API Standard Traveling Block and Hook

Travelling Block

The side plate assembly is made of thick steel plate.                                                                                                                                              The sheave grooves are intermediate frequency quenched so as to improve surface hardness and extend service lift of sheaves.                All sheaves had double-row conical roller bearings and each bearing has individual lubricating channel.                                                      Quenched & tempered alloy steel shaft with lubrication hole of each bearing. Heavy duty wire line guard.                                                        The sheaves and the bearings are interchangeable with those of corresponding crown blocks.                                                                            The traveling block conform to API Spec. 8C and API monogram can be used.

1.In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.
2.Use high quality export wooden crates, or you can customize them.

1. How do we ensure?
Answer:
(1)Always pre-production samples before mass production;
(2)Always final inspection before shipment;
(3)We choose advanced production technology and equipment, strictly control the whole production process and check the finished drill bits, and also make several design changes according to customer's feedback, and finally ensure excellent drilling results for our customers.

2. Is the product manufactured in accordance with the standard?
Answer:
YES. All our activities are certified by API, in terms of products and services, while proven production techniques ensure that the quality meets international requirements, and we carry out rigorous checks during production

3. Why should you buy from us instead of other suppliers?
Answer:
(1)Long history, exquisite technology
(2)Independent research and development, reliable quality Complete flexible production line
(3)Rich varieties, including tungsten carbide insert drills, steel tooth drills, hard disk openers, single cone drills, and tooth wheel cutters.
(4)Excellent pre-sale and after-sale service system

4. Are you a trading company or a manufacturer?
Answer:
We are trading company, but we can offer you competitive drill bits. We have supplied to many countries.

5. Time of delivery and time of shipment?
Answer:
Beijing airport takes 3-5 days for transportation. Even for small or urgent orders, we can ship you by air after receiving youragreement. Depending on the distance from China to your port, it usually takes about 25-30 days from China to Europe. To Western USA 20-25 days.