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Precise Bits

Thank you for your interest in Precise Bits specialty cutters. **Please allow an additional 3-4 business days for delivery of cutting tools.** If you don't see what you are looking for, please email us at bits@gurianinstruments.com


Down-cut End-Mills

The high-rake, down-cut flute geometry of these tools virtually eliminates top surface burring and fraying. This tool was designed specifically for cutting the sound holes and rosette pockets common on...

From $10.16

Shell Cutters

After years of experimenting with different flute geometries, tip designs and cutting parameters, we finally have a cutter that is optimized for high-speed cutting of natural mother-of-pearl and abalone. Superior...

From $15.72

Fret Cutters

UltraBIT fret cutters were designed specifically for cross-grain cutting in ebony and dry rosewood. They are used for cutting the fret slots (kerfs) in fingerboards and for executing the clean-up...

From $21.82

Diamond-cut Router Bits

Our 6-flute PreciseBIT contour routers have been optimized for contour-cutting of glass-filled engineering composites (e.g. FR-4 fiberglass) and reconstituted stone products with high (>70%) mineral content. These tools boast very...

From $5.25

2-flute, V-Tip Bits (EM2E4) – (0.2500" shank )

Designed specifically for the dimensional signage and egraving markets, our 2-flute solid-carbide "V" cutters feature polished, high-rake cutting edges capable of producing a surface finish suitable for edge-lit transparent signs...

From $17.55

ColletCare Spindle Cleaner and Lubricant

Son of ColletCare® (SOC) has been specifically designed to clean and protect the precision-ground tapered bores, tool holders and collets common to most premium high-speed spindles and routers. Comprised of...

From $14.96

2-flute DeepReach High Aspect-ratio End-mills

Deep cutting end-mills optimized for shaping the sheet goods commonly used in the manufacture of dimensional signage, including HDU and PVC. The flute geometry has been tuned to insure smooth...

From $32.95

2-flute, Micro-engraving Bits

Designed specifically for the dimensional signage and egraving markets, our 2-flute solid-carbide "V" cutters feature polished, high-rake cutting edges capable of producing a surface finish suitable for edge-lit transparent signs...

From $11.13

3 and 4 Flute Tapered Ball-Nose Carving tools packs

The 1/4 in. shank and 1.00 in. depth of cut (DOC) in this tool family are designed for deep machining in large format dimensional signage as well as very detailed...

From $172.16

2-flute DeepReach High Aspect-ratio Ball-nose End-mills

Deep cutting end-mills optimized for shaping the sheet goods commonly used in the manufacture of dimensional signage, including HDU and PVC. The flute geometry has been tuned to insure smooth...

From $34.05

2-flute Chamfering / Engraving / Cutout Bits

Designed specifically for the dimensional signage and egraving markets, our 2-flute solid-carbide "V" cutters feature polished, high-rake cutting edges capable of producing a surface finish suitable for edge-lit transparent signs...

From $13.21

2 Flute Tapered Ball-Nose Carving tools packs

The 1/4 in. shank and 1.00 in. depth of cut (DOC) in this tool family are designed for deep machining in large format dimensional signage as well as very detailed...

From $156.48