junk sub is normally run just above the drill bit or milling tool, with a cup for catching objects.

Junk Sub

Normally run just above the drill bit or milling tool, with a cup for catching objects

Specifications

Type	Hole Size	Max.OD(in)	Sub OD(in)	Bore Dia.(in)	Connection
SLB127-3-00	66 3/8	127	114.3	38.1	3 1/2REG
SLB168-3-00	7 1/28 1/2	168	146	57.2	4 1/2REG
SLB175-1-00	8 5/89 5/8	175	146	57.2	4 1/2REG
SLB245-4-00	11 1/213	244.5	203.2	70	6 5/8REG
SLB330-1-00	14 3/417 1/2	330	241.3	76.2	7 5/8REG

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API Standard junk sub