In stock
SKU: 8F8178
8F8178 Hex Head Bolts fit Caterpillar
In stock
SKU: 8F8178
8F8178 Hex Head Bolts fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$4.00
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8F8178 Hex Head Bolts for Caterpillar
8F8178 is a hex head bolt used on Caterpillar articulated dump trucks, including the D250E, D250E II, D25C, D25D, D300B, D300D, D300E, D300E II, D30C and D30D models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The bolt is made of steel and has a phosphate coating impregnated with oil. The supplied specification identifies the fastener as a standard coarse-thread hex head bolt with a 1/4-20 thread and SAE J429 Class 8 material classification, corresponding to ISO Class 10.9.
Fitment
- Equipment brand: Caterpillar
- Equipment type: Articulated dump truck
- Caterpillar D250E
- Caterpillar D250E II
- Caterpillar D25C
- Caterpillar D25D
- Caterpillar D300B
- Caterpillar D300D
- Caterpillar D300E
- Caterpillar D300E II
- Caterpillar D30C
- Caterpillar D30D
Cross-reference numbers
- 8F8178
- 8F-8178
Specifications
| Part type | Hex head bolt |
| Part category | Hardware |
| Material | Steel |
| Material description | SAE J429 Class 8 / ISO Class 10.9 |
| Finish | Phosphate coating impregnated with oil |
| Coating | Phosphate and oil |
| Thread type | Standard coarse thread |
| Thread size | 1/4-20 in |
| Threads per inch | 20 |
| Bolt length | 3 1/4 in |
| Overall bolt length | 3 1/4 in |
| Overall bolt length | 8.6 cm |
| Head height | 0.19 in |
| Head width | 0.44 in |
| Grapple length | 2.50 in |
| Handle thickness | 2.5 in |
| Connecting square | 7/16 in |
| Hole thread pitch | 20 |
| Slope | 8 |
| Width | 1.1 cm |
| Depth | 1.1 cm |
| Weight | 0.1 lb |






















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