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Master Bushings and Insert Bowls

YECO’s Mater Bushings and Insert Bowls are designed for both Pin Drive and Square Drive with sizes ranging from 17-1/2” to 49-1/2”. The Pin Drive allows the use of extended insert bowls to meet flush with the top of table that has better slip support and preventing damage to drill pipe. The SQ Drive bushing has a 4” deep recess to be used with the SQ drive Kelly bushings. Short and medium style slips are used in the SQ drive for shallower depth in drilling. All our products are cast with high-quality alloy steel and the sizes conform to API Spec 7K Specification for drilling and well servicing equipment.

Casing Bushings and Insert Bowls

YECO offers type CU, CUL and CB Casing Bushings with a size range of handle casings from 2-3/8 to 30 inch O.D. They are designed to fit into the rotary table by direct insert and insure that the casing being run is perfectly aligned with the center of the hole. Type CU and CUL are solid bushings and Model CB is a split bushing. All bushings are designed to be fitted with inert bowls of different sizes to accommodate all pipe and casing sizes. The bushings and bowls are designed to use with CMSXL slips and all in 4 inch tapered slips.

 All our products are designed and manufactured according to API Spec 7K for drilling and well servicing equipment.

Roller Kelly Bushings

YECO carries both Square Drive and Pin Drive Kelly Bushings they are designed for shallow, medium and deep well drillings and are used for rotary tables size ranging from 17-1/2” to 49-1/2” inch.  All our products are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment. 

Master Bushing Accessories

Except for different bushings, YECO also carries  different sizes and types of insert bowls and bushing accessories such as 2 and 4 leg lifting slings, bit breaker adapter plates and bit breakers. Please contact us for more detailed information. 

  • Bit Breaker Adapter Plate

Bit Breaker Adapter Plates are located in the Master Bushing driving pin holes and provide a 13-9/16” square to accommodate Bite Breakers. They are used for MPCH, MSPC, MDSP and MSP. P/N:1816 use for 23 to 49-1/2” master bushing; P/N 1815 use for 17-1/2 to 21” master bushing.

  • Lifting Slings 

Lifting Slings are used for removing and installing bushings and bowls. 

P/N1021 with 2hooks are for removing and installing bowls. 

P/N6699 with 4 hooks are for removing and installing bushings.

  • Bit Breakers

Bit Breakers are mostly used for screwing standard 3-cone bit.

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