FOCMKEAS Metric Machine Tap M8 x 0.5, HSS 6542 Screw Tap H2, 3 Straight Flutes Thread Hole Repair Tools, Screw Milling Threading Machinist Repair(M8 x 0.5mm)

【SIZE】Thread size: M8 x 0.5; thread tolerance: H2; thread length: 22mm/0.87"; square shank width: 5mm/0.2"; overall length: 71mm/2.8", 【FEATURE】Heat treated HSS 6542 provide high hardness and toughness. Straight flute design, rapid downward chip removal for efficient threading, clear threads without burrs, right hand tapping direction., 【APPLICATION】Make or repair thread, cutting compound introduction can protect tap. suitable for most metals, copper, alloy steel, cast iron, aluminum, brass, abrasive steel, A3 steel, iron plate etc., 【USAGE】Great for through-hole and shallow hole. Machine taps used with drilling machines, tapping machines, automatic machines, machining centers, CNC, milling machines, not recommended for hand and electric drill tapping., 【TIPS】Drilling diameter please refer to pictures. Control speed based on material hardness during using. ordinary steel: 6-15m/min; harder steel material: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.