7X-7729 3 mm Thick Hard Washer
Cat® hard washer designed specifically for M10 fasteners prevents the fastener from sinking into the material and distributes the load more evenly.
Wholesale only · Full payment before shipment · Send your machine nameplate to confirm fitment
Description
Cat bolts form a matched system with mating hardened washers and nuts to produce consistent, high clamping force.
Specifications
| Inside Diameter | 11 mm (0.433 in) |
|---|---|
| Surface Finish | Zinc Flake |
| 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. |
| Thickness – 3 | 3 mm |
| Outside Diameter (OD) – 2 | 25 mm |
| Hardened | Yes |
| Outside Diameter | 25 mm (0.984 in) |
| Inside Diameter (ID) – 1 | 11 mm |
| Material | Low Alloy Steel |
| Gasket Type | Flat Washer |
| Fits Bolt Size | M10 mm (3/8 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 | 3 mm (0.118 in) |
Compatible Equipment
- Generator Sets: G3516, 3512B, 3516C, C9, C4.4, C7.1, G3516C, 3512E, DG30, 3406C
- Track Loaders: 995, 963, 990K, 972, 826K, 953, 953D, 953K, 992, 982, 994K, 834H, 963D, 826H, 826G, 963K, 824G, 824C, 816F, 993, 973K
- Cold Planers: PL72, PM620, PM622, PL87, TH255C, SE50 VT, PL61, PL83, SE60 VT XW, PM-200, TH360B
- Compactors: CB1.7, CB1.8, CS78B, CS74B, 825K, CP11 GC, 815, 814, 834K, 824K, 816, CW-34, CP56B, CP12 GC, CB2.5, CB2.7, CB2.9, C9.3B, CS68B, CS56B, CS12 GC, CB16, CS-533C, CS-56, CB-534D, CB-564D, CB-334D, CB-34B, CB-335D, CB-44B, CS-563E, CS-583D, CS12, CC-34B, CS-54, CP54B, CB-36B, CB-434D, CB-66B, CB-24B, CS54B, CS11, C13B, CB-64B, CB2.5 GC, CC2.7 GC, CS79B, CB2.7 GC, CS7, CW-16, CB-14, CB15, CB10, CB13, C-9, C-15, CS-54B, CS-533E, CS64B
- Engines: C13, C11, C15, C32, C27, C7, C18, C175-16
- Excavators: 307.5, 330, 390D L, 349D2, 320D, 329D2 L, 303, 305C CR, 308D, 336D, 326D2, 320D2, 336D2, 303C CR, 307E, 303.5E2 CR, 305, 329D2, 308E, 326D2 L, 3126, 329D, 374D L, 349D2 L, 390F L, 374F, 349D, 306E2, 306E, 313 GC, 313, 330D L, 305E2 CR, 374, 316 GC, 349F L, 323, 355, 325, 320 GC, 320, 302.7CR, 6020B, 352, 350, 303CR, 315 GC, 340, 336, 3512C, 320D3 GC, 345 GC, 3516B, 416F2, 301.6, 301.8, 326, 349, 330 GC, 3508B, 637K, 333, 320 GX, 313 GX, 312 GX, 316 GX, 323GC, 303.5CR, 313D2, 312 GC, 305 CR, 120 GC, 333 GC, 326 GC, 345D L, 621K, 352F, 345C L, 345C, 349E L VG, 621H, 365C L, 385B, 390D, 428F, 385C, 3516E, 365C, 385C FS, 385C L, 318D2 L, 324D, 312C, 325D L, 330C, 336E L, 320C, 329D L, 320B, 336D L, 330D, 320D L, 324D L, 330D2, 323D L, 314D LCR, 330 L, 329E, 323D2 L, 320D FM, 315D L, 311D LRR, 637G, 325C, 313D2 GC, 315C, 315, 320D2 L, 325D, 325C L, 312E, 312D, 336D2 XE, 320E, 328D LCR, 320D RR, 336 GC, 330C L, 325B L, 336F, 312D L, 336E H, 336E, 312D2, 320D GC, 336F LN, 336D2 L, 336E LN, 313D, 312C L, 314D CR, 329E L, 335F LCR, 336F L, 330D2 L, 336E LH, 313D2-GC, 312D2 L, 312F, 312D2 GC, 336F L XE, 312E L, 336D2 GC, 314C, 311B, 330B, 313F LGC, 320D2 GC, 320D3, 313F L, 657G, 637E, 318D2, 323D, 326D L, 330GC, 320C L, 349D L, 349E L, 416E, 6060, 340D2 L, 621G, 340D L, 349E, 374F L, 6015B, 6040, 6015, 350MHPU, 395, M325D L MH, 365B L, SE60 V XW, 335, 3101, 323 GX, 6030, 432, 323 GC, 345D, 345B, 365B, 390F, 434F2, 326GC, 323D2, 318D L, 311C, 325B, 315F LCR
- Asphalt Pavers: AD63, AP655F, AP655F L, AP-600D, AP300F, AD30, AP355F, AD45
- Skid Steer Loaders: 239D3, 259D3, 242D3, 246D3, 272D3 XE, 272D3, 299D3 XE, 232D3, 226D3, 226B3, 249D3, 246C, 232D, 236D, 289D3, 236, 246D, 3126B, 226B, 262D3, 262D, 262C, 236D3, 24, 216B3, 279C, 236B3, 313D2 LGP
- Motor Graders: 120, 140 GC, 16, 18, 349 GC, 16M3, 160K, 140K, 12H, 14M, 12K, 140H, 16M, 140G, 120H, 16H, 3606, 14, 316F
- Wheel Excavators: MD6250, MD6310, M320, M315, MD6200, M315D, M320D2, M315D2, M317D2, M322D, IT14G, M313D, M315GC
- Dozers: D7, D8, D11, D7R II, D6T, D8R, D4, D8T, D1, D9, D10R, D10T2, D9R, D11T, D11R, D10T, D3K2 LGP, D6N, D6R III, D6R II, D6T LGP, D9T, D5K2 XL, D6K2, D5K XL, D7E, D5N, D5M, D7G2, D6M, D6R, D5K LGP, D4G, D6G2 XL, D7R, D3G, D7G, D9N, D8N, D5H, D6R LGP, D6R XL, D5G, D6G2 LGP, D6G, D10, D11N, D10N
- Compact Track Loaders: 299D3, 279D3
- Mini Excavators: 306.5, 301.5, 301.7CR, 302CR, 306, 310, 307, 303.5E, 307C, 307B, 305.5E, 307D, 308, 305.5, 305.5E2, 303.5, 305E2, 303.5C, 303.5D, 308.5, 308E2, 307E2, 305.5 GC
- Wheel Loaders: 962L, M314, 988K, 966L, RM500B, R1700K, 950L, RM400, 924K, 980, 966, 938K, 910, 988H, 988G, 986H, 988F, 972L, 924HZ, 924GZ, 950H, 980G, 966H, 950G, 928HZ, 980H, 962G, 972H, 966F, 926M, 972G, 928G, 990H, 966K, 938M, 906K, 950 GC, 980L, 992C, R2900 XE, R1700G, R3000H, R1600H, 950, 836, R1700 XE, R1300G, 992D, 834, R2900G
- Off-Highway Trucks: 770G, 772G, 797F, 785D, 793D, 745, 777, 785, 740 GC, 789D, 740, 777E, 794 AC, 730, 735, 796 AC, 793F, 798 AC, 775G, 789, 793, 725, 745C, 773F, 773E, 773D, 740B, 725C2, 771D, 777D, 7495, 773
