8pcs D40/t With Coolant Hole M16 Pull Stud

We are a unique name in the industry as a leading Manufacturer, Exporter and Supplier of 8PCS D40/T With Coolant Hole M16 Pull Stud in Luoyang, Henan, China.
BrandSFX
StandardDIN69872
Retention KnobD40/T
Material20CrMnTi
HardnessHardness of Head 53-57

Product Features
1. Each pull stud is tested thoroughly which ensures the quality of the pull stud
2. Made from fine alloy steel 20CrMnTi with treatment to HRC 53-57
3. Hard outside and soft inside, with higher wear resistance and better toughness
4. High quality black oxide ensures long pull stud life and a non-rusting surface
5. Precision turning on all critical surface
6. Large selection for specific machine models, custom design accepted

Technology:
High quality low carbon alloy steel processing thread after carburizing and quenching;
The holder with high hardness (Resistance to wear and long service life);
The thread with slightly low hardness (contributing to protecting the thread of tool holder);
The core with the lowest hardness (resistance to shock), accurate dimensions and applicable for high-end tool holder.