Bulk Spruce Bracebars AAA-AA grade

This bulk box of spruce bracewood quarter sawn is an excellent option for luthiers and workshops looking for a practical and cost-effective supply of bracing material. The box contains a mixed selection of AAA and AA quality spruce, suitable for a wide range of acoustic instrument bracing applications.

Each piece has a length between 40–60 cm (15.7–23.6 in), width ranging from 5–12 cm (2–4.7 in), and a consistent thickness of 30 mm (1.18 in), allowing flexibility in selecting and shaping braces according to your needs. The spruce is well suited for soundboard bracing, offering a good balance between strength, weight, and tonal performance.

Box details:

• Box dimensions: 63 × 28 × 16 cm (24.8 × 11 × 6.3 in)

• Total weight: approx. 10 kg (≈22 lbs)

• Wood species: European spruce

• Quality: Mixed AAA & AA

• Length per piece: 40–60 cm (15.7–23.6 in)

• Width per piece: 5–12 cm (2–4.7 in)

• Thickness: 30 mm (1.18 in)

  Botanical name: Picea abies or Picea excelsa

  Common name: European Spruce, Carpathian Spruce, German Spruce,  Pino Abeto

  Average Dried Weight: 25 lbs/ft³ (405 kg/m³)

  Specific Gravity (Basic, 12% MC): .32, .41

  Janka Hardness: 380 lb_f (1,680 N)

  Modulus of Rupture: 9,130 lb_f/in² (63.0 MPa)

  Elastic Modulus: 1,406,000 lb_f/in² (9.70 GPa)

  Crushing Strength: 5,150 lb_f/in² (35.5 MPa)

  Shrinkage: Radial: 3.9%, Tangential: 8.2%, Volumetric: 12.9%, T/R Ratio: 2.1

  Harvested in Carpathian Mountains