1. Unique ladder structure, a drill can open a variety of sizes, size, a ladder drilling a box of drill bit.
2. It is not necessary to use the center punch, which is not easy to break compared with ordinary twist drills. On-site construction, a ladder drill a variety of specifications apply.
3. It is possible to deburr, chamfer, open elliptical holes, and twist drills that cannot be completed.
4, compared with ordinary twist drill. With small shaking, you can create a beautiful aperture without using the center punch.
5, the use of tools: pistol drill, bench drill. The side water cooling while working can effectively extend the service life of the drill.
Specification:
Brand new
Material: High-speed steel 4241
Surface Treatment: titanium plating
Shank Diameter: approx. 6.35mm (hexagon shank)
Color: as picture shows
Length of each blade * total length of blade:
4-12mm: 7*42mm
4-20mm: 4.5*52mm
4-32mm: 4*78mm
Quantity: 1pcs
4-12mm: 4, 6, 8, 10, 12mm
4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20mm
4-32mm: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm
(Suitable for workpieces with hardness below 25°, such as aluminum plate, PV plate, insulation board thickness is less than 2mm，thick plastic is less than 5mm)
Package included:
1pcs 4-12mm/ 4-20m/ 4-32mm step drill bit
Note:
Please allow 1-5mm errors due to manual measurement
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
1. Unique ladder structure, a drill can open a variety of sizes, size, a ladder drilling a box of drill bit.
2. It is not necessary to use the center punch, which is not easy to break compared with ordinary twist drills. On-site construction, a ladder drill a variety of specifications apply.
3. It is possible to deburr, chamfer, open elliptical holes, and twist drills that cannot be completed.
4, compared with ordinary twist drill. With small shaking, you can create a beautiful aperture without using the center punch.
5, the use of tools: pistol drill, bench drill. The side water cooling while working can effectively extend the service life of the drill.
Specification:
Brand new
Material: High-speed steel 4241
Surface Treatment: titanium plating
Shank Diameter: approx. 6.35mm (hexagon shank)
Color: as picture shows
Length of each blade * total length of blade:
4-12mm: 7*42mm
4-20mm: 4.5*52mm
4-32mm: 4*78mm
Quantity: 1pcs
4-12mm: 4, 6, 8, 10, 12mm
4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20mm
4-32mm: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm
(Suitable for workpieces with hardness below 25°, such as aluminum plate, PV plate, insulation board thickness is less than 2mm，thick plastic is less than 5mm)
Package included:
1pcs 4-12mm/ 4-20m/ 4-32mm step drill bit
Note:
Please allow 1-5mm errors due to manual measurement
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
