Audited Supplier
HDS/HDP/RTM4/RTS4
on Line
1 Year
CNC Milling
Without Processing
Vacuum
Nylon
Strong
Wooden Case
2 1/2''-6''
Jiangsu. China
8431431000
Product Description
API 7K Roller Kelly Bushing Used for 171/2" - 49 1/2" Rotary Table
Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
Model | Type | Drive way | applicable size of kelly(in) | |
Square | Hex | |||
HDS | Heavy duty | Square drive | 21/2-6 | 3-6 |
27-HDP | Pin drive | 21/2-6 | 3-6 | |
20-HDP | 21/2-6 | 3-6 | ||
RTM4 | Medium duty | Square drive | 21/2-51/4 | 3-41/4 |
RTS4 | Light duty | 21/2-41/4 | 3-41/4 | |
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) sor Western Union or L/C at sight
2. Handling time for an order
(1). Based on order quantity, normally it takes 20 days for production.
(2). Only 2 or 3 days if we have stock on your request size.
3. Shipping way
(1).Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
(2) .Bulk order: we suggest by air or by sea.
4. Quality Control
(1).We have our own experienced QC.
(2) .There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
