When tapping, it is necessary to add water or coolant to cool down to prevent excessive temperature and reduce tap loss. Be sure to select the appropriate cutting oil for the complex tapping process and apply anti-rust oil for maintenance after use. 【Size】Length: 3.15/80mm, Thread Head: 0.71/18mm, Square Head: 6.3mm x 6.3mm (L*W), Shank Diameter:8.0mm, Pitch: 24 TPI. 5/16 x 24TPI UNF HSS INOX Machine Tap - V24/25UNF-TXC (UFS... Straight flute design, used for through-hole and shallow blind hole tapping. 【Application】Make or repair thread, suitable for most metals, copper, alloy steel, cast iron, aluminum, brass, abrasive steel, A3 steel, iron plate ETC. Hand tap UNF 3/8 - 24 | Hand taps links HSS | Thürmer Tools Basic Size Of Taps Cossinete Hss 3/8-24 Unf (ext. 30 Mm) Osg | CCP Virtual - Ccp Drill Size 【Package Included】1pc 3/8-24 UNF Right Hand Thread Tap. Online shopping for High Quality DCS /LTE 4G 1800Mhz 5G SA Signal Booster Band3 Signal Amplifiers Celullar 2G 4G Repeater With Smart Digital LCD . Find out what's hot and new from our online store. It's Safe Payment and Worldwide Shipping If it encounters difficulty in rotation, the tapping should be suspended.