THSG - UNC Spiral Point and Spiral Flute Taps
In stock
SKU
THSGUNCSP
M2 High Speed Steel Precision ground thread Class 2B ISO R.529 BS949 Pt 2
Parallel shank with square Spiral Point “Gun Nose” Right hand threading
Usually stocked in blue temper finish for UNC threads to ANSI B1.1
Suitable for production tapping in most materials. Point geometry pushes chips forward—not suitable for blind holes.
Useful in thin to medium sections.
M2 High Speed Steel Precision ground thread Class 2B ISO R.529 BS949 Pt 2
Parallel shank with square Spiral Fluted Right hand threading
Usually stocked in bright ground finish for UNC threads to ANSI B1.1
Suitable for production tapping in deeper holes and in free-cutting materials. Spiral geometry draws chips upwards
Can be used for blind holes. Effective in aluminium