Products information 1) Material: 40Cr or 42CrMo 2) Surface: black oxygen, galvanization or as your request 3) Hardness: 36~42HRC 4) Impact Strength: ≥12~15J (at 25°C) 5) Package: boxes packed in plywood cases 6) Application :used for locking the tooth onto the adapter, widely used in Excavator buckets ,Loader buckets , Bulldozers,Rippers and so on
Our aftermarket Hensley Spring Flex Pin is a special elastic locking pin which produced for Hensley bucket tooth system. It achieves self-locking by its elastic structure, no need extra retainer, rubber lock or wedge is required during installation. Hensley Spring Flex Pin K156S fix Hensley bucket tooth X156/X156T/X156WT.After inserting into the pin hole, the spring tension holds the bucket tooth tightly to resist continuous impact and vibration during excavation.Hensley Spring Flex Pin K220S fix Hensley bucket tooth X220/X220T/X220WT.
It simplifies bucket tooth assembly with fast installation and removal, so can greatly save onsite tooth replacement time, and effectively prevent pin loosening and bucket tooth loss caused by digging vibration. Hensley Spring Flex Pin K290S fix Hensley bucket tooth X290/X290T/X290WT. Our aftermarket replacement parts own precise dimension and tight tolerance, can directly replace original Hensley Spring Flex Pin.


We mainly use 40Cr and 42CrMo material to produce bucket tooth pins. Hensley Spring Flex Pin K310S fix Hensley bucket tooth X310/X310T/X310WT.40Cr is commonly standard material, which own good core toughness and surface wear resistance after quenching and tempering. Hensley Spring Flex Pin K400S fix Hensley bucket tooth X400/X400T/X400WT.42CrMo alloy steel own premium heavy-duty grade with higher strength and impact toughness.Hensley Spring Flex Pin K330S fix Hensley bucket tooth X330/X330T/X330WT. It is preferred for rock and mining excavation, has excellent resistance against compression deformation.Hensley Spring Flex Pin K370S fix Hensley bucket tooth X370/X370T/X370WT.
Thank you for your interest in our aftermarket Hensley Spring Flex Pin replacement. To quote precisely, please share your Hensley Spring Flex Pin part numbers,surface finish,priority material and quantity for quotation. If you are not sure the correct pin/retainer part numbers, just tell us the teeth and adapters part No., we will find the right pins and retainers for you.
| Series | Part number | Description |
| Hensley 475 Series | K475S | Hensley Spring Flex Pin |
| Caterpillar | 1U0739 | Caterpillar Bucket Sidebar Guard Pin |
| Caterpillar | 9J8441 | Caterpillar Bucket Side Bar Protector Pin |
| Caterpillar | 133-0738 | Caterpillar Bucket Side Bar Protector Pin |
| Caterpillar | 107-8559 | Caterpillar Bucket Side Bar Tooth Retainer |
| Caterpillar | 8E4708 | Caterpillar Bucket Sidebar Guard Pin |
| Caterpillar | 4T4707 | Caterpillar Bucket Side Bar Tooth Retainer |
| Caterpillar | 4K0043 | Caterpillar Bucket tooth lock pin |
| Caterpillar | 4K0041 | Caterpillar Rubber Stopper |
Contact: Zoe Shi
Phone: +86-19700710133
Tel: +86-19700710133
Email: order@longwearparts.com
Add: Beilun District, Ningbo, China
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