DU Rotary Slip

The DU Rotary slips are designed for long trouble free service. They are made of alloy steel and heat-treated for strength and resistance to wear. Both slips are for use in API tapered bowls. The DU regular has a 12” long gripping surface and is designed for wells 8000’ or less. The DU Long has a 16” long gripping surface and is designed for deep wells and heavier drill strings.

Model	Size of Slip bodies		4.1/2
DU	DP OD	in	2.3/8	2.7/8	3.1/2	4	4.1/2
DU	DP OD	mm	60.3	73	88.9	101.6	114.3
DUL	DP OD	in	2.3/8	2.7/8	3.1/2	4	4.1/2
DUL	DP OD	mm	60.3	73	88.9	101.6	114.3
SDU	DP OD	in	—	—	—	—	—
SDU	DP OD	mm	—	—	—	—	—
Model	Size of Slip bodies		5.1/2
DU	DP OD	in	3.1/2	4	4.1/2	5	5.1/2
DU	DP OD	mm	88.9	101.6	114.3	127	139.7
DUL	DP OD	in	3.1/2	4	4.1/2	5	5.1/2
DUL	DP OD	mm	88.9	101.6	114.3	127	139.7
SDU	DP OD	in	3.1/2	4	4.1/2	5	5.1/2
SDU	DP OD	mm	88.9	101.6	114.3	127	139.7
Model	Size of Slip bodies		7
DU	DP OD	in	4.1/2	5	5.1/2	6.5/8	7
DU	DP OD	mm	114.3	127	139.7	168.3	177.8
DUL	DP OD	in	—	—	—	—	—
DUL	DP OD	mm	—	—	—	—	—
SDU	DP OD	in	4.1/2	5	5.1/2	6.5/8	7
SDU	DP OD	mm	114.3	127	139.7	168.3	177.8

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