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Swiss 90 Degree Hart Bur Kit 17 Pieces 0.90mm To 4.00mm - Otto Frei
Otto Frei Swiss Burs

Swiss 90 Degree Hart Bur Kit 17 Pieces 0.90mm To 4.00mm

Part # 118.009 In Stock Weight -- lb / -- g
$70.00
Volume pricing
Total qty Discount Per unit You save
1 — $70.00 —
2 – 3 5% off $66.50 $3.50
4 – 11 7% off $65.10 $4.90
12 + 10% off $63.00 $7.00
Add 1 more for 5% off, saves another $3.50 each.

This 17-piece kit brings together Swiss-made Tungsten Vanadium 90° Hart Burs in a comprehensive size range — from 0.90mm through 4.00mm — purpose-built for prong and channel stone setting. Each bur is machine-made to ultra-high precision tolerances, delivering smooth, clean cuts in precious metal with no chatter or drag.

Tungsten Vanadium steel burs are the most widely used burs in the jewelry industry. Unlike High Speed Steel (HSS) burs, which are individually hand-cut and vary from piece to piece, Tungsten Vanadium burs are uniformly consistent in geometry and performance. While HSS burs offer greater long-term durability, Tungsten Vanadium burs provide exceptional precision at a lower cost — making them the preferred choice for everyday bench work.

This kit is assembled from Otto Frei Swiss burs, produced on the most modern equipment available and hardened using Swiss steel know-how — making this line a top seller at Otto Frei. All burs feature a 3/32" diameter shank and arrive organized in a round plastic holder for easy bench access.

Features

  • 90° Hart bur geometry ideal for prong and channel stone setting
  • Machine-made to ultra-high precision tolerances for uniform, consistent geometry
  • Cuts precious metal smoothly and cleanly — no chatter or drag
  • Tungsten Vanadium steel construction: consistent performance across every bur
  • 3/32" diameter shank fits standard flex-shaft handpieces and rotary tools
  • 17 burs spanning 0.90mm–4.00mm in a single kit
  • Includes a round plastic bur holder for organized storage

Specifications

Bur Type 90° Hart Bur
Material Tungsten Vanadium Steel
Origin Swiss Made
Shank Diameter 3/32"
Piece Count 17 burs + 1 round plastic holder
Size Range 0.90mm – 4.00mm

What's Included

  • 118.500 – Hart Bur 0.90mm
  • 118.501 – Hart Bur 1.00mm
  • 118.502 – Hart Bur 1.20mm
  • 118.503 – Hart Bur 1.40mm
  • 118.504 – Hart Bur 1.50mm
  • 118.505 – Hart Bur 1.60mm
  • 118.526 – Hart Bur 1.70mm
  • 118.506 – Hart Bur 1.80mm
  • 118.507 – Hart Bur 2.10mm
  • 118.508 – Hart Bur 2.30mm
  • 118.509 – Hart Bur 2.50mm
  • 118.510 – Hart Bur 2.70mm
  • 118.512 – Hart Bur 3.10mm
  • 118.513 – Hart Bur 3.30mm
  • 118.514 – Hart Bur 3.50mm
  • 118.515 – Hart Bur 3.70mm
  • 118.516 – Hart Bur 4.00mm
  • 119.248 – Round Plastic Bur Holder
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei Swiss Burs
Part #
118.009
Type
Burs
Dimensions
2.25 in x 2.25 in x 2.75 in
Bur Type
90° Hart Bur
Material
Tungsten Vanadium Steel
Shank Diameter
3/32"
Piece Count
17 burs + 1 round plastic holder
Size Range
0.90mm – 4.00mm