The drill bit is mainly designed for woodworking row drilling rigs. The rotation direction of the drill bit is divided into (left-handed (L), right-handed (R)). The drill bit can drill and mill standard and smooth inner holes for various synthetic boards and solid wood. It is mainly used for furniture manufacturers such as suites, custom wardrobes, TV cabinets, cabinets, computer desks, etc. It is often used in row drilling rigs, bench drilling machines, hinge machines, and some machining center machines and equipment.
Definition of row drill
Definition of row drill: row drill is a special drill bit used for row drilling rigs. It is divided into left and right directions. The difference between row drill and other drill bits is the handle. There is a side plane on the handle. This side plane is used to be fixed by screws.
Drill bit composition
The main components are shank and blade, and the blade is further divided into spiral cutter body + alloy head. The function of the shank is mounted on the collet, and the blade is the cutting part, which can effectively work.
What is the difference between domestic and imported?
1. Alloy blade
How to recognize left and right turn?
1. In terms of color
2. Viewed from the pin slot
The difference between through hole drilling and blind hole drilling
Through hole drilling: literally, perforating the hole, its advantage is that the top is sharp, and it will not burst the edge compared with blind holes
Through hole drill
Blind hole drilling: There is no need to drill through the plate, relatively speaking, the requirements for the drill bit are not so high
Blind hole drill
The function of the twist drill and the four-edged drill is the same, but the name is different. In all our four-edged drills, the four-edged drill is called the twisted drill. Mainly used for row drilling, bench drilling. The smallest of the two is 15. The maximum size of the four-blade drill is 100
The core of the door in the sand-pull drill can be twitched, and the center of the step drill is fixed
The core of the sand-pull drill is high-speed steel, and the edge of the step drill is alloy.
The total length of the sand-pull drill is 100, and the total length of the step drill is 80 or 70
Lengthened drill: The drill bit is generally 70MM or 100MM. The lengthening is literally understood, that is, the lengthened row drill. There are 80, 90, 100, 120 long.