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Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm - Otto Frei
Busch Burs

Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm

Part # B118.498 9 In Stock Weight -- lb / -- g
$26.10
Volume pricing
Total qty Discount Per unit You save
1 — $26.10 —
2 – 3 5% off $24.79 $1.31
4 – 11 7% off $24.27 $1.83
12 + 10% off $23.49 $2.61
Add 1 more for 5% off, saves another $1.31 each.

Pack Size Options

Sold in packs. See Product Description for quantity.

Bur Size: .70mm

These 90 degree hart burs are precision steel burs for cutting, opening, and refining angular seats and details in jewelry work. At the bench, they feel crisp and controlled where a clean edge matters. Manufactured by Busch to ultra-high precision tolerances, Fig. 156C hart burs are a reliable choice for stone setting, seat preparation, and fine detail work across a broad range of sizes.

Features

  • 90 degree hart bur profile for precise angular cutting and seat preparation
  • European Fig. 414 / USA Fig. 156C pattern reference
  • Made from tungsten vanadium steel
  • Manufactured to ultra-high precision tolerances
  • 30 size options available, from 0.70 mm to 3.70 mm
  • Sold in packs of 6

Specifications

Bur Figure Fig. 156C
Figure Reference European Fig. 414 / USA Fig. 156C
Bur Profile Hart, 90 degree
Material Tungsten vanadium steel
Available Size Range 0.70–3.70 mm (0.028–0.146 in.)
Sales Unit Sold in packs of 6

Available Options

Part # Bur Size (mm) Bur Size (in.)
B118.498 0.70 mm 0.028 in.
B118.499 0.80 mm 0.031 in.
B118.500 0.90 mm 0.035 in.
B118.501 1.00 mm 0.039 in.
B118.502 1.20 mm 0.047 in.
B118.503 1.40 mm 0.055 in.
B118.504 1.50 mm 0.059 in.
B118.505 1.60 mm 0.063 in.
B118.506 1.80 mm 0.071 in.
B118.506.5 1.90 mm 0.075 in.
B118.507 2.10 mm 0.083 in.
B118.508 2.30 mm 0.091 in.
B118.509 2.50 mm 0.098 in.
B118.510 2.70 mm 0.106 in.
B118.511 2.90 mm 0.114 in.
B118.512 3.10 mm 0.122 in.
B118.513 3.30 mm 0.130 in.
B118.514 3.50 mm 0.138 in.
B118.515 3.70 mm 0.146 in.
B118.521 0.95 mm 0.037 in.
B118.522 1.10 mm 0.043 in.
B118.523 1.30 mm 0.051 in.
B118.524 1.42 mm 0.056 in.
B118.525 1.58 mm 0.062 in.
B118.526 1.70 mm 0.067 in.
B118.527 2.00 mm 0.079 in.
B118.528 2.20 mm 0.087 in.
B118.529 2.40 mm 0.094 in.
B118.530 2.60 mm 0.102 in.
B118.531 2.80 mm 0.110 in.

Notes

Want to buy several sizes quickly? Open the Quick Order tab to add multiple variants at once.

California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Busch Burs
Part #
B118.498
Type
Burs
Dimensions
2 in x 1 in x 0.25 in
Bur Figure
Fig. 156C
Figure Reference
European Fig. 414 / USA Fig. 156C
Bur Profile
Hart, 90 degree
Material
Tungsten vanadium steel
Available Size Range
0.70–3.70 mm (0.028–0.146 in.)
Sales Unit
Sold in packs of 6