TOTEM HSS TAP BIT M12 (FAA0202141)
Metric hand-tap set for creating internal threads of size M12 × 1.75 mm (coarse metric thread).
Made from high-speed steel (HSS) for hardness, wear resistance, and durability.
Includes three taps: taper tap (for starting the thread), intermediate tap (for deepening), and bottoming tap (for finishing threads in blind or through holes).
Uses / Advantages:
Creates internal threads to fit M12 bolts or screws.
Suitable for materials like steel, aluminium, brass, and mild steel.
Can be used for both through-holes and blind-holes.
Useful in workshops, repairs, maintenance, DIY metalwork, automotive work, and fabrication.
Specifications:
Thread size: M12 × 1.75 mm.
Material: High-Speed Steel (HSS).
Set includes: taper tap, intermediate tap, bottoming tap.
Recommended pilot drill size before tapping: approximately 10.2 mm.
Limitations / Notes:
Proper pilot hole is essential; incorrect size can cause thread failure or tap breakage.
Use cutting fluid or lubricant to reduce heat and improve thread finish.
Tap straight and avoid excessive force; periodically back off to clear metal shavings.
When tapping blind holes, use the bottoming tap carefully to avoid damaging the bottom of the hole.