~Specifications
Pull stud
1.Material: 20 CrMnTi,
2.BT,DIN69872A/B,ISO,CAT,JIS
3.Degree:30/45/60/90
4.pull studs and coolant hole
5.Head hardness HRC54-57, carburizing process.
6.Threaded portion: HRC30-40;

~Advantages
1.Process for subzero treatment and thermal aging treatment, improves the precision and stability of size;
2.Tensile test every batch: 30 pull stud can be up to 12 tons, 40 pull stud can be up to 15 tons, 50 pull stud up to 20 tons;
3.Surface coating processing, improve the surface hardness, wear resistance, improve the cleanliness,anti-rust, anti-corrosion effect is better, feel more comfortable, more beautiful appearance.
Product
Main product:  ERcollet,SKcollet,EOCcollet,straight collet,BT/SK/CAT/HSK/R8/MT collet chuck, Tool holder sleeve,
Drill chuck arbors, Indexable CNC tool,Boring head,Pull stud,Spanner,Nut and so on.
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