Skip to content
Contact Us Jewelry School Partners Frequently Asked Questions Submit Tax Exemption
Diamond, Summa Point 657 - Otto Frei
Otto Frei

Diamond, Summa Point 657

Part # 111.657 137 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 657 is a precision diamond bur designed for fine carving work on stones and hard metals. Featuring a 1/16" shank and manufactured in Japan by ShoFu Dental, this bur delivers the consistent performance and tight tolerances that professional jewelers and metalsmiths demand for detailed, controlled material removal.

Features

  • Diamond-coated tip engineered for precise carving of stones and hard metals
  • 1/16" shank for compatibility with standard handpiece collets accepting that shank size
  • Manufactured in Japan by ShoFu Dental for consistent quality and dimensional accuracy
  • Summa Point 657 profile suited to detailed, intricate work at the bench

Specifications

Shank Size 1/16"
Manufacturer ShoFu Dental
Country of Origin Japan
Profile Summa Point 657
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
111.657
Type
Burs
Dimensions
1.25 in x 1.25 in x 0.75 in
Shank Size
1/16"
Profile
Summa Point 657