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Round Spring Steel Wire 36" Coil - Otto Frei
Otto Frei

Round Spring Steel Wire 36" Coils-15 Gauge to 31 Gauge

Part # 143.715 Only 2 left Weight -- lb / -- g
$6.40
Gauge: 15 Gauge

Description

Round spring steel wire supplied in a 36-inch coil for precision parts and mechanisms that require consistent spring action. The tempered wire holds its shape and resilience, ready for forming straight from the coil. Available in 16 B&S gauge sizes ranging from 15 gauge to 31 gauge, this wire suits watchmakers, jewelers, and metalsmiths working on small mechanical components.

Features

  • Spring steel wire for resilient, repeatable spring action
  • Tempered and ready for use — no additional heat treatment required
  • Round wire profile for uniform bending and forming
  • Suitable for watch parts, loupe springs, and small mechanical components
  • Available in a wide range of B&S wire gauge sizes from 15 to 31 gauge
  • Supplied in a convenient 36-inch coil

Specifications

Material Spring Steel
Wire Shape Round
Temper Tempered
Coil Length 36 in (914 mm)
Gauge Standard B&S (Brown & Sharpe)
Gauge Range 15 Gauge – 31 Gauge

Available Options

Part # Gauge Wire Diameter
143.715 15 Gauge 0.0571 in (1.450 mm)
143.716 16 Gauge 0.0508 in (1.291 mm)
143.717 17 Gauge 0.0453 in (1.150 mm)
143.718 18 Gauge 0.0403 in (1.024 mm)
143.719 19 Gauge 0.0359 in (0.912 mm)
143.720 20 Gauge 0.0320 in (0.812 mm)
143.721 21 Gauge 0.0285 in (0.723 mm)
143.722 22 Gauge 0.0253 in (0.644 mm)
143.724 24 Gauge 0.0201 in (0.511 mm)
143.725 25 Gauge 0.0179 in (0.455 mm)
143.726 26 Gauge 0.0159 in (0.405 mm)
143.727 27 Gauge 0.0142 in (0.361 mm)
143.728 28 Gauge 0.0125 in (0.321 mm)
143.729 29 Gauge 0.0113 in (0.286 mm)
143.730 30 Gauge 0.0100 in (0.255 mm)
143.731 31 Gauge 0.0089 in (0.227 mm)

Notes

Wire is supplied coiled and tempered, ready for forming without additional heat treatment. Part # 143.717 (17 Gauge) appears in the source specifications but is not listed as a selectable variant—confirm availability before ordering. This product carries a California Proposition 65 warning.

Specifications

Brand
Otto Frei
Part #
143.715
Type
Metal Stock
Country of Origin
United States
Dimensions
4 in x 4 in x 0.1 in
Material
Spring Steel
Wire Shape
Round
Temper
Tempered
Coil Length
36 in (914 mm)
Gauge Standard
B&S (Brown & Sharpe)
Gauge Range
15 Gauge – 31 Gauge
California Prop 65 Warning California Prop 65 Warning:
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. www.P65warnings.ca.gov.

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