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Metric Coarse Spiral Point
HSS - EV. Oxidised finish. Tolerance 6H.
Machine Taps Spiral Point/Gun Nose
With straight flutes and short fluted helix at point. Ideal for tapping through holes as swarf is directed ahead of the tap. Flutes are narrower than those of taps required to pull swarf towards the shank and act as lubricant channels, giving greater tap rigidity. Manufactured to BS 949: Part 4: 1990 and ISO 529 : 1975.
High Performance Machine Taps
Made from a super grade high speed steel with extra vanadium content. This has a distinct advantage with taps, by increasing wear resisting properties and extending tool life significantly. These taps are intended for general application where consistent results and improved tool life are important. Threads can be produced in a range of steels, including stainless and cast steels as well as some long chip non-ferrous materials.
Oxidised Finish (Black)
Special heat treated finish gives resistance to rust and reduces metal to metal friction. Combined with a porous surface that gives optimum lubricant retention, work-generated heat is minimised, giving prolonged cutting edge life. Use on higher carbon steels cast materials high silicon aluminiums.
| Thread Standard | Metric Coarse |
| Thread Length | 29.00mm |
| Ring Colour | No Coloured Ring |
| Material Application | Aluminium Alloys | Cast Materials | Hardened Steel |
| Pitch | 1.75 |
| Dimensions Standard | BS 949 | ISO 529 |
| Thread Direction | Right Hand |
| Square Width | 7.1mm |
| Material | Vanadium High Speed Steel |
| Thread Size | M12 |
| Number of Flutes | 3 |
| Overall Length | 89mm |
| Coolant Delivery | External |
| Finish/Coating | Steam Tempered |
| Class of Fit | 6H |
| Shank Diameter | 9.0mm |
| Material Grade | M35 |
| Tap Type | Spiral Point |
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