OSG Spiral Tap for Mild Steel and Deep Holes (Metric Threads) STD M12 Pitch 1.75mm 19638 MS-DH-SFT-STD-M12X1.75 1 Piece

Catalog number: MS-DH-SFT-STD-M12X1.75 Features: ● Suitable for blind holes where damage to taps due to clogging with cutting chips and galling of internal threads are likely to occur. Applications: ● For blind hole machining of deep holes exceeding nominal x 2. ● Work material: low carbon steel, cast steel. Specifications: ● Precision: OH2 ● Precision notation: STD ● Nominal size: M12 ● Pitch (mm): 1.75 ● Thread length (mm): 18 ● Total length (mm): 82 ● Shank diameter (mm): 8.5 ● Shank square section (mm): 6.5 ● Pilot hole diameter (mm): 10.25 ● Number of engagement threads: 2.5 threads ● Machined thread: Metric thread ● Surface treatment: Homo treatment ● Tap grade: OH grade Material/Finish: ● High speed steel (HSS-E)