Pin Drive roller kelly bushings

Product Details

Product Description

Product Description
Function: Work with master bushing to drive drill pipe
The pin Drive roller kelly bushing provides the following advantages:
**Pulling out or putting in string can be done while rotating
**Because of its integral construction,it can not fly out and hurts you;
**The bushing is easily installed into the master bushing, maintaining good alignment;
**The contact between kelly and roller is rolling contact,so friction is lower, and drill pressure is accurate

Type	kelly size	Rotary table	Drive hole Dia.	Center Distance of the Drive hole
	mm(inch)	mm(inch)	mm(inch)	mm(inch)
BFK-6F-B4	133.4(5-1/4'')	952.5(37-1/2'')	86.2(3-25/64'')	654(25-3/4'')
When ordering or requesting quotation, if size out of above specification, pls. specify clearly.

---

>> Industrial High Output Automatic Sausage Stuffing Filling Making Machine Sausage Hotdog Maker Machine
>> HC-B104 Efficient chemical use sample testing automatic nucleic acid extraction with touch screen
>> Wheel Grinding and Mixing Machine Grinding Mill for Coal Sand Mixer
>> Drill Grinder Wholesale End Mill Sharpening Machine Tool Sharpener
>> 3 Layers Best Selling Face Anti Smog Pollution Disposable Dust Face Sheet Mask
>> Marine Air Bag Rubber Balloon Roller Ship Launching Airbags Price
>> Commutative Price Luxury Smoking Metal Outdoor Creative Portable Pocket Custom Ashtray
>> Security Guard Uniform Safe Custom Outdoor Unisex Tactical Officer Wear
>> HDPE Plain Star Sealed Plastic Rubbish Bag
>> Gypsum Hollow Block Making Machine Cement Price Fly Ash Brick Production Line
>> fitness clothing custom men short sleeve gym hoodies wholesale half sleeve hoodie
>> OEM Customized 100% Polyester Classic T-shirt Supplier.
>> Beautiful and durable decorative Aluminum/Galvanized mesh perforated metal mesh sheet manufacturer sale
>> Manufacturer Weaving Factory Textile Low Price Electronic Jacquard Machine for Clothing
>> frp pressure membrane housing
>> Sock Making Machine Computerized Socks Making Machine Automatic Yh-6f
>> M30 2000rpm Low Price Stable Quality CNC Tapping Machine
>> Reflective fire retardant warning tape for clothing reflective material manufacturer
>> Hot Press Machine for Furniture Panels and Decorative Veneer Lamination
>> Multi-channel temperature and humidity field real-time data monitoring data logger