*To fit onto a lathe with M20 x 2.0mm headstock thread.
*To mount a scroll chuck (or face plate) with M33 x 3.5mm thread.
*Includes 2 x 8mm diameter holes to aid tightening or removal with a knock out bar.
1) Overall Length: 32mm
2) External Thread Size (Chuck): M33 x 3.5
3) External Thread Length: 22mm
4) Internal Thread Size (Lathe): M20 x 2.0mm
5) Internal thread Length: 25mm
6) Register: 7mm
7) Minimum Headstock Thread Length: 30mm
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