
6y8558 / 8e5559 Caterpillar J550 Series Pin and Ratainer for Cat 345/350 Bucket Teeth and Adapter
Product Introduction
Based on the Hydraulic Piston Pump, Track Roller, Crawler Crane Track Pads industry, we continue to innovate and develop products to meet the long-term stable needs of different customers and different markets. Committed to become a respected innovative company, we will never forget the original intention and strive hard. We always adhere to the concept is: adequate supply, reasonable price, reputation first, quality and service. Relying on the support of friends from all walks of life, our company continues to develop the market with a development perspective, is going to occupy the market with a good reputation! Our goal is to realize the value of the company while bringing economic benefits to customers, and to achieve a win-win situation with customers. The needs of users are our work guidance. Honesty is the constant purpose of our company!
Bucket Pin
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Model Name |
Bucket Pin |
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Material |
40Cr or 45# steel |
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Technology |
Mid/High frequency hardening |
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Surface Hardness |
HRC50-60 |
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Hardness Depth |
3-8mm |
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Machine type |
Bulldozer and excavator |
Production Process
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The raw materials We strictly control the procurement of raw materials. Strict requirement for required steel must meet all property standards of 45# and 40Cr steel. Ensure quality at the source of production |
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Roughing Adopt double blanking of lathe, manual marking of production, multiple precision, running the material, ensure the follow-up production of material preparation on the premise of precision |
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Lathe The advanced digitized lathe, manually detects 100% of the product to ensure the standard of scientific data of subsequent processing |
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Drilling To realize the normalization, standardization and conformity of drilling program data |
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Heat Treatment In terms of product hardness, in order to guarantee product quality, quality product without blasting lines or hidden cracks inside or outside. The hardness depth reaches 3~8mm, which make it stronger and more durable |
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Polishing Manual supervision, measurement and adjustment are made for many times, so that the finished product can have a more refined appearance |
Packing And Delivery
Packed on Strong Fumigate Wooden Pallet

Payment: By 100% T/T. 30% T/T as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Delivery Time: Generally, if we have stock, it will take about 7-day delivery time. Or it will take about 20 days after receiving your advance payment. The specific delivery time depends on the items and quantity of your order.
Our Service
1. Guaranteeing quality inspection of each product before assembly and packing.
2. Any request from the clients would be treated carefully by our experienced staff, the quality of any order would be highly controlled by our skilled engineers.
3. We have a professional after-sale service team to solve your problems timely. We have several engineers for the undercarriage parts, if you have part number, model or drawing, dimensions, please send to us. Our engineer will check whether they are correct. If not, we will also give you suggestions for measurement.
We strictly control product quality, making our 6y8558 / 8e5559 Caterpillar J550 Series Pin and Ratainer for Cat 345/350 Bucket Teeth and Adapter sell well abroad. For more than ten years experience in this filed, our company has gained high reputation from home and abroad. We seize the market with products, create markets with services, and lead the market with brands. 'Satisfy customers, win-win cooperation, and create maximum value for customers' is our eternal pursuit.
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