Dia 11 mm to Ø 60 mm
High-precision Solid 304 A2 Stainless Steel Beads Balls
Hobby Model Craft Art Spheres Through Hole 
 
High-quality raw materials, environmental protection and safety, lead-free, non-toxic, high-precision, good wear and durability, good waterproof, rust, corrosion, acid and alkali resistance. 
 
Excellent workmanship, fine grinding and polishing on the surface. Round and smooth without burrs. This ball is a hole drilled on a solid stainless steel ball, and the inner hole diameter will have a tolerance of about ±0.1mm.
 
Tips: A typical representative of austenitic steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties, and is non-magnetic, but after polishing, it will be weakly magnetic . 
 
Widely used in decorations, teaching experiments, mechanical accessories, hardware accessories, crafts, DIY Model, etc.
 
● Standard: GB/T 3280-2015
● Material: A2 Stainless Steel ( 304 Stainless Steel )(06Cr19Ni10)( ASTM304 )
● Hardness: ≤187HB;≤90HRB;≤26HRC;≤200HV
● Through hole without thread
● Tolerance: ±0.1mm
● Ball Size x Hole Diameter:
11mm x 3mm, 11mm x 4mm 
12mm x 3mm, 12mm x 4mm, 12mm x 5mm, 12mm x 6mm 
12.7mm x 3mm 14mm x 3mm, 14mm x 4mm, 14mm x 5mm 
15mm x 3mm, 15mm x 4mm, 15mm x 5mm 
16mm x 3mm, 16mm x 4mm, 16mm x 5mm 
17mm x 3mm  18mm x 3mm, 18mm x 4mm, 18mm x 5mm 
19mm x 3mm 20mm x 3mm, 20mm x 4mm, 20mm x 5mm 
22mm x 3mm, 22mm x 5mm 24mm x 3mm, 24mm x 5mm 
25mm x 3mm, 25mm x 4mm, 25mm x 5mm 28mm x 4mm,
28mm x 5mm, 28mm x 6mm
  30mm x 4mm, 30mm x 5mm,
30mm x 6mm
  32mm x 5mm  35mm x 5mm  40mm x 5mm  
45mm x 5mm 50mm x 5mm  60mm x 5mm