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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.
Runout (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

4-flute plunge tip insures long life and quiet operation
Cutting edge geometry virtually eliminates chatter at high feed rates
Optimized for scoring, beveling, carving and engraving non-ferrous metals, hardwoods, phenolics, stabilized woods and composite minerals.

Dimensional signage
Engraving plaques, awards, medallions, and labels (water based cutting fluid recommended)
PCB beveling and countersinking

Mechanical Etching of Printed Circuit Boards (PCB)
Finding the best comnination of feed and speed

Carbide 4-flute countersink for PCB, copperclad, phenolics, wood, plastics, composites and non-ferrous metals

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	Description	Reviews	Part Number	Price
	60° Scoring / Engraving 4-flute Countersink 1.50in. (38mm) OAL		EM4E8-2500-060V	$28.89
	82° Scoring / Engraving 4-flute Countersink 1.50in. (38mm) OAL		EM4E8-2500-082V	$28.89
	90° Scoring / Engraving 4-flute Countersink 1.50in. (38mm) OAL		EM4E8-2500-090V	$28.89
	100° Scoring / Engraving 4-flute Countersink 1.50in. (38mm) OAL		EM4E8-2500-100V	$28.89
	120° Scoring / Engraving 4-flute Countersink 1.50in. (38mm) OAL		EM4E8-2500-120V	$28.89