A versatile tool, suitable for hand and machine tapping, with a straight flute design for both through and blind holes. As a hand tap set of three NO6 or two NO7 with different chamfer length, each producing a full thread. Or as a set NO8 with three serial taps to be used in sequence to create the full thread. Specifications Shank: Cylindrical shank with Square Premachined hole diameter - millimeter (PHD): 19.5mm Connection diameter - millimeter (DCON MS): 16mm Threading length - millimeter (THL): 29mm Hand (Cutting direction): Right Basic standard group (BSG): ISO 529 Thread diameter size (TDZ): 22 Thread form (THFT): M - Metric coarse Material code (BMC): High Speed Steel Flute count (NOF): 4 Hole Type: Through or Blind Hole Coating: Bright Material Application Priority Usage: P - Steel and cast steel Package Quantity: 1 Country of origin: Brazil Sellable Unit Weight: 187g Alt Part Number (Material ID): 5975634 Brand: Dormer Package Dimensions: 27 x 120.84 x 27mm