Our triangular CBN bit is said “full face”, meaning that the CBN coating is applied on a triangular base of steel, creating 3 cutting edges (composing the three segments of this triangle), which are commutable.
When one cutting edge is worn, just tilt the bit of a 120° angle on the bit holder and machine with one of the two remaining edges.
It owns some 11 mm long edges, allowing to machine some seat segments that wide maximum.
This bit only allows re-machining of the seat angle (no possibility to make form-tool machining with this bit).
Contrary to the SCS tooling system, the variation of this angle is not given by the cutting bit but by the bit holder.
The TRI system is composed of 2 series of 6 bit holders mounting on the tool holders SERDI S5710 and S5731.
Triangular cutting bit 6mm OR 11mm edges








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