Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides

PreciseBIT 2-flute, Micro-engraving, PCB Traces Isolation Bits (EM2E8) - (0.125" shank)

Engraving / Metal Cutting
  • Geometry - 2-flute, "V" point
  • Tip diameter - 0.0050 in. ±0.0002 in.
  • Length - indicated ±0.010 in. (30° 1.50 in. ±0.010 in.)
  • Tip angle - nominal ± 0.5°
  • Max. depth of cut - DOC (penetration) varies by tip angle
    • 30° - 0.177 in. (4.5mm)
    • 45° - 0.075 in. (1.9mm)
    • 60° - 0.054 in. (1.4mm)
    • 90° - 0.031 in. (0.8mm)
  • Max runout (TIR) - < 0.0005 in.
  • Shank dia. - 0.1250 in. (3.18 mm) +0.00, -0.0002 in.
  • Anticipated Life - 3,000 linear inches (fiberglass, 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
Carbide 2-flute V-tip FR4, G10 and carbon fiber, engraving, scoring and beveling micro tools

30° tip

2-flute V-tip micro engraving, carving and PCB trace isolation, mechanical milling micro tools

ZrN Coated 60° tip

LPKF and T-Tech users must specify the make and model number of their CNC routers to insure that the rings are properly positioned!

30° V-tip designed for scrimshaw engraving in ivory, horn, phenolics, and all hardwoods. Not optimized for metal engraving, or PCB trace isolation


Order over US$50 and get $5 off shipping!
Depth setting ring
Item # Description Unit Price Depth Ring Enter Qty.
EM2E8-0625-40V  40° "V" point, PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $12.66   
EM2E8-0625-40VC  40° "V" point, ZrN coated PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $15.66   
EM2E8-0625-45V  45° "V" point, PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $12.66   
EM2E8-0625-45VC  45° "V" point, ZrN coated PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $15.96   
EM2E8-0625-60V  60° "V" point, PreciseBIT 2-flute Scoring / Engraving bi, 0.005in tip dia.,1.42 in. (36mm) OAL   $10.85   
EM2E8-0625-60VC  60° "V" point, ZrN coated PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $14.14   
EM2E8-0625-90V  90° "V" point, PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $10.84   
EM2E8-0625-90VC  90° "V" point, ZrN coated PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.42 in. (36mm) OAL   $14.14   
EM2E8-0945-30V  30° "V" point, PreciseBIT 2-flute Scoring / Engraving bit, 0.005in tip dia.,1.50 in. (38.1mm) OAL   $10.12   
EM2E8-0945-30VC  30° "V" point, ZrN coated PreciseBIT 2-flute Scoring / Engraving bit, 0.005in. tip dia., 1.50in. (38mm) OAL   $13.42   
Enter the desired quantity (Enter Qty) then click on the "Add to Cart" Button.

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Open Monday - Friday, 08:30 to 16:30 Mountain Time.

Most orders received before noon ship within one business day,
subject to credit approval and item availability.
Orders with different billing and shipping
addresses may be delayed for address verification.