RS PRO Threading Tap, 5/16-18 UNC Thread, UNC Standard, Machine Tap

UNC HSS Spiral Point Ground Taps

• Precision HSS taps for machine tapping
• Can be used for hand tapping without need of a lead tap.
• Designed with a straight flute supplemented by an angular cutting point leaves the flutes clear of swarf for free coolant flow.
• Blue steam tempered finish reduces friction and produces a fine finish thread