Chày cối tạo hình
COUNTERSINK BURRING
COUNTERSINK BURRING
COUNTERSINK BURRING
FORMING UP
FORMING UP
COUNTERSINK BURRING
USAGE
Forming process for making tube of threading for screw, and at the same time make a chamfer in the entrance part.
Used for threading for screw. Used to guide at the time of tapping.
NOTE
- 1)Please indicate the dimension of A, B and angle(C),
when you order. -
2) If the gap appear between chamfered plate and burring plates,
when joined by a countersunk screw, please use the countersink burring.