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;
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BT Retention Knob Pull Stud