Products information 1) Material: 40Cr or 42CrMo 2) Surface: black oxygen, galvanization or as your request 3) Hardness: 36~42HRC 4) Grade: 12.9 5) Impact Strength: ≥12~15J (at 25°C) 6) Package: boxes packed in Plywood Cases 7) Application : Caterpillar Segment bolt used in a wide variety of applications across all Caterpillar machinery,they are used to secure the segments to the undercarriage frame
Our aftermarket Caterpillar Segment Bolts/Sprocket segment bolts are high-strength undercarriage fastener designed for drive sprockets of Caterpillar excavators and dozers. Working with matched nuts, it securely fixes sprocket segments onto the sprocket hub. When the machine travels, the sprocket continuously meshes with track links. Segment bolts endure cyclic impact loads and shear force, exposed to abrasive rock, sand and muddy water all the time. Loosening or fracture of bolts may lead to sprocket segment falling off and track jumping, resulting in serious undercarriage failure. Therefore, segment bolts require excellent tensile strength, shear resistance and fatigue performance.
Our aftermarket Caterpillar segment bolts replacement are manufactured to match CAT OEM part numbers. Shank diameter, thread specification and head mounting dimension are fully compatible for direct replacement.

Except Standard hex head segment bolt, we also supply Reinforced thick head segment bolt and Short shank segment bolt.Threads are roll-formed with no cutting marks at thread root,so can improve fatigue resistance and reducing thread breakage risk. Our segment bolts/sprocket bolts are suitable for heavy-duty applications including earthmoving, mining, quarrying and large infrastructure construction.
Thank you for your interest in our aftermarket Caterpillar segment bolts/sprocket bolts replacement. To quote precisely, please share your segment bolt part number or sprocket segment OEM part number, segment bolt strength class, surface finish and priority material for quotation. I can send you prices and lead time immediately.
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Bolt Diameter |
Part number | Description | Dimension | Length |
| 5/8 | 3S8182 | Segment bolt | 5/8 X 1 7/8 | 1 7/8 |
| 6V0937 | Segment bolt | 5/8 X 2 7/64 | 2 7/64 | |
| 3/4 | 117-1617 | Segment bolt | 3/4 X 1 15/16 | 1 15/16 |
| 3S0336 | Segment bolt | 3/4 X 2 3/8 | 2 3/8 | |
| 5P7665 | Segment bolt | 3/4 X 2 1/2 | 2 1/2 | |
| 5P4130 | Segment bolt | 3/4 X 2 5/8 | 2 5/8 | |
| 7/8 | 3S7837 | Segment bolt | 7/8 X 2 9/16 | 2 9/16 |
| 9S2727 | Segment bolt | 7/8 X 2 9/16 | 2 9/16 | |
| 8S3016 | Segment bolt | 7/8 X 2 9/16 | 2 9/16 | |
| 7T1248 | Segment bolt | 7/8 X 3 | 3 | |
| 9W8328 | Segment bolt | 7/8 X 3 3/16 | 3 3/16 | |
| 5P6471 | Segment bolt | 7/8 X 3 3/16 | 3 3/16 | |
| 1 | 9S2728 | Segment bolt | 1 x 2 27/32 | 2 27/32 |
| 8S3001 | Segment bolt | 1 x 2 27/32 | 2 27/32 | |
| 5P0233 | Segment bolt | 1 x 3 | 3 |
Contact: Zoe Shi
Phone: +86-19700710133
Tel: +86-19700710133
Email: order@longwearparts.com
Add: Beilun District, Ningbo, China
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