Westward
Westward 5TWL5 Spiral Point Tap M12-1.75 3 Flutes Bright
M12x1.75 metric coarse spiral-point tap with three flutes for through-hole threading in high-speed steel
- TypeHole, Drill, Bore & Wire Gauges
- Metric coarse M12 thread cuts cleanly in through-holes
- Spiral point design pushes chips forward for smooth tapping
- Three-flute construction balances strength and chip clearance
- Bright high-speed steel resists wear without coating buildup
- 3B class fit delivers precise thread engagement
M12×1.75 metric coarse threading
This Westward spiral point tap cuts right-hand M12 threads with a 1.75 mm pitch. The plug chamfer and three-flute design push chips ahead of the cut, making it suited for through-hole work in steel and similar materials. Bright high-speed steel construction keeps the tool affordable for occasional use.
Replaces worn or undersized taps
Switch to this D6 limit, Class 3B tap when an existing tool no longer holds tolerance or when a job calls for a standard metric coarse fit. The jump is worth it if the previous tap left oversize threads, chipped on hard spots, or could not clear chips in a through hole.
Steady cutting in through holes
The spiral point geometry ejects chips forward so they do not pack the flutes during a continuous pass. Bright finish means no coating to wear off, so performance stays consistent as long as the cutting edges remain sharp and lubrication is adequate.
Highlights
- Metric coarse M12 thread cuts cleanly in through-holes
- Spiral point design pushes chips forward for smooth tapping
- Three-flute construction balances strength and chip clearance
- Bright high-speed steel resists wear without coating buildup
- 3B class fit delivers precise thread engagement
Specifications
| Brand | Westward |
|---|---|
| Type | Hole, Drill, Bore & Wire Gauges |
Questions about this item
What size tap wrench or holder fits the M12 shank on this spiral-point tap?
The M12 x 1.75 tap has a standard metric shank diameter; choose a tap wrench or adjustable holder rated for M12 taps to match the 3 3/8 in overall length.
How do you start the tap straight in a drilled hole, and what step do people skip?
Drill the correct tapping drill for M12 x 1.75, apply cutting fluid, align the plug-chamfered start squarely, and turn the tap with steady pressure — skipping the alignment check is the common error.
When should this bright-finish high-speed-steel tap be replaced or resharpened?
Replace or resharpen when the three flutes show worn cutting edges, chip clearance drops, or threads produced fall outside the 3B class of fit.
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