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Diamond, Summa Point 638 - Otto Frei
Otto Frei

Diamond, Summa Point 638

Part # 111.638 65 In Stock Weight -- lb / -- g
$3.00
Volume pricing
Total qty Discount Per unit You save
1 — $3.00 —
2 – 3 5% off $2.85 $0.15
4 – 11 7% off $2.79 $0.21
12 + 10% off $2.70 $0.30
Add 1 more for 5% off, saves another $0.15 each.

The Diamond Summa Point 638 is a precision hourglass-shaped diamond bur designed for detailed carving work on stones and hard metals. Featuring a 1/16" shank, this bur measures 1mm in diameter, tapering to 0.7mm, and ends in a 1mm tip that is 2.2mm tall. Manufactured in Japan by Shofu Dental, it delivers the consistency and quality that professional jewelers and metalsmiths demand for exacting bench work.

Features

  • Hourglass profile for controlled, precise carving geometry
  • Diamond abrasive surface suited for hard metals and stones
  • 1/16" shank compatible with standard rotary handpieces
  • Manufactured in Japan by Shofu Dental for professional-grade quality

Specifications

Shape Hourglass (Summa Point 638)
Shank Size 1/16"
Diameter (top) 1mm
Diameter (waist) 0.7mm
Tip Diameter 1mm
Tip Height 2.2mm
Abrasive Diamond
Manufacturer Shofu Dental
Country of Origin Japan
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
111.638
Type
Burs
Dimensions
1.25 in x 1.25 in x 0.75 in
Shape
Hourglass (Summa Point 638)
Shank Size
1/16"
Diameter (top)
1mm
Diameter (waist)
0.7mm
Tip Diameter
1mm
Tip Height
2.2mm
Abrasive
Diamond