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Cobalt Steel Twist Drill Complete Set of 19 on 3/32" Shanks-0.50mm to 2.20mm - Otto Frei
Otto Frei

Cobalt Steel Twist Drill Complete Set of 19 on 3/32" Shanks-0.50mm to 2.20mm

Part # 128.701 In Stock Weight <0.1 lb / <5 g
$122.00
Volume pricing
Total qty Discount Per unit You save
1 – $122.00 –
2 – 3 5% off $115.90 $6.10
4 – 11 7% off $113.46 $8.54
12 + 10% off $109.80 $12.20
Add 1 more for 5% off, saves another $6.10 each.

Description

This Complete Set of 19 Cobalt Steel Twist Drills provides a full size range from 0.50 mm to 2.30 mm, each mounted on 3/32" shanks for fast, convenient tool changes. Cobalt steel delivers longer tool life than high speed steel, especially when drilling harder materials such as nickel-based white golds and stainless steels. The result is consistent cutting performance across both tough alloys and softer precious metals.

Features

  • Cobalt steel construction for extended tool life over HSS
  • Performs especially well in nickel-based white golds and stainless steels
  • Long service life when drilling yellow gold, silver, brass, and copper
  • All drills mounted on 3/32 in (2.35 mm) shanks
  • Ideal for fixed collet and quick change handpieces
  • Complete size progression for precision drilling tasks

Specifications

Material Cobalt Steel
Shank Diameter 3/32 in (2.35 mm)
Size Range 0.50–2.30 mm
Set Quantity 19 Pieces
Application Drilling Precious and Hard Metals

What’s Included

Part # Size
128.705 0.50 mm
128.706 0.60 mm
128.707 0.70 mm
128.708 0.80 mm
128.709 0.90 mm
128.710 1.00 mm
128.711 1.10 mm
128.712 1.20 mm
128.713 1.30 mm
128.714 1.40 mm
128.715 1.50 mm
128.716 1.60 mm
128.717 1.70 mm
128.718 1.80 mm
128.719 1.90 mm
128.720 2.00 mm
128.721 2.10 mm
128.722 2.20 mm
128.723 2.30 mm

Notes

  • Use appropriate speeds and lubrication when drilling harder alloys to maximize tool life.
  • Because cobalt steel is harder and more brittle than HSS, apply steady pressure and avoid excessive side loading.

Specifications

Brand
Otto Frei
Part #
128.701
Type
Drills
Dimensions
2.25 in x 2.25 in x 2.75 in
Material
Cobalt Steel
Shank Diameter
3/32 in (2.35 mm)
Size Range
0.50–2.30 mm
Set Quantity
19 Pieces
Application
Drilling Precious and Hard Metals
California Prop 65 Warning California Prop 65 Warning:
This product can expose you to cobalt, which is known to cause cancer. www.P65warnings.ca.gov.

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