Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools JIS ④ Hand Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk JIS ① MG-HT Hand Taps with Short Chamfer for Magnesium Alloy Castings ② Specification <2D ③ Recommended Tapping Speeds depending on Materials Aluminum alloy castings Magnesium alloy die castings Zinc alloy castings アルミ合金鋳物 マグネシウム合金鋳物 亜鉛合金鋳物 5〜15 5〜15 5〜15 ④ (m/min) (m/min) (m/min)Product Features ● The number of threads in the cutting chamfer is 1 thread or less. It is ideal for threading holes that require the full thread length to be as close to the bottom of the hole as possible. ●The flute shape is ideally suitable for tapping magnesium alloy and aluminum die casting. ⑤ ●Coating is avaliable on request. Tapping Data Tapping Conditions [M2.5×0.45] Tapping Conditions [M2×0.4] Part Name PC parts Part Name PC parts ⑥ Workpiece Material Magnesium alloy Workpiece Material Magnesium alloy Bored Hole Shape Blind hole Bored Hole Shape Blind hole Bored Hole Length 4.5mm Bored Hole Length 3.0mm Tapping Length 4.0mm Tapping Length 2.5mm Machinery Type CNC tapping machine Machinery Type CNC tapping machine ⑦ Processing Direction Vertical machiningFeedSynchronous feed Processing Direction Vertical machiningFeedSynchronous feed Tapping Speed 20m/min Tapping Speed 15m/min Cutting Fluid Water soluble cutting fluid Cutting fluid Water soluble cutting fluid Number of HolesProcessed10,000 holes Number of HolesProcessed 10,000 holes ⑧ Internal thread situation Complete Threads ⑨ ⑩ Access to the introduction by Manga. Incomplete Threads * In magnesium alloy processing there is a risk of the chips catching on fire. Be sure to take all measures against fire prevention. ⑪ JIS ④-115