If it encounters difficulty in rotation, the tapping should be suspended., 3., Be sure to select the appropriate cutting oil for the complex tapping process and apply anti-rust oil for maintenance after use., 【Tap Size】Length: 5., 71/145., 00mm, Thread Head: 1., 50/38., 00mm, Square Head: 18., 0mm x 18., 0mm (L*W), Shank Diameter:23., 0mm, Pitch: 16 TPI., 【Die Size】OD: 2., 56/65mm, Thick: 0., 71/18mm. 【Application】Make or repair thread, suitable for most metals, copper, alloy steel, cast iron, aluminum, brass, abrasive steel, A3 steel, iron plate ETC. Die Material: Alloy Tool Steel, Cutting Diameter: 1-1/4 Inch, TPI: 16 Teeth per Inch, Cutting Direction: Right Hand, Accuracy Class: 2A. Technology Straight Flute Thread Taps Straight flute design, used for through hole and shallow blind hole tapping, not for blind hole tapping. Cutting Direction: Right Hand. Burkit 1-1/4-16 UN Round Threading Die, 1-1/4 x 16 UN M4 x 0.7 HSS Right Hand Thread Tap Set Easy to Use it can be used with manual equipment or special processing consoles, such as tapping machines, drill-in-one bench drills, CNC lathes, machining centers, etc. The higher the hardness of the processed product, the slower the speed. 【Usage】Can be used with manual equipment or special processing consoles for tapping, Appropriate addition of coolant can extend the service life when tapping. M14 X 1.5 Tap 1 1/2"-16 UN Tap And Die Set, 1-1/2 X 16 UN Right Hand HSS Machine Thread Tap And 1 1 2 X 16 Un Alloy Tool Steel Round Die Tools 1b7c7acf 067b 4fb4 9182 A9ea9957a0f8.1d3a8ae4109b3596fbc7847beca7c9fd 1 1/4-16 UN Tap And Die 【Package Include】1 pc 1 1/4-16 UN Thread Tap & 1 pc 1 1/4-16 UN Round Die.