Description: 1 1\/8-18 UNC HSS Right Hand Tap Drill Bit Machine Screw Tap 1 1\/8-18 TPI   Specifications: Material: HSS Thread Direcation: Right Hand Model: 1 1\/8!#!amp!*!quot;-18UNC Diameter of thread end: 15.7mm Diameter of thread head: 28.6mm Overall length: 120mm Quantity: 1pc   Features -High hardness、 fast cutting、 wear high temperature.  -Spiral groove  is conducive to remove crumbs、 not easily broken tap. -Spiral Tap the crumbs into a spiral up chip evacuation、 it is more suitable for the processing of blind holes and sticky materials processing. -Good abrasion resistance、 long service life -Sharp knife head、 smooth without burr   Package Included: 1x Right Hand Tap   More Details: