: PL87, PL61, PM622, PM620
- Compactors: C9.3B, C13B, 825K, 824K, C-15, CB10
- Engines: C27, C15, C11, C13, C32, C18
- Excavators: 336D2, 303, 303.5E2 CR, 305, 336D, 349D2 L, 349D, 305C CR, 349D2, 330D L, 305E2 CR, 3516B, 6060, 320C, 325C, 330C, 336D L, 336D2 XE, 330C L, 315C, 336D2 L, 325B L, 320B, 416E, 345D L, 345C L, 345C, 349D L, 416F2, 428F, 340D2 L, 330D, 325C L, 336D2 GC, 320C L, 312C, 312C L, 330B, 637G, 637E, 120 GC, 345B, 325B, 345D, 340D L, 340
- Asphalt Pavers: AP655F, AP-600D, AP655F L, AD63
- Skid Steer Loaders: 232D, 24
- Motor Graders: 120H, 160K, 16M3, 12H, 14M, 12K, 140H, 140K, 14, 140 GC, 16M, 18, 16
- Wheel Excavators: MD6250, MD6200, M313D, IT14G, MD6310
- Dozers: D10T2, D11N, D11T, D10T, D11R, D10N, D3K2 LGP, D11, D10R, D7R II, D5H, D7E, D9R, D5G, D9T, D6N, D3G, D6M, D8T, D6K2, D6R II, D6R, D7R, D6T, D5K2 XL, D8R, D4G, D9N, D1, D4, D10, D9, D8, D6R XL
- Mini Excavators: 307B, 303.5, 306, 305.5, 303.5E, 303.5D, 305.5E, 303.5C
- Wheel Loaders: 950, 938K, 924K, 950H, 992C, 988H, 988G, 992D, 962G, 928G, 926M, 980H, 966H, 950G, 966L, 990H, 980L, 938M, 962L, 966, 910, 972L, 950 GC, 980, 924GZ, 972H, 966K, 928HZ, 924HZ, 972G, 950L, 836, 980G
- Off-Highway Trucks: 773E, 797F, 735, 793F, 745, 773F, 770G, 772G, 740, 785D, 773, 777, 785, 777E, 745C, 740B, 777D, 775G, 740 GC








