high speed steel bobbins
Negotiable /Piece
Min.Order:10 Pieces
Kunshan City Hongtai Machinery & Electric Equipment Co., Ltd.
1. Circle welding with no insufficient solder, slag, air vent, etc. defects.
2. Thermal refining T235.
3. Undeclared chamfer 2*45°.
4. Zinc-plated.
5. Dynamic balance grade G2.5.
6. material: 45# steel