Think & Tinker, Ltd.
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PreciseBIT 4-flute Scoring / Engraving Countersinks
- Geometry - 4 flute, 1/4 in. (6.35mm) dia. 1/8 in. (3.18 mm) shank, "V" point
- Length - indicated ±0.010 in.
- Tip angle - nominal ± 0.5°
- Max. depth of cut - DOC (penetration) varies by tip angle:
- 60° - 0.217 in. (5.5mm)
- 82° - 0.144 in. (3.7mm)
- 90° - 0.125 in. (3.2mm)
- 100° - 0.105 in. (2.7mm)
- 120° - 0.072 in. (1.8mm)
- Shank dia. - 0.1250 in. (3.18 mm) +0.00, -0.0002 in.
(TIR) - 0.0002 in. max
- Max. depth of cut - EFL varies by tip angle
- Anticipated Life - 6,000 linear inches (phenolic, CNC milling)
- Material - solid submicrograin carbide
- Ring Set - 0.800 in. ± 0.002 in. (optional)
- Operating RPM - CNC certified operation 20k RPM to 100k RPM
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