Carbon Steel Mild Steel Solid Ball Spheres Catapult Slingshot Ammo Ø 1mm to 20mm

Description

Mild Steel Solid Ball Carbon Steel Ball Bearings Catapult Slingshot Ammo Pellets Hobby Model Craft Art Spheres
Ø 1 mm to Ø 20 mm
High-quality raw materials, safe and durable. Solid, hardness HRC≤28, good process performance, easy processing, drilling, tapping, slotting, welding, etc. The diameter tolerance is about ±0.03mm.
Excellent workmanship, finely polished and polished surface. Round and smooth without burrs.
Suitable for industrial processing, drilling, welding crafts, castings, product counterweights, teaching experiments, auto parts, bearings and other fields.
The c
arbon
steel ball is not rust-proof. Please pay attention to maintenance and sealed storage during normal use.
● Standard: GB
● Material:
Carbon Steel （Mild Steel ）( Q235D )
● Hardness: ≤28HRC
● Tolerance: ±0.03mm
● Size：
1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.175 mm, 3.5 mm, 3.969 mm, 4 mm, 4.5 mm, 4.763 mm, 4.8 mm, 5 mm, 5.5 mm, 5.556 mm, 5.9 mm, 5.953 mm, 6 mm, 6.35 mm, 6.5 mm, 6.6 mm, 6.747 mm, 6.8 mm, 7 mm, 7.144 mm, 7.5 mm, 7.938 mm, 8 mm, 8.1 mm, 8.5 mm, 8.731 mm, 9 mm, 9.5 mm, 9.525 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm