Product description:
--The wood drill bit is made of HSS 4241, the middle chamfer drill body is NO. 45 steel single flute edge chamfer 90 degree
--2*3mm/ 4mm/ 5mm/ 6mm/ 7mm/ 8mm/ 10mm. which perfectly meet your different needs.
--The drilling length can be adjusted for different screw lengths by simply loosening and tightening the grub screws.
--Chamfer is 5 flutes that can discharge the wood faster in the process of use, single hole drilled smooth, screw cap perfectly embedded in the surface of the workpiece.
--Use for steel, aluminium and other metals, wood (hardness less than 25 degrees) and plastic, ideal for production, maintenance or portable drilling.
Features:
1. Material: HSS drill; black chamfer drill material: steel.
2. Specially designed steel counter sleeve countersinks or countersunk holes guide hole.
3. Adjustable counter sleeve depth with key.
4. Drilling and countersinking for wood screws without changing
5. The drilling length can be adjusted for different screw lengths, simply by loosening and tightening the set screw.
6. It is suitable for drills with drill chuck, for drilling on hardwood or wooden floor.
7. Heat treated and tempered low carbon steel.
8. Increase or lower holes, deburring edges; 15 degree chamfer
Dimensions:
3 mm (diameter) x 60 mm (L).
4 mm (diameter) x 75 mm (L).
5 mm (diameter) x 85 mm (L).
6 mm (diameter) x 95 mm (L).
7 mm (diameter) x 105 mm (L).
8 mm (diameter) x 115 mm (L).
10 mm (diameter) x 120 mm (L).
Package includes:
7 x woodworking chamfers.
1 x L-key.
Note:
1. Please allow errors due to manual measurement.
2. The object colour shown in the photos may look slightly different on your computer monitor as monitors are not calibrated the same