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2025 hot sale thread rolling machine for M20 bolt screw thread roller
- CY20Z
- Thread rolling machine
- Diameter Range (mm) 14-20
- Bolt length (mm) 200
- Thread length (mm) 150
- Moving Dies Stationary Length 290/330/50
- Power (KW) 30
- Max.output (pcs/min) 40-50
- Approx weight (KG) 14000
- Machine size (mm) 2200*4700*2200
The thread rolling machine adopts two thread profile thread rolling plate staggered 1/2 screw distance design, One plate is fixed, movable plate is on the fixed plate do straight line motion back and forth, when the work piece feed between two plates, movable plate move forward twist work piece, make its surface plastic deformation into thread. To roll thread on blank shank of bolt after being cold-headed.
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