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Diamond, Summa Point 637 - Otto Frei
Otto Frei

Diamond, Summa Point 637

Part # 111.637 24 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 637 is a precision hourglass-shaped diamond bur designed for exacting work in stone carving and hard metal shaping. Featuring a 1/16" shank, this bur delivers the control and accuracy demanded by professional jewelers and metalsmiths working on intricate detail work. The distinctive hourglass geometry measures 1.30mm diameter tapering to 1.05mm diameter, ending in a 1.15mm wide by 3.45mm tall tip profile—ideal for reaching into tight contours and refining surfaces with confidence.

Features

  • Hourglass-shaped working end for precise carving and contouring
  • Diamond abrasive surface suited for hard metals and gemstones
  • 1/16" shank compatible with standard flex shaft and rotary handpieces
  • Made in Japan by Shofu Dental for consistent, professional-grade performance
  • Tapered profile allows access to tight areas and intricate designs

Specifications

Shape Hourglass (Summa Point 637)
Shank Diameter 1/16"
Diameter (top) 1.30mm
Diameter (bottom) 1.05mm
Tip Width 1.15mm
Tip Height 3.45mm
Abrasive Type Diamond
Country of Origin Japan
Manufacturer Shofu Dental
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
111.637
Type
Burs
Dimensions
1.25 in x 1.25 in x 0.75 in
Shape
Hourglass (Summa Point 637)
Shank Diameter
1/16"
Diameter (top)
1.30mm
Diameter (bottom)
1.05mm
Tip Width
1.15mm
Tip Height
3.45mm
Abrasive Type
Diamond