Three Stage Right Hand Imperial HSS Tap 5/16-24 Fine Thread Insize Dial Test Gauge Indicator Holder Arc Mount Series 6291-2 25mm Thickness 1

25mm Thickness 1

D 3/8" - 2 PCS

Insize Sheet Metal Micrometer 3239-253F

Includes both inside and outside circlip pliers

26 x 10 x 150mm

Three Stage Right Hand Imperial HSS Tap 5/16-24 Fine Thread Insize Dial Test Gauge Indicator Holder Arc Mount Series 6291-2 25mm Thickness 1Please note this is a 5 16 24 fine thread. This form of tap is ideal for tougher materials as the thread is formed in three stages as opposed to NON serial taps which form the thread in one pass. Specifications Material: HSS (High Speed Steel) BOTTOM TAPS have a chamfer (lead) of 12 threads, the angle of the lead being around 18 degrees per side. They are used to produce threads close to the bottom of blind holes. SECOND TAPS have a lead of 3 5