This is a step structure hole drill tool, a bit can open a variety of specifications and sizes of apertures, a step drill to a box of bits.
Features:
Step structure, a bit can open a variety of specifications and sizes of apertures, a step drill to a box of bits.
It does not need to use central punch and is not easy to break compared with ordinary twist drills. In site construction, one step drill is suitable for various specifications.
Deburring, chamfering, round hole reaming, can complete the function that twist drill can not complete.
Comparing with ordinary twist drill. Small shaking, no need to lead the use of center punch can also open a beautiful aperture out.
Specifications:
Drilling range: 3-13.0mm, 5-16.0mm (optional)
Material: steel
Package size: 150 * 100 * 50mm / 5.9 * 3.9 * 2.0in
Package weight:
3-13.0mm: 92g / 3.2ounce
5-16.0mm: 105g / 3.7ounce
Package list:
1 * Hole Drill Tool