Bộ mũi khoan kim loại HSS, kèm mũi taro ren thô, 22 chi tiết SATA 50454

SATA 50454 22-Piece HSS Metal Drill and Coarse Tap Set
22Pcs Speed Steel Coarse Tap Twist Set
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Product includes:
　‣　14 hand taps (Taper Tap & Second Tap): M3×0.5 | M4×0.7 | M5×0.8 | M6×1.0 | M8×1.25 | M10×1.5 | M12×1.75 (2 taps per size)
　‣　7 HSS twist drills: Ø2.5 | Ø3.3 | Ø4.2 | Ø5.0 | Ø6.8 | Ø8.5 | Ø10.2mm
　‣　1 steel tap wrench: M3–M12
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Specifications
Tap material: HSS 6542 high-speed steel, fully ground
Surface treatment: Vapor Oxide to reduce friction, prevent chip adhesion, and extend tool life
Workpiece material: Carbon steel, alloy steel, and cast iron.
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Highlights
★　The set includes a full range of taps and corresponding pilot drills for common metric thread sizes from M3 to M12, convenient for threading operations.
★　Taps are made from HSS 6542 high-speed steel, fully ground, for high precision, sharp cutting, and superior lifespan.
★　Vapor Oxide surface treatment helps taps run smoother, reduces chip adhesion, and enhances tool durability.
★　Equipped with a steel tap wrench for sizes M3–M12, ensuring a secure grip and efficient torque transmission.
★　Suitable for threading carbon steel, alloy steel, and cast iron, meeting the needs of mechanical workshops, equipment maintenance, and professional machine manufacturing.