1.Drill Pipe Slip 2.Type:SDS SDML SDXL 3.API Spec 7K ISO9001:2008 4.GB/T 28001-2001 5.GB/T 24001-2004-ISO14001:2004 Drill pipe slips can accommodate drill pipe from 2 3/8 to 5 1/2 in (60.3-139.7mm) O.D. They are classified as type Short (SDS), Medium (SDML) and Extra Long (SDXL) according to gripping length. SDS slips are designed for shallow hole drilling, SDML slips are the perfect choice for ...