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Busch 909-040 Diamond 4.00mm Round-Edge Wheel Bur on 3/32" Shanks
Busch Burs

Busch 909-040 Diamond 4.00mm Round-Edge Wheel Bur on 3/32" Shanks

Part # B118.840 10 In Stock Weight <0.1 lb / <5 g
$7.33
Volume pricing
Total qty Discount Per unit You save
1 – $7.33 –
2 – 3 5% off $6.96 $0.37
4 – 11 7% off $6.82 $0.51
12 + 10% off $6.60 $0.73
Add 1 more for 5% off, saves another $0.37 each.

Availability Sold out

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Description

This diamond round-edge wheel bur brings precision shaping and flush-setting control to the bench, cutting a 4.00 mm profile suited to fine detail work in precious metals. The Busch 909-040 features a diamond abrasive surface, ideal for forming uniform stone seats, sculpting flat-bottomed channels, and contouring edges on platinum and gold. The rounded wheel profile helps bring controlled shaping into compact, detailed work areas. The bur is mounted on a 3/32 in. shank for standard handpiece use.

Features

  • Diamond abrasive surface for precision jewelry and metalsmithing work
  • Round-edge wheel profile, also commonly described as a donut shape
  • Designed for flush-setting and stone-seat preparation
  • Suitable for sculpting flat-bottomed channels and clean edge contours
  • Intended for use on precious metals including platinum and gold
  • Sold individually

Notes

What you get:

  • One Busch 909-040 diamond round-edge wheel bur.

Specifications

Brand
Busch Burs
Part #
B118.840
Type
Burs
Bur Series
909
Head Diameter
4.00 mm (0.157 in)
Shape
Round-edge wheel
Shank Diameter
3/32 in (2.35 mm)
Abrasive Material
Natural diamond grit
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

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