6 In 1 90 Degree Three-edge Chamfering Knife Woodworking Milling Cutter Chamfering Machine Hole Opener

Description:
1. Material: high speed steel 4241
2. Weight: titanium-plated plastic bag: approx. 136G; white diamond plastic bag: approx. 134G; titanium-plated box: 2. About 445G; white diamond box: approx. 445G
3. Applicable: suitable for workpieces with hardness below 25HRC, such as carbon steel, thin iron plate, insulation board, PVC board, wood board, etc.
3. Note: the operating room needs to cool the chamfering device while operating (can be filled with water, add cutting oil, blow compressed air), otherwise it will easily burn the drill bit when it reaches a certain temperature.
4. This chamfering device needs to be operated on the bench drill. It is easy to shake on the hand drill and affect the chamfering effect.
5. Packing: contains 20.5 mm × 1, 16.5 mm 1, 12.4 mm × 1, 10.4 mm × 1, 8.3 mm 1, 6.3 mm × 1, optional OPP bag and iron box packaging.