Seiko Instruments Inc.Drill Bits
Precision Turned Parts Business

Carbide reamer

SII carbide reamers are the most suitable for finishing process of the components requiring hole surface roughness. Our strength lies in our custom-made tools including multi-stage combined reamers.

Half-round reamer

  • Cutting edge diameter: Φ0.3mm - Φ5.95mm
  • For processing watch and stationery precision parts, probes and other precision parts
for Watch Part ProcessingFor pen tip processingfor Probe ProcessingFor precision component processing
Half-round reamer

Half round tapered reamer

  • Cutting edge diameter: Φ0.3mm - Φ5.95mm
  • For watch and other precision component processing
for Watch Part ProcessingFor precision component processing
Half round tapered reamer

Straight multi-flute reamer

  • Cutting edge diameter: Φ0.5mm - Φ5.95mm
  • For processing watch and stationery precision parts, probes and other precision parts
for Watch Part ProcessingFor pen tip processingfor Probe ProcessingFor precision component processing
Straight multi-flute reamer

Spiral reamer

  • Cutting edge diameter: Φ2mm - Φ5.95mm
  • For precision component processing
For precision component processing
Spiral reamer

Multi-stage combined spiral reamer

  • Cutting edge diameter: Φ2mm-Φ5.95mm
  • For precision component processing
For precision component processing
Multi-stage combined spiral reamer