PART I: PRODUCT INTRODUCTION
1. Commodity: pins for hydraulic thumbs
2. Size range: Diameter of 20mm - 200mm including imperial sizes.
3. Available steel grade:
| SAE/AISI: |
SAE1045,SAE4130, SAE4140,SAE4145,SAE4340 |
| DIN: |
ST52, |
| EN: |
E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, |
4. Raw material: hot rolled or hot forged round bars
5. Manufacture procedure: Machining&turning as per drawing
6. Surface traetment: hard chrome plating, galvanization, or Dacromet upon request
7
. Size tolerance: as per drawing
8. Surface roughness: Ra0.4um, Ra0.8um Ra1.6um at the option of the buyer.
9. Standard export packing: by plywood boxes.
10. Customized packing and marking can be provided upon request.
PINS FOR HYDRAULIC THUMBS:
PINS FOR HYDRAULIC THUMBS - PACKING:
PINS FOR HYDRAULIC THUMBS - MECHANICAL STAMP:
PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: Generally Min Order Quantity can be 2-3 tons/size for tubes with OD below 250mm, and 10 tons/size for tubes with OD above 250mm. Sometimes, it depends on steel grade you need. If you need special grade like E410, E470 or alloy steel tube, MOQ should be 10 tons/size at least.
2. Delivery Time: Generally, our delivery time for hydraulic cylinder barrel is around 60 days depending on the sizes and quantities.
3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.
4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation.
5. Quality Control: 90% of the tubes are made from hot rolled seamless pipes. So, quality of raw material determined quality of finished tubes. We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage.
PART III: FACTORY FACILITIES
Audited Supplier 
){kind=link}
){kind=link}